332354 + Interview Questions in Secondary School in Math

1.	Please answer it ASAP. Fastest and most correct answer = Brainliest Answer
Answer» Answer :- Now as we know in a quadratic equation :- ax² + BX + c *Sum of roots* $= \dfrac{-b}{a}$ *Product of roots* $= \dfrac{c}{a}$ Now as GIVEN that the roots are equal . Let them be "p" Now putting them in sum and product of roots :- *Sum of roots* $p + p = \dfrac{-b}{a} \\\\ 2p = \dfrac{-b}{a}$ *And product of roots* $p\times p = \dfrac{c}{a} \\\\ p^2 = \dfrac{c}{a}$ Now as we can see *When p is negative and a is POSITIVE* b = positive c = positive *When p is positive and a is positive* b = negative c = positive. So as we can see SIGN of b is dependent upon p also on a . But sign of a is always Same as of c So answer is option (c)

1.

Please answer it ASAP. Fastest and most correct answer = Brainliest Answer

Answer»

Answer :-

Now as we know in a quadratic equation :-

ax² + BX + c

Sum of roots

$= \dfrac{-b}{a}$

Product of roots

$= \dfrac{c}{a}$

Now as GIVEN that the roots are equal .

Let them be "p"

Now putting them in sum and product of roots :-

Sum of roots

$p + p = \dfrac{-b}{a} \\\\ 2p = \dfrac{-b}{a}$

And product of roots

$p\times p = \dfrac{c}{a} \\\\ p^2 = \dfrac{c}{a}$

Now as we can see

When p is negative and a is POSITIVE

b = positive

c = positive

When p is positive and a is positive

b = negative

c = positive.

So as we can see SIGN of b is dependent upon p also on a .

But sign of a is always Same as of c

So answer is option (c)

Discussion

2.	5x-6=12-x what is the solution for the sum
Answer» Answer: 5x+x=12+6 6x=18 x=3............

2.

5x-6=12-x what is the solution for the sum

Answer»

Answer:

5x+x=12+6

6x=18

x=3............

Discussion

3.	the password to access my atm card includes the digits 9,4,6,8.It is the smallest 4 digit even number Find the password of my Atm card
Answer» Step-by-step EXPLANATION: the PASSWORD of your ATM CARD is 4698

3.

the password to access my atm card includes the digits 9,4,6,8.It is the smallest 4 digit even number Find the password of my Atm card

Answer»

Step-by-step EXPLANATION:

the PASSWORD of your ATM CARD is 4698

Discussion

4.	Write some real life example of the following a ray,closedcurve,line segment,angles,parallel lines ,intersecting lines
Answer» Answer: 1 Ray -TUBELIGHT 2 Closed curve- Bulb, bangle 3 Line segment- wire 4 PARALLEL LINES- frames 5 Intersecting lines- two lines that are CROSSING each other

4.

Write some real life example of the following a ray,closedcurve,line segment,angles,parallel lines ,intersecting lines

Answer»

Answer:

1 Ray -TUBELIGHT

2 Closed curve- Bulb, bangle

3 Line segment- wire

4 PARALLEL LINES- frames

5 Intersecting lines- two lines that are CROSSING each other

Discussion

5.	If x+1÷x =3 then what is value of x^2+1÷x^2
Answer» Answer: 4.25 Step-by-step EXPLANATION: x+1/x=3 x+1=3x 1=3x-x 1=2x x=1/2 Now, x^2+1÷x^2 (1/2)^2+1÷(1/2)^2 (0.5)^2+1÷(0.5)^2 0.25+1÷0.25 0.25+4 4.25

5.

If x+1÷x =3 then what is value of x^2+1÷x^2

Answer»

Answer:

4.25

Step-by-step EXPLANATION:

x+1/x=3

x+1=3x

1=3x-x

1=2x

x=1/2

Now, x^2+1÷x^2

(1/2)^2+1÷(1/2)^2

(0.5)^2+1÷(0.5)^2

0.25+1÷0.25

0.25+4

4.25

Discussion

6.	Find the nth term of an AP 5,11,16,28
Answer» Answer: ( 6 n - 1 ) Step-by-step explanation: Given : A.P. = 5 , 11 , 16 , 28 ..... We have FIRST term ( a ) = 5 Common DIFFERENCE ( d ) = second term - first term = 11 - 5 = 6 We do not have numbers of term ( n ) We know formula for n th term n th = a + ( n -1 ) d where a = first term d = common difference n = numbers of term putting values in formula n th = 5 + ( n -1 ) 6 n th = 5 + 6 n - 6 n th = 6 n - 1 Thus we get answer ( 6 n - 1 ).

6.

Find the nth term of an AP 5,11,16,28

Answer»

Answer:

( 6 n - 1 )

Step-by-step explanation:

Given :

A.P. = 5 , 11 , 16 , 28 .....

We have

FIRST term ( a ) = 5

Common DIFFERENCE ( d ) = second term - first term

= 11 - 5 = 6

We do not have numbers of term ( n )

We know formula for n th term

n th = a + ( n -1 ) d

where

a = first term

d = common difference

n = numbers of term

putting values in formula

n th = 5 + ( n -1 ) 6

n th = 5 + 6 n - 6

n th = 6 n - 1

Thus we get answer ( 6 n - 1 ).

Discussion

7.	If we simplify - 50 divided by -5 full problem
Answer» ANSWER: the answer will be 10 50/5=10

7.

If we simplify - 50 divided by -5 full problem

Answer»

ANSWER:

the answer will be 10

50/5=10

Discussion

8.	Find the ratio between 4.5 litre and 70 ml
Answer» the ANSWER is 750/7 Step-by-step explanation: hope it helped U so plse FOLLOW and show your love and SUPPORT

8.

Find the ratio between 4.5 litre and 70 ml

Answer»

the ANSWER is 750/7

Step-by-step explanation:

hope it helped U so plse FOLLOW and show your love and SUPPORT

Discussion

9.	Roots of the equation x²_8x+15=0 are
Answer» ANSWER: ROOTS of the EQUATION are REAL and DISTINCT.

9.

Roots of the equation x²_8x+15=0 are

Answer»

ANSWER:

ROOTS of the EQUATION are REAL and DISTINCT.

Discussion

10.	Find the area and perimeter of a square whose diagonal is 10cm
Answer» ANSWER: Step-by-step EXPLANATION: We KNOW AREA=1/2 (diagonal)^2 then,area=1/2(10)^2 =1/2 X 100 =50cm^2 perimeter of a square=2 root 2 X diagonal =2 root 2 X 10 =20 root 2 cm

10.

Find the area and perimeter of a square whose diagonal is 10cm

Answer»

ANSWER:

Step-by-step EXPLANATION:

We KNOW AREA=1/2 (diagonal)^2

then,area=1/2(10)^2

=1/2 X 100 =50cm^2

perimeter of a square=2 root 2 X diagonal

=2 root 2 X 10

=20 root 2 cm

Discussion

11.	Find the LCM of 44 126 198 280
Answer» ANSWER: LCM of 44,126,198 and 280

11.

Find the LCM of 44 126 198 280

Answer»

ANSWER:

LCM of 44,126,198 and 280

Discussion

12.	A train travels at a certain average speed for a distance 630 kilometre and then travels a distance of
Answer» Answer: Given that distance = 63 km. Let original speed of train = x km/hr. time = distance / time = 63/x hrs. And it travels a distance of 72 km at a average speed of 6 km/hr more than the original speed. distance = 72 km ; speed = (x + 6) km/hr . time = 72/(x+6) hrs. If it takes 3 hours to complete the WHOLE journey 63/x + 72/(x + 6) = 3 hrs ⇒ 63(x + 6) + 72X = 3x(x + 6) ⇒ 21(x + 6) + 24x = x(x+6) ⇒ 45X + 21×6 = x2 + 6x ⇒ x2 - 39X - 126 = 0 ⇒ x2 - 39x - 126 = 0 ⇒ (x - 42)(x + 3) = 0 ∴ x = 42 km/hr ∴ the original average speed = 42 km/hr

12.

A train travels at a certain average speed for a distance 630 kilometre and then travels a distance of

Answer»

Answer:

Given that distance = 63 km.

Let original speed of train = x km/hr.

time = distance / time = 63/x hrs.

And it travels a distance of 72 km at a average speed of 6 km/hr more than the original speed.

distance = 72 km ; speed = (x + 6) km/hr .

time = 72/(x+6) hrs.

If it takes 3 hours to complete the WHOLE journey

63/x + 72/(x + 6) = 3 hrs

⇒ 63(x + 6) + 72X = 3x(x + 6)

⇒ 21(x + 6) + 24x = x(x+6)

⇒ 45X + 21×6 = x2 + 6x

⇒ x2 - 39X - 126 = 0

⇒ x2 - 39x - 126 = 0

⇒ (x - 42)(x + 3) = 0

∴ x = 42 km/hr

∴ the original average speed = 42 km/hr

Discussion

13.	Prove that square root 7 is an irrational number
Answer» Answer: 7 is a PRIME number. 7 is a prime number.and UNDEROOT of all prime numbers are IRRATIONAL numbers. 7 is a prime number.and Underoot of all prime numbers are irrational numbers. Therefore √7 is an irrational number.

13.

Prove that square root 7 is an irrational number

Answer»

Answer:

7 is a PRIME number.

7 is a prime number.and UNDEROOT of all prime numbers are IRRATIONAL numbers.

7 is a prime number.and Underoot of all prime numbers are irrational numbers. Therefore √7 is an irrational number.

Discussion

14.	If p(x) = x ^4+ x^3+ x^2-5x+1 and s(x) = x+1 find the remainder when p(x) is divided by s(x)
Answer» ANSWER: answer is 7 Step-by-step EXPLANATION: x=-1 1-1+1+5+1 7

14.

If p(x) = x ^4+ x^3+ x^2-5x+1 and s(x) = x+1 find the remainder when p(x) is divided by s(x)

Answer»

ANSWER:

answer is 7

Step-by-step EXPLANATION:

x=-1

1-1+1+5+1

7

Discussion

15.	Every rhombus is a rectangle it is true or false
Answer» FALSE................

Discussion

16.	A car moving in a circular path of radius 2 metre calculate the both distance and magnitude
Answer» Step-by-step EXPLANATION: the distance travelled is 2πr that is 12.5 m and the magnitude is positive hope u got it so PLSE SAY THANKS and FOLLOW to get more answers

16.

A car moving in a circular path of radius 2 metre calculate the both distance and magnitude

Answer»

Step-by-step EXPLANATION:

the distance travelled is 2πr that is 12.5 m and the magnitude is positive

hope u got it so PLSE SAY THANKS and FOLLOW to get more answers

Discussion

17.	The perimeter of an isosceles right-angled triangle is having a as each of the equal sides is
Answer» Step-by-step explanation: Hope this answer helps you.... SORRY for all the crosses and CUTTINGS...

17.

The perimeter of an isosceles right-angled triangle is having a as each of the equal sides is

Answer»

Step-by-step explanation:

Hope this answer helps you....

SORRY for all the crosses and CUTTINGS...

Discussion

18.	Find the value of a for which ( x- a) is a factoe of the polynomial f(x) = x^5-a^2 x^3+2x+a-3
Answer» Step-by-step explanation: by factors therom g(X)=x-a x-a=0 x=a and put the VALUE of x in the POLYNOMIAL and slove it

18.

Find the value of a for which ( x- a) is a factoe of the polynomial f(x) = x^5-a^2 x^3+2x+a-3

Answer»

Step-by-step explanation:

by factors therom

g(X)=x-a

x-a=0

x=a

and put the VALUE of x in the POLYNOMIAL and slove it

Discussion

19.	What is this ? Given : A={ s,e,c,o,n,d,a,r,y,} B ={}
Answer» ANSWER: sets B SET is a NULL set hope this HELPS you

19.

What is this ? Given : A={ s,e,c,o,n,d,a,r,y,} B ={}

Answer»

ANSWER:

sets

B SET is a NULL set

hope this HELPS you

Discussion

20.	How to be smart work on study
Answer» $\huge\mathfrak\blue{hello}$ AVOID DISTRACTIONS TRY TO FOCUS LEARN POINT WISE DONT SIT FOR HOURS HAVE BREAKS DISCUSS READ ALOUD EXPLAIN URSELF REVISE TAKE TESTS AND URE DONE ❣❣HOPE IT HELPS U ❣❣ ❣❣PLEASE MARK MY ANSWER AS BRAINLIEST ❣❣ FOLLOW ME ❣❣THANKS ❣❣ ☺☺☺ #BEBRAINLY $\huge\mathfrak{Follow \ Me}$

20.

How to be smart work on study

Answer»

$\huge\mathfrak\blue{hello}$

AVOID DISTRACTIONS
TRY TO FOCUS
LEARN POINT WISE
DONT SIT FOR HOURS
HAVE BREAKS
DISCUSS
READ ALOUD
EXPLAIN URSELF
REVISE
TAKE TESTS
AND URE DONE

❣❣HOPE IT HELPS U ❣❣

❣❣PLEASE MARK MY ANSWER AS BRAINLIEST ❣❣

FOLLOW ME

❣❣THANKS ❣❣

☺☺☺

#BEBRAINLY

$\huge\mathfrak{Follow \ Me}$

Discussion

21.	Find an integer which multiplied by -1 and then divided by -9 results into reciprocal of that integer
Answer» Answer: 3 Step-by-step EXPLANATION: LET the number be 'x' x × -1/-9 = 1 /x x/9 =1/x x^2 = 9 x =3

21.

Find an integer which multiplied by -1 and then divided by -9 results into reciprocal of that integer

Answer»

Answer:

3

Step-by-step EXPLANATION:

LET the number be 'x'

x × -1/-9 = 1 /x

x/9 =1/x

x^2 = 9

x =3

Discussion

22.	If x=2.16bar then the rational form of x is
Answer» ANSWER: RATIONAL FORM of X is 216/100 Step-by-step EXPLANATION:

22.

If x=2.16bar then the rational form of x is

Answer»

ANSWER: RATIONAL FORM of X is 216/100

Step-by-step EXPLANATION:

Discussion

23.	One of the zeroes of the polynomial 2x×x+7x-4
Answer» ANSWER: Step-by-step explanation take any number and PLACE in X and you will get the VALUE of zero of the polynomial

23.

One of the zeroes of the polynomial 2x×x+7x-4

Answer»

ANSWER:

Step-by-step explanation take any number and PLACE in X and you will get the VALUE of zero of the polynomial

Discussion

24.	The set of values of X satisfying the equation√2x-5
Answer» Step-by-step explanation: Hope it helps........ These kind of QUESTION of linear INEQUALITIES are to be SOLVED similarly as the ONES of linear equality....

24.

The set of values of X satisfying the equation√2x-5

Answer»

Step-by-step explanation:

Hope it helps........

These kind of QUESTION of linear INEQUALITIES are to be SOLVED similarly as the ONES of linear equality....

Discussion

25.	U = { s,e,c,o,n,d,a,r,y} A={ n,e,r,d} B ={} ?????
Answer» ANSWER: B={ s,C,o,a,y} .......MEANS U-A=B

25.

U = { s,e,c,o,n,d,a,r,y} A={ n,e,r,d} B ={} ?????

Answer»

ANSWER:

B={ s,C,o,a,y} .......MEANS U-A=B

Discussion

26.	If alpha and beta are the roots of eqn (x-a)(x-b)+c = 0 ,then find the eqn (x-alpha)(x-beta) - c =0
Answer» Xx-ax-b*x+ab+c=0 Please GIVE THANKS

Discussion

27.	3. Express in p/q form, P, q E Z,q=0
Answer» Answer: we can't DETERMINE the value ...if the denominator is ZERO... Step-by-step explanation: 0/0... 1/0... 2/0.. there is no existing VALUES under SET of Rational numbers

27.

3. Express in p/q form, P, q E Z,q=0

Answer»

Answer:

we can't DETERMINE the value ...if the denominator is ZERO...

Step-by-step explanation:

0/0...

1/0...

2/0..

there is no existing VALUES under SET of Rational numbers

Discussion

28.	Find all possible value of x for which the number 534 x 2 is divisible by 3.Also, find each such number
Answer» ANSWER: it can be 1,4,7 for this we will SUM up the DIGITS and VERIFY ACC

28.

Find all possible value of x for which the number 534 x 2 is divisible by 3.Also, find each such number

Answer»

ANSWER:

it can be 1,4,7

for this we will SUM up the DIGITS and VERIFY ACC

Discussion

29.	Ohh i am saying that please give me some Hots questions higher order thinking skill questions....... Related to Euclid geometry chapter.. class 9now got it
Answer» Answer: Its math questions of EUCLID geometry Step-by-step explanation: of POINT c lies between TWO point a and b such that ac = bc then prove that ac =1/2 AB explain by drawing the figure

29.

