332354 + Interview Questions in Secondary School in Math

1.	If a-1/a=3,then find the value of a2-3a+1/a2-3/a
Answer» Step-by-step EXPLANATION: I HOPE that above PROCEDURE HELPS U

1.

If a-1/a=3,then find the value of a2-3a+1/a2-3/a

Answer»

Step-by-step EXPLANATION:

I HOPE that above PROCEDURE HELPS U

Discussion

2.	Circle the odd one3I g/cm² , Kg/m3g/m3
Answer» Answer: 1g/cm^2 follow me EVERY ONE

2.

Circle the odd one3I g/cm² , Kg/m3g/m3

Answer»

Answer:

1g/cm^2

follow me EVERY ONE

Discussion

3.	Maths homework:1. Which of the following is correct? I. Cube of a negative number is always positive. II. Cube of a negative number is always negative. III. Cube of a negative number may be positive or negative. IV. All of the above2. If the digit in one’s place of a number is 2, then the last digit of its cube will be: I. 2 II. 4 III. 6 IV. 83. If the digit in one’s place of a number is 3, then the last digit of its cube will be: I. 3 II. 6 III. 7 IV. 94. If the digit in one’s place of a number is 6, then the last digit of its cube will be: I. 6 II. 3 III. 2 IV. 85. The volume of a cubical box is 64 cm3. Which of the following is its side? I. 2 cm II. 4 cm III. 6 cm IV. 8 cm6. Which of the following is a perfect cube? I. 10000 II. 243 III. 343 IV. 2700007. If a number is doubled then which of the following is a correct statement? I. Its cube is two times the cube of the given number. II. Its cube is three times the cube of the given number. III. Its cube is six times the cube of the given number. IV. Its cube is eight times the cube of the given number.8. Which of the following is equal to its own cube? I. -1 II. -2 III. -3 IV. -99. Which of the following is the cube root of 27000? I. 30 II. 300 III. 3000 IV. None of these10. Which of the following is the cube root of -64/243? I. 7/4 II. -7/4 III. 4/7 IV. -4/7
Answer» ANSWER: Step-by-step EXPLANATION: Third one is CORRECT . 8 will be the digit 7 will be the digit 6 will be the digit 4 will be it's side as 4×4×4=64 343 is the correct cube of 7 First one is correct -9 is EQUAL to it's own cube 30 will be it's cube root as 30×30×30=27000 -4/7 is the cube root of -64/243. I hope it will help you. Please mark me as brainlist.

3.

Maths homework:1. Which of the following is correct? I. Cube of a negative number is always positive. II. Cube of a negative number is always negative. III. Cube of a negative number may be positive or negative. IV. All of the above2. If the digit in one’s place of a number is 2, then the last digit of its cube will be: I. 2 II. 4 III. 6 IV. 83. If the digit in one’s place of a number is 3, then the last digit of its cube will be: I. 3 II. 6 III. 7 IV. 94. If the digit in one’s place of a number is 6, then the last digit of its cube will be: I. 6 II. 3 III. 2 IV. 85. The volume of a cubical box is 64 cm3. Which of the following is its side? I. 2 cm II. 4 cm III. 6 cm IV. 8 cm6. Which of the following is a perfect cube? I. 10000 II. 243 III. 343 IV. 2700007. If a number is doubled then which of the following is a correct statement? I. Its cube is two times the cube of the given number. II. Its cube is three times the cube of the given number. III. Its cube is six times the cube of the given number. IV. Its cube is eight times the cube of the given number.8. Which of the following is equal to its own cube? I. -1 II. -2 III. -3 IV. -99. Which of the following is the cube root of 27000? I. 30 II. 300 III. 3000 IV. None of these10. Which of the following is the cube root of -64/243? I. 7/4 II. -7/4 III. 4/7 IV. -4/7

Answer»

ANSWER:

Step-by-step EXPLANATION:

Third one is CORRECT .

8 will be the digit

7 will be the digit

6 will be the digit

4 will be it's side as 4×4×4=64

343 is the correct cube of 7

First one is correct

-9 is EQUAL to it's own cube

30 will be it's cube root as 30×30×30=27000

-4/7 is the cube root of -64/243.

I hope it will help you.

Please mark me as brainlist.

Discussion

4.	30+30/15+8 solve using BODMAS rule
Answer» Answer: 30+(30/15)+8 =30+2+8=40 (PLEASE MARK BRAINLIEST FRIEND)

4.

30+30/15+8 solve using BODMAS rule

Answer»

Answer:

30+(30/15)+8

=30+2+8=40

(PLEASE MARK BRAINLIEST FRIEND)

Discussion

5.	Check which of the following point is the solutiA(0,2)C140)x3 4x7** x3 is which type of equation?A Lineara cubicc. Quadrasolve the following questions
Answer» ANSWER: the answer is CUBIC *MARK* *as BRAINLIST*

5.

Check which of the following point is the solutiA(0,2)C140)x3 4x*7*** x3 is which type of equation?A Lineara cubicc. Quadrasolve the following questions

Answer»

ANSWER:

the answer is CUBIC

MARK as BRAINLIST

Discussion

6.	625(-25)+(-625)75 step by step process using suitable property
Answer» ANSWER: - 62500 Step-by-step EXPLANATION: [625 * (-25)] +[(-625) * 75] ... The product of a positive and NEGATIVE number is a negative number = [- 625 * 25] + [-625 * 75] = - 15625 - 46875 = - 62500

6.

625(-25)+(-625)75 step by step process using suitable property

Answer»

ANSWER:

- 62500

Step-by-step EXPLANATION:

[625 * (-25)] +[(-625) * 75] ... The product of a positive and NEGATIVE number is a negative number

= [- 625 * 25] + [-625 * 75]

= - 15625 - 46875

= - 62500

Discussion

7.	A train is 100 m long pool cross bin 42 km per hr speed of train is 18 sec cross it . what is the length of train
Answer» Answer: answer will be 100m OK friend by NEWTON's THIRD LAW of eqn

7.

A train is 100 m long pool cross bin 42 km per hr speed of train is 18 sec cross it . what is the length of train

Answer»

Answer:

answer will be 100m OK friend by NEWTON's THIRD LAW of eqn

Discussion

8.	Answer this (-67) ÷ _____ = 67
Answer» ANSWER:- -1 Explanation:- (-67) ÷ -1 = 67

8.

Answer this (-67) ÷ _____ = 67

Answer»

ANSWER:-

-1

Explanation:-

(-67) ÷ -1 = 67

Discussion

9.	12. Find the mode class for the following distribution.Class Interval 0-1010 - 2020 - 3030-4040-50Frequency6101287
Answer» ANSWER: Step-by-step EXPLANATION:

9.

12. Find the mode class for the following distribution.Class Interval 0-1010 - 2020 - 3030-4040-50Frequency6101287

Answer»

ANSWER:

Step-by-step EXPLANATION:

Discussion

10.	The volume of a cubical box is 64 cm3. Which of the following is its side?I. 2 cmII. 4 cmIII. 6 cmIV. 8 cm
Answer» Answer: Volume of CUBE of SIDE (L) = L³ ∴ 64 Cm³ = L³ ∴ L = 4 cm HOPE THIS HELPS YOU.......... PLZ MARK AS BRAINLEST....

10.

The volume of a cubical box is 64 cm3. Which of the following is its side?I. 2 cmII. 4 cmIII. 6 cmIV. 8 cm

Answer»

Answer:

Volume of CUBE of SIDE (L) = L³

∴ 64 Cm³ = L³

∴ L = 4 cm

HOPE THIS HELPS YOU..........

PLZ MARK AS BRAINLEST....

Discussion

11.	A rectangular room 5.6m × 4.8m is to be carpeted with a carpet 80 cm wide. Find the length of the carpet required.
Answer»

Discussion

12.	Which of of the the following will not represent zero 0 multiply 0
Answer» Answer: PLEASE SEND FULL question Mark my answer BRAINIEST

12.

Which of of the the following will not represent zero 0 multiply 0

Answer»

Answer:

PLEASE SEND FULL question

Mark my answer BRAINIEST

Discussion

13.	Write the smallest and greatest five digits number . using the digits is not allowed
Answer» Answer: DIGITAL are going but the ALSO smallest DIGIT is 10000 and greatest digit is 99999

13.

Write the smallest and greatest five digits number . using the digits is not allowed

Answer»

Answer:

DIGITAL are going but the ALSO smallest DIGIT is 10000 and greatest digit is 99999

Discussion

14.	Find a if (x-a) is a factor of x^5-a^2*x^3+3x+a-4
Answer» HOPE IT WILL HELP YOU. SOLUTION IS IN THE PICTURE.

14.

Find a if (x-a) is a factor of x^5-a^2*x^3+3x+a-4

Answer»

HOPE IT WILL HELP YOU. SOLUTION IS IN THE PICTURE.

Discussion

15.	find the quadric polynomial whose one of the zeros is root 3upon 4and product of the zeros is -1upon 2
Answer» hope it HELPS you... THANKS

15.

find the quadric polynomial whose one of the zeros is root 3upon 4and product of the zeros is -1upon 2

Answer»

hope it HELPS you... THANKS

Discussion

16.	Answer for 1 - root 2 squared
Answer» ANSWER: -1 is the answer HOPE it HELPS

16.

Answer for 1 - root 2 squared

Answer»

ANSWER:

-1 is the answer HOPE it HELPS

Discussion

17.	Find the value of tan inverse 2 Sin 2 Cos inverse root 3 by 2
Answer» ANSWER: here is your answer Step-by-step EXPLANATION: I HOPE IT HELPS YOU

17.

Find the value of tan inverse 2 Sin 2 Cos inverse root 3 by 2

Answer»

ANSWER:

here is your answer

Step-by-step EXPLANATION:

I HOPE IT HELPS YOU

Discussion

18.	Factorise: (2a+3b) cube -(2a-3b)cube
Answer» Step-by-step EXPLANATION: I HOPE that above PROCEDURE HELPS U

18.

Factorise: (2a+3b) cube -(2a-3b)cube

Answer»

Step-by-step EXPLANATION:

I HOPE that above PROCEDURE HELPS U

Discussion

19.	If R &T are two finite sets and that n(R)=40, n (T)=48 and n (R U T) =56,find the n (R n T).
Answer» N(R U T) = n(R) + n( T) - n( R n T) => 56 = 40 + 48 - n(R n T) => n(R n T) = 88-56 = 32

19.

If R &T are two finite sets and that n(R)=40, n (T)=48 and n (R U T) =56,find the n (R n T).

Answer»

N(R U T) = n(R) + n( T) - n( R n T)

=> 56 = 40 + 48 - n(R n T)

=> n(R n T) = 88-56 = 32

Discussion

20.	Peter had 80 kg of rice. He sell 3/5 of rice
Answer» ANSWER: so , then he is LEFT with 48 KG of RICE!!

20.

Peter had 80 kg of rice. He sell 3/5 of rice

Answer»

ANSWER:

so , then he is LEFT with 48 KG of RICE!!

Discussion

21.	The product (-9)×(-5)×(-6)×(-3) is a positive, where as the product (-9)×(-5)×6×(-3) is negative why
Answer» Answer: In integers, we have learnt that the MULTIPLICATION of two negative numbers becomes positive because the negative sign negates each other. So, in the equation (-9) x (-5) x (-6) x (-3) the signs in (-9 x -5) are CANCELLED and become positive, while the signs in (-6 x -3) gets cancelled out and also become positive. Here, (positive number) x (positive number) = (posititve number) So, in the NEXT equation, we can see that the part (6 x (-3)] is negative because the signs are unlike. Please MARK this answer as Brainliest....I already have 4 Brainliest answers

21.

The product (-9)×(-5)×(-6)×(-3) is a positive, where as the product (-9)×(-5)×6×(-3) is negative why

Answer»

Answer:

In integers, we have learnt that the MULTIPLICATION of two negative numbers becomes positive because the negative sign negates each other. So, in the equation (-9) x (-5) x (-6) x (-3) the signs in (-9 x -5) are CANCELLED and become positive, while the signs in (-6 x -3) gets cancelled out and also become positive. Here, (positive number) x (positive number) = (posititve number)

So, in the NEXT equation, we can see that the part (6 x (-3)] is negative because the signs are unlike.

Please MARK this answer as Brainliest....I already have 4 Brainliest answers

Discussion

22.	If the perimeter of a square field is 244 m, find the area of the square.
Answer» Step-by-step explanation: PARAMETER of square =4 multiply side perimeter of square=4 multiply 244m perimeter of square=976m area of square=side X side area of square=244 x244m area of square=59536m

22.

If the perimeter of a square field is 244 m, find the area of the square.

Answer»

Step-by-step explanation:

PARAMETER of square =4 multiply side

perimeter of square=4 multiply 244m

perimeter of square=976m

area of square=side X side

area of square=244 x244m

area of square=59536m

Discussion

23.	The length of a room is three and half times it's width if the perimeter of the floor of the room is 90m find the length and width of the room
Answer» Answer: Step-by-step EXPLANATION: Let length be l and width be b So according to CONDITION: L=3/2*b Because perimeter=90m 2(l+b)=90 L+b=45 3/2b+b=45 5b/2=45 B=18m So l=27 Mark as BRAINLIEST if it deserves

23.

The length of a room is three and half times it's width if the perimeter of the floor of the room is 90m find the length and width of the room

Answer»

Answer:

Step-by-step EXPLANATION:

Let length be l and width be b

So according to CONDITION:

L=3/2*b

Because perimeter=90m

2(l+b)=90

L+b=45

3/2b+b=45

5b/2=45

B=18m

So l=27

Mark as BRAINLIEST if it deserves

Discussion

24.	3. The ratio between the curved surface area and the total surface area of a rightcircular cylinder is 1:2. Find the volume of the cylinder, if its total surface area is616 cm
Answer» Answer: answer is in the ATTACHMENT.. please mark it as BRAINLIEST ❤️❤️ and FOLLOW me..

24.

3. The ratio between the curved surface area and the total surface area of a rightcircular cylinder is 1:2. Find the volume of the cylinder, if its total surface area is616 cm

Answer»

Answer:

answer is in the ATTACHMENT..

please mark it as BRAINLIEST ❤️❤️ and FOLLOW me..

Discussion

25.	3 by 4 plus minus 5 by 6 + 7 by 8 is equal to 3 by 4 plus minus 5 by 6 + 7 by 8
Answer» ANSWER: Answer is 1 plz FOLLOW me

25.

3 by 4 plus minus 5 by 6 + 7 by 8 is equal to 3 by 4 plus minus 5 by 6 + 7 by 8

Answer»

ANSWER:

Answer is 1

plz FOLLOW me

Discussion

26.	Find three solutions of the equation 3x+2y=6
Answer» Answer: This is your answer. mark as BRAINLIST answer. Step-by-step EXPLANATION: HOPE this will HELP your .

26.

Find three solutions of the equation 3x+2y=6

Answer»

Answer:

This is your answer.

mark as BRAINLIST answer.

Step-by-step EXPLANATION:

HOPE this will HELP your .

Discussion

27.	Find the least whole number by which 8450 be divided to make it a perfect square .Find also the square root of the resulting number
Answer» ANSWER: It should be divided by 2 to make it a PERFECT SQUARE. The resultant number would be 4225, and it's square ROOT is 65. 65*65=4225.

27.

Find the least whole number by which 8450 be divided to make it a perfect square .Find also the square root of the resulting number

Answer»

ANSWER:

It should be divided by 2 to make it a PERFECT SQUARE.

