Curioustab

Home » Aptitude » Simplification

In an examination, a student was asked to find (3/14) of a certain number, by mistake he found (3/4) of it. His answer was 150 more then the correct answer. The given number is?

180
240
280
290

Correct Answer: 280

Explanation:

∵ 3N/4 - 3N/14 =150
⇒ 15N/28 = 150
∴ N = (150 x 28) /15 = 280

← Previous Question Next Question→

More Questions from Simplification

If we multiply a fraction by itself and divided the product by its reciprocal, the fraction thus obtained is 18 26/ 27. The original fraction is?
The smallest fraction which should be subtracted from the sum of 1 3/ 4, 2 1/ 2, 5 7/ 12, 3 1/ 3 and 2 1/ 4 to make the result a whole number is?
Gopal was asked to find 7/9 of a fraction. But he made a mistake of dividing the given fraction by 7/9 and got an answer which exceeded the correct answer by 8/21. The correct answer is?
The highest score in an innings was 3/11 of the total and the next highest was 3/11 of the remainder. If the scores differed by 9, then the total score is?
In a family, the father took 1/4 of the cake and he had 3 times as much as others had. The total number of family members is?
Ravi earns twice as much in January as in each of the other months. What part of his annual earnings he earns in that month?
√ 132 + 28 / 4 - (3)3 + 107 = (?) 2
If a 2 + b 2 = 234 and ab = 108, find the value of a + b / a - b .?
If a 2 + 1 = a, then the value of a 12 + a 6 + 1 is?
If a, b and c are non-zero, a + 1/b = 1 and b + 1/c = 1, then the value of abc is?

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion