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Present age of ‘A’ = 30 – 8 = 22 years Present age of ‘C’ = 22 – 6 = 16 years Required ratio = 16:20 = 4:5
A student scored 45 marks in a test and scored 25% less marks than passing marks. If passing marks is 30% of total marks, and Arijit scored 72% marks in...
Monthly income of A is Rs. 6500 and he saves 36% of his monthly income. If monthly expenditure of A is decreased by 35% while his monthly savings is inc...
The respective ratio of monthly income of A to monthly income of B is 6:7, and A’s saving is (100/7)% more than B’s saving. Find the expenditure of ...
Arjun sets aside 20% of his monthly earnings. If his monthly expenses rise by 45% while his monthly savings remain constant, determine the % increase in...
A bag contains 500 coins of 25p denomination and 1000 coins of 50p denominations. If 15% of 25p coins and 30% of 50p coins are removed, the percentage o...
In a city, the number of persons travelling by bike is 65% the number of persons travelling by metro. The number of persons travelling on foot is 80% th...
A gave 40% of amount to B. B gave 60% of amount received from A to C. If amount received by C from B is Rs.288, then find the amount received by B from A.
In a village, 40% of the families have bikes, 10% have cars and 10% have both bikes and cars. There are 60 families in the village. How many families ha...
A number when reduced by 35% gives 195. Find the number?
A student multiplied a number by 4/5 instead of 5/4. What is the percentage error in the calculation?
