332354 + Interview Questions in Secondary School in Math

1.	Show that the vectors 2i-3j+4k and -4i+6j-8k are collinear
Answer» Answer: How to SHOW DEAR Step-by-step EXPLANATION: I didn't get the QUESTION of the answer

1.

Show that the vectors 2i-3j+4k and -4i+6j-8k are collinear

Answer»

Answer:

How to SHOW DEAR

Step-by-step EXPLANATION:

I didn't get the QUESTION of the answer

Discussion

2.	Prove that:1/cot A-tan A=sin A-cos A
Answer» ANSWER: I don't know COS theta SORRY BRE

2.

Prove that:1/cot A-tan A=sin A-cos A

Answer»

ANSWER:

I don't know COS theta SORRY BRE

Discussion

3.	X+y=y+x name the property used here
Answer» COMMUTATIVE PROPERTY

3.

X+y=y+x name the property used here

Answer»

COMMUTATIVE PROPERTY

Discussion

4.	The simple interest on a sum of money for 4years at 6%p.a is 1200 find the amount and the compound interest on the same sum of money at 8%p.a compound interest annualy after 3year
Answer» Answer: - Solved Examples - Q 1 - Adam borrowed some MONEY at the ... than the simple interest on the same sum for 31⁄2 years at 10% per annum. ... to another PERSON at 6 1⁄4% p.a. for 2 years find his GAIN in the transaction per year ... Q 8 - A sum of Rs. 12,500 amounts to Rs. 15,500 in 4 years at the rate of simple ... Step-by-step explanation:

4.

The simple interest on a sum of money for 4years at 6%p.a is 1200 find the amount and the compound interest on the same sum of money at 8%p.a compound interest annualy after 3year

Answer»

Answer:

- Solved Examples - Q 1 - Adam borrowed some MONEY at the ... than the simple interest on the same sum for 31⁄2 years at 10% per annum. ... to another PERSON at 6 1⁄4% p.a. for 2 years find his GAIN in the transaction per year ... Q 8 - A sum of Rs. 12,500 amounts to Rs. 15,500 in 4 years at the rate of simple ...

Step-by-step explanation:

Discussion

5.	If sn = 5n^2+3n, then find nth term
Answer» ANSWER: HEY mate here is your answer...... S1 = 5+3 = 8 S2 = 5(4)+6 = 26 T2 = S2-S1 = 26-8 = 18 T1 = 8 d = T2-T1 = 18-8 = 10 nth term = 8+(n-1)10 = 8+10n-10 = 10n-2 Hope it HELPS you....

5.

If sn = 5n^2+3n, then find nth term

Answer»

ANSWER:

HEY mate here is your answer......

S1 = 5+3 = 8

S2 = 5(4)+6 = 26

T2 = S2-S1 = 26-8 = 18

T1 = 8

d = T2-T1 = 18-8 = 10

nth term = 8+(n-1)10 = 8+10n-10 = 10n-2

Hope it HELPS you....

Discussion

6.	एक गणिती कूट..... उत्तर मेसेजावे कमेंटू नयेM, N, P, Q, R या पाच व्यक्ती असून,1. एक व्यक्ती टेनिस खेळणारी, एक बुद्धिबळ खेळणारी आणि एक बॅडमिंटन खेळणारी आहे.2. M आणि Q या दोघी अविवाहित स्त्रिया कोणताही खेळ खेळत नाहीत.3. दिलेल्या पाचात पती पत्नीची एक जोडी आहे. त्यापैकी R हा पती आहे.4. स्त्रियांपैकी कोणीही बुद्धिबळ किव्वा बॅडमिंटन खेळत नाही.5. N हा P चा भाऊ असून तो टेनिस किव्वा बुद्धिबळ खेळत नाही.तरa. बॅडमिंटन कोण खेळते?b. R ची पत्नी कोण?c. दिलेल्या पाचपैकी स्त्रिया कोण सांगा? उत्तराचा मेसेज करा. कमेंट नको.
Answer» Answer: BADMINTON do people khel rahe hai 2 please WRITE properly 3 dilaya pachat ki please make it BRAINLIEST please and like ALSO

6.

