alleryIf the price of sugar rises by 25%, by what percent must consumption fall to keep expenditure unchanged?
A15%
B20%
C25%
D30%
Answer & Solution
Correct answer: B. 20%
Required fall = r/(100+r) x 100 = 25/125 x 100 = 20%.
**Check:** new spend = 1.25 x 0.80 = 1.0, unchanged.
Keep practising Arithmetic Algebra Mensuration
Browse all Arithmetic Algebra Mensuration questions for GRE, or explore more Quantitative Aptitude topics.
Related questions
In a right triangle with legs 5 cm and 12 cm, the hypotenuse isThe volume of a cube of side 4 cm isThe perimeter of a square is 36 cm. Its area isThe area of a circle with radius 7 cm is (use pi = 22/7)The smallest number divisible by both 12 and 18 isThe sum of three consecutive natural numbers is 72. The middle number isIf x + y = 12 and x - y = 4, then xy equalsA sum of money doubles itself in 8 years at simple interest. The rate per annum is