If 15% of x is 45, find 25% of x.
A60
B65
C70
D75
Answer & Solution
Correct answer: A. 60
1. 15% of x = 45, so x = 45 * (100/15) = 300.
2. 25% of 300 = (25/100) * 300 = 75.
3. So 25% of x is 75.
_Source: SSC CGL Quantitative Aptitude (Percentages), R.S. Aggarwal style and standard practice_
Related questions
If 15% of (A + B) = 25% of (A − B), then A : B equals:A man spends 75% of his income. If his income increases by 20% and expenditure by 10%, by In a class of 80 students, 60% are girls. If 12 more boys join, what is the new percentageIf the sides of a square are increased by 10%, by what percent does the area increase?The number 720 is what percent more than 480?If 60% of students pass an exam and 240 fail, how many students appeared?A's salary is 20% less than B's. By what percent is B's salary more than A's?If the price of a commodity rises by 25%, by what percent must consumption be reduced so e