The resultant number would be 4225, and it's square ROOT is 65.

65*65=4225.

Discussion

28.	34/15+47/10+13/5 Simplify this question
Answer» Answer: 287/30 Step-by-step EXPLANATION: LCM =30 _68/30+141/30+78/30 (68+141+78)/30 287/30

28.

34/15+47/10+13/5 Simplify this question

Answer»

Answer:

287/30

Step-by-step EXPLANATION:

LCM =30

_68/30+141/30+78/30

(68+141+78)/30

287/30

Discussion

29.	Find thevalueof(x)=2x square + 7 x +3 at x=-2
Answer» ANSWER: here is your answer Step-by-step EXPLANATION: I HOPE IT HELPS YOU

29.

Find thevalueof(x)=2x square + 7 x +3 at x=-2

Answer»

ANSWER:

here is your answer

Step-by-step EXPLANATION:

I HOPE IT HELPS YOU

Discussion

30.	Selveomhaarethenumbers7,-15- is
Answer» ANSWER: What what what??????!!!!!!!!!?.??

30.

Selveomhaarethenumbers7,-15- is

Answer»

ANSWER:

What what what??????!!!!!!!!!?.??

Discussion

31.	if a triangle abc is an isoscles triangle where ab=bc and de parallel bc so if ad=1.8cm and ce=5.2cm
Answer» ANSWER: HIII....WT we need to find in THOS QUESTION

31.

if a triangle abc is an isoscles triangle where ab=bc and de parallel bc so if ad=1.8cm and ce=5.2cm

Answer»

ANSWER:

HIII....WT we need to find in THOS QUESTION

Discussion

32.	Find the cube root of 7 correct to three decimal place
Answer» Answer: 2.645 please FOLLOW me and MARK as BRAINLIEST

32.

Find the cube root of 7 correct to three decimal place

Answer»

Answer:

2.645

please FOLLOW me and MARK as BRAINLIEST

Discussion

33.	Kindly solve this14 ) __ ÷ 6 = - 3
Answer» ANSWER: $- 18 \div 6 = - 3$ PLEASE MARK it as a BRAINLIST answer please

33.

Kindly solve this14 ) __ ÷ 6 = - 3

Answer»

ANSWER:

$- 18 \div 6 = - 3$

PLEASE MARK it as a BRAINLIST answer please

Discussion

34.	. Don't give irrelevant answer otherwise he /she will be reported...
Answer» Answer: Let the bigger no. be X and smaller no. be y. ✅ According to the first condition x - y = 7..............a According to the second condition x + 6y = 77 ............b Now, Subtracting the equation a from b. ➡️ x + 6y = 77 - ( x - y = 7) 7y = 70 y = 70/7 y = 10✅.............c substituting c in a x - 10 = 7 x = 7 + 10 x = 17✅ The two number,10 and 17 ✅

34.

. Don't give irrelevant answer otherwise he /she will be reported...

Answer»

Answer:

Let the bigger no. be X and smaller no. be y. ✅

According to the first

condition

x - y = 7..............a

According to the second condition

x + 6y = 77 ............b

Now, Subtracting the equation a from b.

➡️ x + 6y = 77

- ( x - y = 7)

7y = 70

y = 70/7

y = 10✅.............c

substituting c in a

x - 10 = 7

x = 7 + 10

x = 17✅

The two number,10 and 17 ✅

Discussion

35.	-12/57/-36=7/-36-12/5verify
Answer» ANSWER: answer of this QUESTION is 7/15=7/15 Step-by-step EXPLANATION: -12/5×7/-36=7/-36×-12/5 7/5×3=7/3×5 therefore,7/15=7/15

35.

