Question
The average age of P, Q, and R is 22 years. Two years
ago, the sum of the ages of P and Q was 5 years less than the age of R. Find the present age of R.Solution
(P+Q+R)/3 =22 P+Q+R =66 2 years ago, =66-6 =60 SO ATQ- R-5+R =60 2R =65 R=32.5 So now the present age of R =32.5+2 Â =34.5 years
A Fruit seller purchased 1530 bananas at the rate of Rs. 20 per dozen. 90 bananas get rotten. In order to make a 20%, he must sell the remaining bananas...
A person saves 30% of his monthly income. If his monthly is increased by 45% and he still saves the same amount as before then find percentage increase ...
The population of a town is 80,000. It increases by 8% in the first year and by 7% in the second year. What is the population at the end of 2 years?
Meenu spent 30% of the salary on entertainment and 10% on makeup. She spent 10% of the remaining on the food and 50% of the remaining invested in mutual...
Mehul allocates his income in the following manner: 25% is spent on rent. After rent, he uses 20% of the balance on groceries. He spends one-fifth of t...
The income of ‘A’ increases by 26% every year. If the present income of ‘A’ is Rs. 25401.6 and his expenditure 2 years ago from now was Rs. 1400...
'G', 'H', and 'I' appeared in an exam. 'G' scored 65% marks in an exam which was 60 more than passing marks. Whereas 'H' scored 45% marks in the exam wh...
A student gets an aggregate of 60% marks in five subjects in the ratio 10 : 9 : 8 : 7 : 6. If the passing marks are 45% of the maximum marks and each s...
In an election between two candidates, winner got 55% of total valid votes. If total number of votes cast were 1000 out of which 6% were invalid, then f...
Rahul was employed by a company in 2021 with a starting net salary of Rs. 25,000. By 2024, his gross salary had risen to Rs. 63,000. Assuming his net sa...
Relevant for Exams:
