The price of the sugar rise by 25%. If a family wants to keep their expenses on sugar the same as earlier, the family will have to decrease its consumption of sugar by
A. 25%
B. 20%
C. 80%
D. 75%
Answer: Option B
Solution(By Examveda Team)
Let the initial expenses on Sugar was Rs. 100. Now, Price of Sugar rises 25%. So, to buy same amount of Sugar, they need to expense, = (100 + 25% of 100) = Rs. 125. But, They want to keep expenses on Sugar, so they have to cut Rs. 25 in the expenses to keep it to Rs. 100. Now, % decrease in Consumption, $$\frac{{25}}{{125}} \times 100 = 20\% $$ Mind Calculation Method; 100 === 25%↑ ===> → 125 === X%↓ ===> 100Here, X = $$\frac{{25}}{{125}} \times 100 = 20\% $$
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Comments ( 1 )
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Why 25/125 ?? Always it is change/original so it shud be 25/100 ? Right??