-12/57/-36=7/-36-12/5verify

Answer»

ANSWER:

answer of this QUESTION is 7/15=7/15

Step-by-step EXPLANATION:

-12/5×7/-36=7/-36×-12/5

7/5×3=7/3×5

therefore,7/15=7/15

Discussion

36.	If the digit in one’s place of a number is 3, then the last digit of its cube will be:I. 3II. 6III. 7IV. 9
Answer» 7 Hope it will HELP U and PLZ MARK me as BRAINLIEST...

36.

If the digit in one’s place of a number is 3, then the last digit of its cube will be:I. 3II. 6III. 7IV. 9

Answer»

7

Hope it will HELP U and PLZ MARK me as BRAINLIEST...

Discussion

37.	Can any brainy help me with this question ,i will mark as brainleast. NO SPAM PLZZFind the area of the blades of the magnetic compass shown in Fig. 17.27. (Take11 = 3.32).5 cm1 cmFig. 17.27
Answer» ANSWER: 4.98m2 Step-by-step explanation: HOPE this HELPS!!! Mark it as a BRAINLIEST answer......

37.

Can any brainy help me with this question ,i will mark as brainleast. NO SPAM PLZZFind the area of the blades of the magnetic compass shown in Fig. 17.27. (Take11 = 3.32).5 cm1 cmFig. 17.27

Answer»

ANSWER: 4.98m2

Step-by-step explanation:

HOPE this HELPS!!!

Mark it as a BRAINLIEST answer......

Discussion

38.	If the unit digit of 433×456×43N is (N+2), then what id the value of N?
Answer» ANSWER: I don't KNOW Step-by-step EXPLANATION: I don't know

38.

If the unit digit of 433×456×43N is (N+2), then what id the value of N?

Answer»

ANSWER:

I don't KNOW

Step-by-step EXPLANATION:

I don't know

Discussion

39.	Don't give wrong answer otherwise it will be reported
Answer» ANSWER: HEY MATE! ANSWER IS IN THE IMAGE ATTACHED BY ME!! $\huge\bold\red{Please Mark Brainliest. Follow Me On Tiktok. id:- @jigyasa 0310}$ $\huge\bold\red{Please Mark Brainliest. Follow Me On Tiktok. id:- @jigyasa 0310}$ $\huge\bold\red{Please Mark Brainliest. Follow Me On Tiktok. id:- @jigyasa 0310}$ $\huge\bold\red{Please Mark Brainliest. Follow Me On Tiktok. id:- @jigyasa 0310}$ $\huge\bold\red{Please Mark Brainliest. Follow Me On Tiktok. id:- @jigyasa 0310}$

39.

Don't give wrong answer otherwise it will be reported

Answer»

ANSWER:

HEY MATE! ANSWER IS IN THE IMAGE ATTACHED BY ME!!

$\huge\bold\red{Please Mark Brainliest. Follow Me On Tiktok. id:- @jigyasa 0310}$ $\huge\bold\red{Please Mark Brainliest. Follow Me On Tiktok. id:- @jigyasa 0310}$ $\huge\bold\red{Please Mark Brainliest. Follow Me On Tiktok. id:- @jigyasa 0310}$ $\huge\bold\red{Please Mark Brainliest. Follow Me On Tiktok. id:- @jigyasa 0310}$ $\huge\bold\red{Please Mark Brainliest. Follow Me On Tiktok. id:- @jigyasa 0310}$

Discussion

40.	. Don't give irrelevant answer other he / will be reported...
Answer» a-b = 7 => a = 7+b 6B + a = 77 => 6b + 7 + b = 77 => 7B = 70 => b = 10 The other number is 10.

40.

. Don't give irrelevant answer other he / will be reported...

Answer»

a-b = 7 => a = 7+b

6B + a = 77

=> 6b + 7 + b = 77

=> 7B = 70

=> b = 10

The other number is 10.

Discussion

41.	Find the area of a triangle whosesides are 120cm,80cm,50cm
Answer» Answer: FOLLOW me my FRIENDS follow me u will GET more answers like this

41.