Ohh i am saying that please give me some Hots questions higher order thinking skill questions....... Related to Euclid geometry chapter.. class 9now got it

Answer»

Answer:

Its math questions of EUCLID geometry

Step-by-step explanation:

of POINT c lies between TWO point a and b such that ac = bc then prove that ac =1/2 AB explain by drawing the figure

Discussion

30.	*3500 is divided among Ram, Juhi and Ron such that Ram gets 300 more than Juhiand Ron gets double of Ram's share. How much did each person get?
Answer» Step-by-step EXPLANATION: TOTAL MONEY =3500 RAM get=300 and after GIVING ram =3500-300= =3200 then 3200/2=1600

30.

*3500 is divided among Ram, Juhi and Ron such that Ram gets 300 more than Juhiand Ron gets double of Ram's share. How much did each person get?

Answer»

Step-by-step EXPLANATION:

TOTAL MONEY =3500

RAM get=300

and after GIVING ram =3500-300=

=3200

then 3200/2=1600

Discussion

31.	Venn diagram Venn diagram for De Morgan law for set difference
Answer» Answer: For SETS, DE Morgan's Laws are simply observations about the relation between sets and their COMPLEMENTS. ... On a Venn Diagram, this union COVERS all space in the Venn Diagram except for the intersection of the two sets. Hence, De Morgan's Law for the COMPLEMENT of an intersection of two sets.

31.

Venn diagram Venn diagram for De Morgan law for set difference

Answer»

Answer:

For SETS, DE Morgan's Laws are simply observations about the relation between sets and their COMPLEMENTS. ... On a Venn Diagram, this union COVERS all space in the Venn Diagram except for the intersection of the two sets. Hence, De Morgan's Law for the COMPLEMENT of an intersection of two sets.

Discussion

32.	find an integer which when multiplied by minus 1 and divided by -9 results into reciprocal of that integer
Answer» Answer: 3 Step-by-step explanation: LET the NUMBER be 'x' x × -1/-9 = 1/x x/9= 1/x x^2 = 9 x = 3

32.

find an integer which when multiplied by minus 1 and divided by -9 results into reciprocal of that integer

Answer»

Answer:

3

Step-by-step explanation:

LET the NUMBER be 'x'

x × -1/-9 = 1/x

x/9= 1/x

x^2 = 9

x = 3

Discussion

33.	For any 2 set A and B ,prove that A intersection (À U B)=A intersection Bprove this
Answer» Step-by-step EXPLANATION: I HOPE that it will be USEFUL for you.......

33.

For any 2 set A and B ,prove that A intersection (À U B)=A intersection Bprove this

Answer»

Step-by-step EXPLANATION:

I HOPE that it will be USEFUL for you.......

Discussion

34.	56Find the sum of first 1 to 20 even natural numbers
Answer» Answer: The sum of FIRST 1 to 20 EVEN natural NUMBER is 90

34.

56Find the sum of first 1 to 20 even natural numbers

Answer»

Answer:

The sum of FIRST 1 to 20 EVEN natural NUMBER is 90

Discussion

35.	ber series quiz క్విజ్ 1 find the next number in the series? 400,800,2400, _?_ [multiple patterns can exist but the pattern chosen and decided by the company will be considered final] 400 800 1200 1 submit 1 ticket
Answer» ANSWER: the answer is 7200. ...I THINK so

35.

ber series quiz క్విజ్ 1 find the next number in the series? 400,800,2400, _?_ [multiple patterns can exist but the pattern chosen and decided by the company will be considered final] 400 800 1200 1 submit 1 ticket

Answer»

ANSWER:

the answer is 7200. ...I THINK so

Discussion

36.	the sum of the area of two square is 452 metre square if the difference between of the perimeter is 8 metre, find the sides of square
Answer» ANSWER: Step-by-step EXPLANATION:

36.

the sum of the area of two square is 452 metre square if the difference between of the perimeter is 8 metre, find the sides of square

Answer»

ANSWER:

Step-by-step EXPLANATION:

Discussion

37.	' but there was so much that was impossible for me ' which type of sentence
Answer» Answer: 18 Step-by-step EXPLANATION:

37.

' but there was so much that was impossible for me ' which type of sentence

Answer»

Answer:

18

Step-by-step EXPLANATION:

Discussion

38.	In which quandant will thè piont (3,-2) will lie
Answer» Answer: In the FOURTH QUANDANT , the POINT (3,-2) will lie.

38.

