In an examination, a student was asked to find 3/14 ofa certain number. by mistake. he found
3/4 of it. answer was 150 more than the corect answer. the given number is:
​

Let the number be x

He found 3/4th of number which gave 150 as answer

3x/4 = 150

x = 200

correct answer is (3/14)*200 = 42.8 is ur answer

please mark as brainlist

150

Step-by-step explanation:

Let number be x.

He needs to find = 14/100 * x.

He wrong found = 4/100 * x which is 15 less than correct answer

=> 4/100 * x + 15 should be equal to 14/100*x

4/100*x + 15 = 14/100 * x

10x/100 = 15

=> x/10 = 15

=> x = 150.

280

Step-by-step explanation:

Let say given number was  = C

correct answer  = 3C/14

Wrong answer = 3C/4

3C/4  - 3C/14 = 150

21C - 6C = 150*28  

15C = 150*28

C = 280

given number = 280

Correct answer = 3C/14 = 3*280/14 =60

Please mark the answer as "The Brainliest answer" if you like it

280

Step-by-step explanation:

Let the no. = x

A.T.Q

3/4x - 3/14x = 150

15/28x = 150

x = 150 ÷ 15/28

x = 150 * 28/15

x = 280

3/4x+70=4/3x

4/3x-3/4x=70

7/12x=70

x=(70×12)/7

x=120

300

Step-by-step explanation:

let x be that number

x/15 = x/5 - 40

solving equation we get x = 300

700

Step-by-step explanation:

Let the no. Be x,

Now,

3/14 of x =150,

=3/14 *x= 150, =

x=150÷3/14,

Now take the reciprocal of 3/14,

=x= 150* 14/3

=x=50 *14

=x =700

So the no. Could be 700

Hope it helps you

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Step-by-step explanation:

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Let the number be x

Given:

Student was asked to find (3/14)th of a certain number = 3/14 x

By mistake, Student found 3/4 of a number = 3/4 x

answer he got =  150 + 3/14x

Therefore,

3/4 x = 150 + 3/14x

3/4x – 3/14x = 150

(3 * 14) x – (3 * 4) x = 150 * 4 * 14

42x – 12x = 8400

30x = 8400

x = 280

answer – The number given to the student is 280.

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