Find the area of a triangle whosesides are 120cm,80cm,50cm

Answer»

Answer:

FOLLOW me

my FRIENDS

follow me

u will GET more answers like this

Discussion

42.	13) (-67) ÷ _____ = 67
Answer» Answer: -13 IS THE CORRECT ANSWER. PLZ MARK ME AS BRAINLIEST ANSWER.

42.

13) (-67) ÷ _____ = 67

Answer»

Answer:

-13 IS THE CORRECT ANSWER. PLZ MARK ME AS BRAINLIEST ANSWER.

Discussion

43.	Calculate the HCF of 3²x5 and 3²x5²
Answer» $hcf = {3}^{2} \times 5$ $= 9 \times 5$ $= 45$ ${\mathbf{\red { \| } {\red {\overline {\underline {\gray { \:brainliest\:if\: it \:helps \:you\: }}}}}}}{\red{ \| }}$ ${\purple{\underline{\overline{\blue{\tt{hope\:it\:will\:help\:you}}}}}}$ ${\orange{\fbox{\underline{\gray{\mathfrak{stay \:blessed}}}}}}$ ${\red{\fbox{\underline{\green{\tt{be \:happy}}}}}}$ ${\red{\fbox{\gray{\fbox{\orange{\ddot{\smile}}}}}}}$

43.

Calculate the HCF of 3²x5 and 3²x5²

Answer»

$hcf = {3}^{2} \times 5$

$= 9 \times 5$

$= 45$

${\mathbf{\red { | } {\red {\overline {\underline {\gray { \:brainliest\:if\: it \:helps \:you\: }}}}}}}{\red{ | }}$

${\purple{\underline{\overline{\blue{\tt{hope\:it\:will\:help\:you}}}}}}$

${\orange{\fbox{\underline{\gray{\mathfrak{stay \:blessed}}}}}}$

${\red{\fbox{\underline{\green{\tt{be \:happy}}}}}}$

${\red{\fbox{\gray{\fbox{\orange{\ddot{\smile}}}}}}}$

Discussion

44.	what is matter give three example of things made up of matter. u answer it and I give you mark as brainlest.❤️
Answer» Step-by-step EXPLANATION: matter is something that has MASS and occupies space . example-air ,wood , water please mark as brainliest and FOLLOW

44.

what is matter give three example of things made up of matter. u answer it and I give you mark as brainlest.❤️

Answer»

Step-by-step EXPLANATION:

matter is something that has MASS and occupies space . example-air ,wood , water

please mark as brainliest and FOLLOW

Discussion

45.	The value of product6^1/2 x 6^1/4 ×6^1/8 ×6^1/16.....(a) 6(b) 36(C) 216 (d) 512(NOA - 2017)
Answer» ANSWER: Step-by-step explanation: 6 2 1 ×6 2 1 ×6 8 3 ×6 4 1 ×............... =6 2 1 + 4 2 + 8 3 + 16 4 +................... =6 2 1 (1+ 2 2 + 2 2 3 + 2 3 4 +......................) Let S=1+ 2 2 + 2 2 3 + 2 3 4 +............, then 2 S =S− 2 S or, 2 S =1+ 2 1 + 2 2 1 + 2 3 1 +........... or, 2 S = 1− 2 1 1 ..... [or, 2 S = 1− 2 1 1 ..... [USING sum of infinite TERMS of an G.P] or, S=4 Then we have, 6 2 1 ×6 2 1 ×6 8 3 ×6 4 1 ×............... =6 2 1 ×4 =6 2 =36

45.

The value of product6^1/2 x 6^1/4 ×6^1/8 ×6^1/16.....(a) 6(b) 36(C) 216 (d) 512(NOA - 2017)

Answer»

ANSWER:

Step-by-step explanation:

6

2

1

×6

2

1

×6

8

3

×6

4

1

×...............

=6

2

1

+

4

2

+

8

3

+

16

4

+...................

=6

2

1

(1+

2

+

2

3

+

2

3

4

+......................)