In which quandant will thè piont (3,-2) will lie

Answer»

Answer:

In the FOURTH QUANDANT , the POINT (3,-2) will lie.

Discussion

39.	If a> 1 then there is no integer b such that a×b=b×a=b
Answer» What is your QUESTION? I didn't UNDERSTAND that.

39.

If a> 1 then there is no integer b such that a×b=b×a=b

Answer»

What is your QUESTION?

I didn't UNDERSTAND that.

Discussion

40.	Verify that (-2) is a zero of the polynomial 2x cube - 3xsquare - 8x-3
Answer» Step-by-step EXPLANATION: -2 , is not a ZERO of this POLYNOMIAL.

40.

Verify that (-2) is a zero of the polynomial 2x cube - 3xsquare - 8x-3

Answer»

Step-by-step EXPLANATION:

-2 , is not a ZERO of this POLYNOMIAL.

Discussion

41.	Student-name Anieta asked in Mathif one zero of the polynomial (a2+a)x2+13x+6a is the reciprocal of the other , find the value of a.
Answer» ANSWER: a9x2+13x MUST be the answer but SURE THO

41.

Student-name Anieta asked in Mathif one zero of the polynomial (a2+a)x2+13x+6a is the reciprocal of the other , find the value of a.

Answer»

ANSWER:

a9x2+13x MUST be the answer but SURE THO

Discussion

42.	Represent-11and13 on number line
Answer» Step-by-step explanation: this SHOW -11 and 3 on NUMBER line

42.

Represent-11and13 on number line

Answer»

Step-by-step explanation:

this SHOW

-11 and 3 on NUMBER line

Discussion

43.	3 conditions from chapter real numbers class 10
Answer» ANSWER: SORRY I am in CLASS 9 Step-by-step explanation: it MAY HELP you

43.

3 conditions from chapter real numbers class 10

Answer»

ANSWER:

SORRY I am in CLASS 9

Step-by-step explanation:

it MAY HELP you

Discussion

44.	Q. The product of two number is 95/6 if one of the number is 6 find the other.
Answer» Answer: 95 Step-by-step EXPLANATION: LET other no. be x THEREFORE 6 × x= 95/6 = 95/6×6 = 95 therefore x=95 i.e; the other no. is 95

44.

Q. The product of two number is 95/6 if one of the number is 6 find the other.

Answer»

Answer:

95

Step-by-step EXPLANATION:

LET other no. be x

THEREFORE 6 × x= 95/6

= 95/6×6

= 95

therefore x=95

i.e; the other no. is 95

Discussion

45.	The cost of 3dozen apple and 2dozen orange in rs870 •but if buy 4dozen apple and 3 dozen orange for rs 780, find the total cost of 1 dozen apple and 1dozen orange
Answer» hey buddy....... thank you for question..... let dozen of apple be x and dozen of orange be y According to GIVEN condition.. 3x+2y=870....(1) 4x+3y=780....(2) MULTIPLY(1) by 4 -- 12x+8y=3480....(3) multiply (2) by 3-- 12x+9y=2340....(4) SUBTRACT (3) and (4) 12x+8y=3480 12x+9y=2340 _______________ 0 - y= 1140 y= -1140 substitute y= -1140 in 4 12x+9(-1140)=2340 12x=2340+10260 12x=12600 x=1600 hope it helps mark me as brainliest

45.

The cost of 3dozen apple and 2dozen orange in rs870 •but if buy 4dozen apple and 3 dozen orange for rs 780, find the total cost of 1 dozen apple and 1dozen orange

Answer»

hey buddy.......

thank you for question.....

let dozen of apple be x

and dozen of orange be y

According to GIVEN condition..

3x+2y=870....(1)

4x+3y=780....(2)

MULTIPLY(1) by 4 -- 12x+8y=3480....(3)

multiply (2) by 3-- 12x+9y=2340....(4)

SUBTRACT (3) and (4)

12x+8y=3480

12x+9y=2340

_______________

0 - y= 1140

y= -1140

substitute y= -1140 in 4

12x+9(-1140)=2340

12x=2340+10260

12x=12600

x=1600

hope it helps mark me as brainliest

Discussion

46.	Check the divisibility of 2146587 by 3Represent 23/7 on number line find square root of 480249 and 237615find the smallest number that must be added to 1780 to make it a perfect squareProduct of two numbers is 1575 and their quotient is 9/7 found the number Dont spam IF YOU GET THE CORRECT ANSWER OF ALL QUESTIONS I WILL MARK YOU AS A BRAINLIST
Answer» ANSWER: DIVISIBILITY of 3 = sum of all digits 2+1+4+6+5+8+7=33 Step-by-step EXPLANATION: Hope you LIKE my answer

46.