एक गणिती कूट..... उत्तर मेसेजावे कमेंटू नयेM, N, P, Q, R या पाच व्यक्ती असून,1. एक व्यक्ती टेनिस खेळणारी, एक बुद्धिबळ खेळणारी आणि एक बॅडमिंटन खेळणारी आहे.2. M आणि Q या दोघी अविवाहित स्त्रिया कोणताही खेळ खेळत नाहीत.3. दिलेल्या पाचात पती पत्नीची एक जोडी आहे. त्यापैकी R हा पती आहे.4. स्त्रियांपैकी कोणीही बुद्धिबळ किव्वा बॅडमिंटन खेळत नाही.5. N हा P चा भाऊ असून तो टेनिस किव्वा बुद्धिबळ खेळत नाही.तरa. बॅडमिंटन कोण खेळते?b. R ची पत्नी कोण?c. दिलेल्या पाचपैकी स्त्रिया कोण सांगा? उत्तराचा मेसेज करा. कमेंट नको.

Answer»

Answer:

BADMINTON do people khel rahe hai 2 please WRITE properly 3 dilaya pachat ki please make it BRAINLIEST please and like ALSO

Discussion

7.	Cicumference of a circle with radius of 10 1/2
Answer» What you WANT to KNOW WRITE FULL QUESTION.

7.

Cicumference of a circle with radius of 10 1/2

Answer»

What you WANT to KNOW

WRITE FULL QUESTION.

Discussion

8.	Find the square root of each of the following correct to two decimal places of 0.100
Answer» ANSWER: ☆10^-1/2 Step-by-step EXPLANATION: ☆0.100^1/2 ☆0.1^1/2 ☆1/10^1/2 ☆10^-1/2

8.

Find the square root of each of the following correct to two decimal places of 0.100

Answer»

ANSWER:

☆10^-1/2

Step-by-step EXPLANATION:

☆0.100^1/2

☆0.1^1/2

☆1/10^1/2

☆10^-1/2

Discussion

9.	Find the values of a- (-3)^2
Answer» ANSWER: A=9 Please MARK it as BRAINLIEST answer if you LIKE the answer and FOLLOW me ☺️

9.

Find the values of a- (-3)^2

Answer»

ANSWER:

A=9

Please MARK it as BRAINLIEST answer if you LIKE the answer and FOLLOW me ☺️

Discussion

10.	Général solution Of sec (x-30)
Answer» ANSWER: SEC =30 Step-by-step EXPLANATION:

10.

Général solution Of sec (x-30)

Answer»

ANSWER:

SEC =30

Step-by-step EXPLANATION:

Discussion

11.	Distributive property 1009 1392
Answer» Answer: 1 Step-by-step EXPLANATION: i THINK its HELP you THANK you

11.

Distributive property 1009 1392

Answer»

Answer:

1

Step-by-step EXPLANATION:

i THINK its HELP you

THANK you

Discussion

12.	Simplify and write the answer of addition of 3/4 and -5/8
Answer» 3/4+(-5/8) = ((3*2)-5)/8 = 1/8 Hope it HELPS you!!!

12.

Simplify and write the answer of addition of 3/4 and -5/8

Answer»

3/4+(-5/8) = ((3*2)-5)/8

= 1/8

Hope it HELPS you!!!

Discussion

13.	Find 3 rational number between 7/2 and -2
Answer» ANSWER: -3/2,-2/2,-1/2. This is the answer

13.

Find 3 rational number between 7/2 and -2

Answer»

ANSWER:

-3/2,-2/2,-1/2. This is the answer

Discussion

14.	A pond is 50 m long, 30 m wide and 2 m deep. Find the capacity of the pond in cubic meter.
Answer» Answer: Volume of pond = lbh l - 50 m, b - 30 m, h (DEEPNESS) - 2 m Volume of pond = 50 m × 30 m × 2 m = 3000 cubic meter

14.

A pond is 50 m long, 30 m wide and 2 m deep. Find the capacity of the pond in cubic meter.

Answer»

Answer:

Volume of pond = lbh

l - 50 m, b - 30 m, h (DEEPNESS) - 2 m

Volume of pond = 50 m × 30 m × 2 m

= 3000 cubic meter

Discussion

15.	In a pie chart the central angle sector is
Answer» ANGLE in the pie = FAVOURABLE OUTCOME* 360°/ TOTAL no. of outcome. plz mark as Brainliest... and FOLLOW me .....

15.

In a pie chart the central angle sector is

Answer»

ANGLE in the pie = FAVOURABLE OUTCOME* 360°/ TOTAL no. of outcome.

plz mark as Brainliest...

and FOLLOW me .....

Discussion

16.	Xy state true or false
Answer» ANSWER: This STATEMENT is TRUE ...

16.

