Required ratio = 280 : 140 = 2:1
If the length of a rectangle is increased by 60%, what would be the percentage decrease (correct to the nearest integer) in the width to maintain the sa...
A gave 45% of the amount he had to B. B gave 2/3rd of what he received from A to C. After paying Rs. 240 to the taxi driver out of the amount he gets fr...
A man donated 9%, 20% and 22% of his income to three NGOs ‘A’, ‘B’ and ‘C’, respectively. They spent 75%, 80% and 50% of respective sums rec...
In a school, 60% of the students pass and 30 fail. The number of students appearing from another school is 25 more and 20 more students pass than the fo...
Monthly income of P is Rs.15000 and his monthly savings is Rs.9600. If his monthly income is decreased by 35% and monthly expenditure is decreased by 25...
A retailer buys three types of Rice bags at ₹60, ₹40 and ₹20 per kg respectively. He mixes them in the ratio of 1:2:3 by weight and sold them at a...
If 33.5% of a number is 11.75, then what is the number?
Two numbers are less than a third number by 36% and 40% respectively. Find the percent by which the second number is less than the first.
The income of a person is Rs.13000 and his expenditure is Rs.8000. In the next year his income and expenditure is increased by 10% and 20% respectively....
Ravi had 360 candies, while Shyam had 45 more candies than Ravi. Ravi ate 25% of his candies, and Shyam ate 35% of his candies. N...