Check the divisibility of 2146587 by 3Represent 23/7 on number line find square root of 480249 and 237615find the smallest number that must be added to 1780 to make it a perfect squareProduct of two numbers is 1575 and their quotient is 9/7 found the number Dont spam IF YOU GET THE CORRECT ANSWER OF ALL QUESTIONS I WILL MARK YOU AS A BRAINLIST

Answer»

ANSWER:

DIVISIBILITY of 3 = sum of all digits

2+1+4+6+5+8+7=33

Step-by-step EXPLANATION:

Hope you LIKE my answer

Discussion

47.	The sum of the digit of a two digit number is 15 and if 19 is added to the number the digits are interchanged. find the number.
Answer» Step-by-step explanation: let the one's digit be x and the tens digit = (15 - x ) original number = 10 (15 - x )+ x 150 - 10 x +x 150 - 9x On INTERCHANGING = 10X + (15-x) 10x + 15- x 9x + 15 A/Q original number + 19 = interchanged number 150 - 9x + 19 = 9x + 15 150 + 19 - 15 = 9x + 9x 154 = 18 x x = 8 now 10 th place = 15 - 8 = 7 therefore digit is 78 HOPE IT HELPS YOU!

47.

The sum of the digit of a two digit number is 15 and if 19 is added to the number the digits are interchanged. find the number.

Answer»

Step-by-step explanation:

let the one's digit be x

and the tens digit = (15 - x )

original number = 10 (15 - x )+ x

150 - 10 x +x

150 - 9x

On INTERCHANGING = 10X + (15-x)

10x + 15- x

9x + 15

A/Q

original number + 19 = interchanged number

150 - 9x + 19 = 9x + 15

150 + 19 - 15 = 9x + 9x

154 = 18 x

x = 8

now 10 th place = 15 - 8

= 7

therefore digit is 78

HOPE IT HELPS YOU!

Discussion

48.	Express 73% as a decimal
Answer» ANSWER: 73/100 0.73 is the answer

48.

Express 73% as a decimal

Answer»

ANSWER:

73/100

0.73 is the answer

Discussion

49.	Find the sum of first 1 to 20 even natural numbers
Answer» Answer: 20(20+1)=420 Step-by-step EXPLANATION: by USING formul=n(n+1)

49.

Find the sum of first 1 to 20 even natural numbers

Answer»

Answer:

20(20+1)=420

Step-by-step EXPLANATION:

by USING formul=n(n+1)

Discussion

50.	The values of the remainder r, when a positive integer a is divided by 3 are 0 and 1 only. Justify your answer.Please send answer clear and best ...it's urgent..❤❤❤❤
Answer» _____________________________ Step-by-step explanation: *SOLUTION* :- *Let* a *and* b be *TWO* *positive* *integer* *such* *that* a>b. *Division lemma* *there* *exist* *positive* *integer* q *and* r. *When* a *positive* *integer* a *DIVIDED* by 3, We *find, a=3q+r , where* r *greater* *than* or *equal* to 0 *and* *smaller* *than* or *equal* to 3. So, *value* of r be 0, 1, *and* 2. *Thus, the remainder when a positive integer 'a' is divided by 3 is 0, 1 or 2.*

50.

The values of the remainder r, when a positive integer a is divided by 3 are 0 and 1 only. Justify your answer.Please send answer clear and best ...it's urgent..❤❤❤❤

Answer»

_____________________________

Step-by-step explanation:

SOLUTION :-

Let a and b be TWO positive integer such that a>b.

Division lemma there exist positive integer q and r.

When a positive integer a DIVIDED by 3,

We find,

a=3q+r , where r greater than or equal to 0 and smaller than or equal to 3.

So, value of r be 0, 1, and 2.

Thus, the remainder when a positive integer 'a' is divided by 3 is 0, 1 or 2.

Discussion

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