Xy state true or false

Answer»

ANSWER:

This STATEMENT is TRUE ...

Discussion

17.	Which one is the conjugate pair of 2√3-√2
Answer» Answer: 2.049888053 Step-by-step EXPLANATION:

17.

Which one is the conjugate pair of 2√3-√2

Answer»

Answer:

2.049888053

Step-by-step EXPLANATION:

Discussion

18.	What are the possible rational numbers between 6/11 &8/11
Answer» Answer: 6,8 RATIONAL NUMBER and 5,11 IRRATIONAL number.

18.

What are the possible rational numbers between 6/11 &8/11

Answer»

Answer:

6,8 RATIONAL NUMBER and 5,11 IRRATIONAL number.

Discussion

19.	2whole 5/ 11/ 3 whole 9/22
Answer» ANSWER: 8•367768595 is the answer of this QUESTION

19.

2whole 5/ 11/ 3 whole 9/22

Answer»

ANSWER:

8•367768595 is the answer of this QUESTION

Discussion

20.	24 is 4 times as great as k
Answer» ANSWER: K=6 Step-by-step explanation: because 24= 4×6 Hence 24 is 4 times 6

20.

24 is 4 times as great as k

Answer»

ANSWER:

K=6

Step-by-step explanation:

because 24= 4×6

Hence 24 is 4 times 6

Discussion

21.	Find reciprocal 2/-5 × 3/-7
Answer» ANSWER: bwkoshqna yzajnrbx99a

21.

Find reciprocal 2/-5 × 3/-7

Answer»

ANSWER:

bwkoshqna yzajnrbx99a

Discussion

22.	-1and 1by 2rational number between .
Answer» ANSWER: -1/2 and 0 are the RATIONAL no.

22.

-1and 1by 2rational number between .

Answer»

ANSWER:

-1/2 and 0 are the RATIONAL no.

Discussion

23.	In how many ways we can represent the following ray and write the representations
Answer» ANSWER: HEY mate which ray Step-by-step EXPLANATION:

23.

In how many ways we can represent the following ray and write the representations

Answer»

ANSWER:

HEY mate

which ray

Step-by-step EXPLANATION:

Discussion

24.	-27=5-x find the value of the x
Answer» Answer: 32 Step-by-step EXPLANATION:

24.

-27=5-x find the value of the x

Answer»

Answer:

32

Step-by-step EXPLANATION:

Discussion

25.	suppose you have a window 40 cm in width and 15 cm in height. you want to make grill in window of equal spacing. what is the maximum gap you can leave such that spacing between each grill part is equal.
Answer» The maximum gap in the grilles will be the HCF of length and breath of the window. Then, HCF(40, 15) = 5 cm The spacing between TWO grilles will be EQUAL to 5 cm. HOPE YOU LIKE IT ! PLZ MARK ME BRAINLIEST !

25.

suppose you have a window 40 cm in width and 15 cm in height. you want to make grill in window of equal spacing. what is the maximum gap you can leave such that spacing between each grill part is equal.

Answer»

The maximum gap in the grilles will be the HCF of length and breath of the window.

Then, HCF(40, 15) = 5 cm

The spacing between TWO grilles will be EQUAL to 5 cm.

HOPE YOU LIKE IT !

PLZ MARK ME BRAINLIEST !

Discussion

26.	What do mean by alpha and beta and gamma
Answer» Answer: ALPHA radiation is the name for the emission of an alpha particle in fact an helium nuclei, BETA radiation is the emission of electrons or positrons , and GAMMA radiation is the term USED for the emission of ENERGETIC photons.

26.

What do mean by alpha and beta and gamma

Answer»

Answer:

ALPHA radiation is the name for the emission of an alpha particle in fact an helium nuclei, BETA radiation is the emission of electrons or positrons , and GAMMA radiation is the term USED for the emission of ENERGETIC photons.

Discussion

27.	161/256 is terminating or non terminating
Answer» ANSWER: This is NON TERMINATING

27.

161/256 is terminating or non terminating

Answer»

ANSWER:

This is NON TERMINATING

Discussion

28.	A triangle how many corner
Answer» ANSWER: 3 CORNER PLEASE mark it as BRAINLIEST answer if you like the answer and follow me ☺️☺️

28.