Let S=1+

2

+

2

3

+

2

3

4

+............, then

2

S

=S−

2

S

or,

2

S

=1+

2

1

+

2

1

+

2

3

1

+...........

or,

2

S

=

1−

2

1

..... [or,

2

S

=

1−

2

1

..... [USING sum of infinite TERMS of an G.P]

or, S=4

Then we have,

6

2

1

×6

2

1

×6

8

3

×6

4

1

×...............

=6

2

1

×4

=6

2

=36

Discussion

46.	S.I. on a sum of money is Rs. 750 for 2 years at 10% per annum. Find the C.I. on that sum for 2 years.
Answer» ANSWER: RS 150 Step-by-step EXPLANATION: SI unit=PRT by 100 principal=Rs 750 Rate =10% time=2 yr SI=750×10×2/100 =RS=150

46.

S.I. on a sum of money is Rs. 750 for 2 years at 10% per annum. Find the C.I. on that sum for 2 years.

Answer»

ANSWER:

RS 150

Step-by-step EXPLANATION:

SI unit=PRT by 100

principal=Rs 750

Rate =10%

time=2 yr

SI=750×10×2/100

=RS=150

Discussion

47.	In a random sample of 100 men taken from village A, 60 were found tobe consuming alcohol. in another sample of 200 men taken form village B,100was found to be consuming alcohol. Do the two villages differ significantly inrespect of the proportion of men who consume alcohol?
Answer» Answer: YES. there's a difference in 10% Step-by-step explanation: In VILLAGE A - 60/100 %=60% In village B - 100/200%=50%

47.

In a random sample of 100 men taken from village A, 60 were found tobe consuming alcohol. in another sample of 200 men taken form village B,100was found to be consuming alcohol. Do the two villages differ significantly inrespect of the proportion of men who consume alcohol?

Answer»

Answer:

YES. there's a difference in 10%

Step-by-step explanation:

In VILLAGE A - 60/100 %=60%

In village B - 100/200%=50%

Discussion

48.	Convert:a. 3hours 24 minutes into minutes.b. 1510 minutes into hours and minutes.c. 7 minutes 40 seconds into secondsd. 1020 seconds into minutes and seconds
Answer» ANSWER: 204 minutes 2. 24.17 hours sorry for not giving 2 answer Step-by-step EXPLANATION: Hope you LIKE my answer PLEASE mark my brainlist also follow me

48.

Convert:a. 3hours 24 minutes into minutes.b. 1510 minutes into hours and minutes.c. 7 minutes 40 seconds into secondsd. 1020 seconds into minutes and seconds

Answer»

ANSWER:

204 minutes

2. 24.17 hours

sorry for not giving 2 answer

Step-by-step EXPLANATION:

Hope you LIKE my answer PLEASE mark my brainlist also follow me

Discussion

49.	Prove it. A,B,C are non empty sets1)(A\B)X C=(A X C) \ (A x B)2) A X (B \ C ) = (A X B) ( A X C)
Answer» ANSWER: NAME the CHAPTER to KNOW answer

49.

Prove it. A,B,C are non empty sets1)(A\B)X C=(A X C) \ (A x B)2) A X (B \ C ) = (A X B) ( A X C)

Answer»

ANSWER:

NAME the CHAPTER to KNOW answer

Discussion

50.	Explain why 76543*2+5 is a composite no.
Answer» Answer: Step-by-step explanation: We KNOW that a number is called a COMPOSITE number if it has at least one factor other than 1 and the number itself. Here, 5045 is the product of 2 prime factors 5 and 1009 . Hence,7× 6 × 5 × 4 × 3 × 2 × 1+ 5 is a composite number. plz mark as brainliest

50.

Explain why 765*432+5 is a composite no.

Answer»

Answer:

Step-by-step explanation:

We KNOW that a number is called a COMPOSITE number if it has at least one factor other than 1 and the number itself. Here, 5045 is the product of 2 prime factors 5 and 1009 . Hence,7× 6 × 5 × 4 × 3 × 2 × 1+ 5 is a composite number.

plz mark as brainliest

Discussion

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