A triangle how many corner

Answer»

ANSWER:

3 CORNER

PLEASE mark it as BRAINLIEST answer if you like the answer and follow me ☺️☺️

Discussion

29.	6cubedis expressed as the sum of consecutive odd numbers as:(A) 23+25+27+29+31 (B) 31+33+35+37+39+41(C) 13+15 +17+19+21+23 (D) 21+23+25+27+29
Answer» answer is OPTION (b) there is no TRICK to solve this. first we have to TAKE out the cube of 6 which ID equal to 216 than we have to simply add values given in the option. if one of the options has its sum equal to 216 than it is correct checking option (a) 23+25+27+29+31=135 ( it is not equal to 216) checking option (b) 31+33+35+37+39+41=216 (it is equal to 216) so option(b) is the correct answer.

29.

6cubedis expressed as the sum of consecutive odd numbers as:(A) 23+25+27+29+31 (B) 31+33+35+37+39+41(C) 13+15 +17+19+21+23 (D) 21+23+25+27+29

Answer»

answer is OPTION (b)

there is no TRICK to solve this.

first we have to TAKE out the cube of 6 which ID equal to 216

than we have to simply add values given in the option.

if one of the options has its sum equal to 216 than it is correct

checking option (a)

23+25+27+29+31=135 ( it is not equal to 216)

checking option (b)

31+33+35+37+39+41=216 (it is equal to 216)

so option(b) is the correct answer.

Discussion

30.	Find the modulus of -6+8i
Answer» ANSWER: MODULUS of above ONE is 10

30.

Find the modulus of -6+8i

Answer»

ANSWER:

MODULUS of above ONE is 10

Discussion

31.	EXERCISE 1.11. Find the value of :(i) (17 – 25)
Answer» $\huge\mathfrak\blue{Answer:}$ $\huge\orange{ - 8}$ Step-by-step explanation: According to the Q, $> > 17 - 25$ $> > 17 + ( - 25)$ While adding 2 integers with DIFFERENT signs , the difference of both the NOS: is TAKEN and the sign of the greater no: is put: $\orange {> > - 8}$ PLS mark me as the brainlist....❤️ $also pls follow me...$

31.

EXERCISE 1.11. Find the value of :(i) (17 – 25)

Answer»

$\huge\mathfrak\blue{Answer:}$

$\huge\orange{ - 8}$

Step-by-step explanation:

According to the Q,

$> > 17 - 25$

$> > 17 + ( - 25)$

While adding 2 integers with DIFFERENT signs , the difference of both the NOS: is TAKEN and the sign of the greater no: is put:

$\orange {> > - 8}$

PLS mark me as the brainlist....❤️

$also pls follow me...$

Discussion

32.	Please find x in this question.
Answer» Step-by-step EXPLANATION: PLEASE FOLLOW me and MARK me as BRAINLIEST

32.

Please find x in this question.

Answer»

Step-by-step EXPLANATION:

PLEASE FOLLOW me and MARK me as BRAINLIEST

Discussion

33.	You roll two dot cubes and get a 5 each time.
Answer» Step-by-step EXPLANATION: so WHATS your QUESTION?

33.

You roll two dot cubes and get a 5 each time.

Answer»

Step-by-step EXPLANATION:

so WHATS your QUESTION?

Discussion

34.	A point lies on the X-axis at a distance of 7 units from the Y-axis. What are its coordinates? Whatwill be the coordinates if it lies on Y-axis at a distance of -7 units from X-axis?
Answer» Answer: The answer is (7,0) and (0,-7) respectively. Step-by-step EXPLANATION: First of all, if any point lies on X axis, its ordinate will be 0 and if the point lies on y axis, its ABSCISSA will be 0. In the first part of the question, the point lies on x axis, therefore, its ordinate is 0 and since its perpendicular distance from the y axis is 7 units, its coordinates is (7,0). In the second part of the question, the point lies on y axis, therefore, its abscissa is 0 and since its perpendicular distance from the x axis is -7 units, its coordinates is (0,-7). ( Note that in any coordinates (x,y) of a point, x is called abscissa and y is called ordinate).

34.

A point lies on the X-axis at a distance of 7 units from the Y-axis. What are its coordinates? Whatwill be the coordinates if it lies on Y-axis at a distance of -7 units from X-axis?

Answer»

Answer:

The answer is (7,0) and (0,-7) respectively.

Step-by-step EXPLANATION:

First of all, if any point lies on X axis, its ordinate will be 0 and if the point lies on y axis, its ABSCISSA will be 0. In the first part of the question, the point lies on x axis, therefore, its ordinate is 0 and since its perpendicular distance from the y axis is 7 units, its coordinates is (7,0).

In the second part of the question, the point lies on y axis, therefore, its abscissa is 0 and since its perpendicular distance from the x axis is -7 units, its coordinates is (0,-7).

( Note that in any coordinates (x,y) of a point, x is called abscissa and y is called ordinate).

Discussion

35.	do it factorization
Answer» Step-by-step EXPLANATION: *highest paying jobs* in *India* is *THE* *GOVERNOR* OF *RESERVE* *BANK* OF *INDIA*

35.

do it factorization

Answer»

Step-by-step EXPLANATION:

highest paying jobs in India is THE GOVERNOR OF

RESERVE BANK OF INDIA

Discussion

36.	Write (-3)×(-3)×a×a×b×b in exponential form
Answer» ANSWER: (–3)(–3)(a×a)(b×b) ⇒(+9)(a²)(b²) ∴ (-3)×(-3)×a×a×b×b in its exponential form is EQUAL to 9a²b² or (3ab)²

36.

Write (-3)×(-3)×a×a×b×b in exponential form

Answer»

ANSWER:

(–3)(–3)(a×a)(b×b)

⇒(+9)(a²)(b²)

∴ (-3)×(-3)×a×a×b×b in its exponential form is EQUAL to 9a²b² or (3ab)²

Discussion

37.	Prashant has to do plantation inof a field.In what part of the field he do plantation?PLEASE ASWER THE QUESTION AND BE BRAINLIEST!!!!!
Answer» Step-by-step explanation: multiple it be taking LCM then you CROSS multiple it there you GO that's your ANSWER

37.

Prashant has to do plantation inof a field.In what part of the field he do plantation?PLEASE ASWER THE QUESTION AND BE BRAINLIEST!!!!!

Answer»

Step-by-step explanation:

multiple it be taking LCM then you CROSS multiple it there you GO that's your ANSWER

Discussion

38.	Which side is rotated around the vertex?
Answer» ANSWER: gayera NET ma KHOJ na mori Step-by-step explanation: IDK

38.

Which side is rotated around the vertex?

Answer»

ANSWER:

gayera NET ma KHOJ na mori

Step-by-step explanation:

IDK

Discussion

39.	A pair of dice is thrown once. Find the probability of getting an even number on the first die
Answer» <P>Answer: 1/2 Step-by-step explanation: TWO dice are thrown but we need to CHECK in first dice only. so p(EVEN no.)=3/6 =1/2

39.

A pair of dice is thrown once. Find the probability of getting an even number on the first die

Answer»

<P>Answer:

1/2

Step-by-step explanation:

TWO dice are thrown but we need to CHECK in first dice only.

so p(EVEN no.)=3/6

=1/2

Discussion

40.	Pointing towards a man in the park Alvin says, 'his son is my son's uncle ".how is the man repeated to Alvin
Answer» ANSWER: the MAN is the BROTHER or FATHER of ALVIN

40.

Pointing towards a man in the park Alvin says, 'his son is my son's uncle ".how is the man repeated to Alvin

Answer»

ANSWER:

the MAN is the BROTHER or FATHER of ALVIN

Discussion

41.	Tanay spend Rs .40.this was of his pocket money .how much was his pocket money maths 7st
Answer» Correct question: TANAY spent Rs. 40. This was 40% of his POCKET moeny. How much was his pocket money? To FIND: We have to find the amount of Tanay's pocket money. Solution: Let the amount of Tanay's pocket money be Rs. x 40% of Rs. x = Rs. 40x/100 This money was spent. Given: 40x/100 = 40 or, x = 100 We have found: x = Rs. 100 Answer: Therefore the amount of Tanay's pocket money was Rs. 100 .

41.

Tanay spend Rs .40.this was of his pocket money .how much was his pocket money maths 7st

Answer»

Correct question: TANAY spent Rs. 40. This was 40% of his POCKET moeny. How much was his pocket money?

To FIND: We have to find the amount of Tanay's pocket money.

Solution:

Let the amount of Tanay's pocket money be Rs. x
40% of Rs. x = Rs. 40x/100
This money was spent.
Given: 40x/100 = 40
or, x = 100

We have found: x = Rs. 100

Answer: Therefore the amount of Tanay's pocket money was Rs. 100 .

Discussion

42.	What is the difference between cylinder and cone with respect to the number of faces,vertices and edges
Answer» *Answer* - Cylinder - 2 circular faces , 1 curved face , 2 edges , 0 vertices Cone - 1 circular face , 1 curved face , 1 edge , 1 vertex *Hop*e it HELPS

42.

What is the difference between cylinder and cone with respect to the number of faces,vertices and edges

Answer»

Answer -

Cylinder - 2 circular faces , 1 curved face , 2 edges , 0 vertices

Cone - 1 circular face , 1 curved face , 1 edge , 1 vertex

Hope it HELPS

Discussion

43.	A chord of a circle of radius 14 cm subtends a right angle at the centre. Then the area of the minor segment is --------cm2
Answer» Then the AREA of the MINOR SEGMENT is 22/7

43.

A chord of a circle of radius 14 cm subtends a right angle at the centre. Then the area of the minor segment is --------cm2

Answer»

Then the AREA of the MINOR SEGMENT is 22/7

Discussion

44.	For what value of p will the following pair of linear equation have infinitely many solutions (p-3)x+3y=p;px+py=12
Answer» Answer: *Hello!!! Good* *evening!!! Infinitely many* *SOLUTIONS* *have* *coincident lines, a1/a3=b1/b2=c1/c2.. (P-3)/p= 3/p* = p/12 (1) (2) (3) By *taking* (2)*and* (3)... *3/p* = p/12 (*Cross* *multiplication) P² = 36 P = √36 P=√6² :. P = 6. Hope* it *HELPS you..... Plz* *MARK this* *as brain* *liest answer*....

44.

For what value of p will the following pair of linear equation have infinitely many solutions (p-3)x+3y=p;px+py=12

Answer»

Answer:

Hello!!!

Good evening!!!

Infinitely many SOLUTIONS have coincident lines, a1/a3=b1/b2=c1/c2..

(P-3)/p= 3/p = p/12

(1) (2) (3)

By taking (2)and (3)...

3/p = p/12 (Cross multiplication)

P² = 36

P = √36

P=√6²

:. P = 6.

Hope it HELPS you.....

Plz MARK this as brain liest answer....

Discussion

45.	The reciprocal of non - zero whole number 'b' is what?
Answer» its RECIPROCAL will be 1/b

Discussion

46.	11/12-7/8-8/15*9/11Rational no.
Answer» =11/12-7/8-8/159/11 =-77/96-72/165 =5544/15840 =7/20

46.

11/12-7/8-8/15*9/11Rational no.

Answer»

=11/12*-7/8*-8/15*9/11

=-77/96*-72/165

=5544/15840

=7/20

Discussion

47.	Write the formula (a√b)+(a√c)=
Answer» ANSWER: AROOT B + aroot C = a (rootb + ROOT c)

47.

Write the formula (a√b)+(a√c)=

Answer»

ANSWER:

AROOT B + aroot C = a (rootb + ROOT c)

Discussion

48.	Answer this question l will mark you as brainliest
Answer» Answer: 600 Step-by-step EXPLANATION:

48.

Answer this question l will mark you as brainliest

Answer»

Answer:

600

Step-by-step EXPLANATION:

Discussion

49.	A+sigma fidi /sigma fiWhich method
Answer» ANSWER: SIGMA METHOD to START USING

49.

A+sigma fidi /sigma fiWhich method

Answer»

ANSWER:

SIGMA METHOD to START USING

Discussion

50.	Prove that square of integer is in the form of 5m+1 is in the same form
Answer» l Step-by-step explanation: Let a be any positive integer, such that a= bq+r b= 5 ,so r=1,2,3,4,0. if.r=0 a=5Q+r a=5q+0 SQUARE on both sides a²=( 5q)16 a²=25q² a²=5(5q)² a²=5M if r=1 a=5q+1 square on both sides a²=(5q+1)16 a²= (5q)²+ (1)²+2(5q)(1) a²= 25q+1+10q a²=5(5q+2) +1 a²= 5m +1

50.

Prove that square of integer is in the form of 5m+1 is in the same form

Answer»

l

Step-by-step explanation:

Let a be any positive integer, such that a= bq+r

b= 5 ,so r=1,2,3,4,0.

if.r=0

a=5Q+r

a=5q+0

SQUARE on both sides

a²=( 5q)16

a²=25q²

a²=5(5q)²

a²=5M

if r=1

a=5q+1

square on both sides

a²=(5q+1)16

a²= (5q)²+ (1)²+2(5q)(1)

a²= 25q+1+10q

a²=5(5q+2) +1

a²= 5m +1

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