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Let C’s present age be x years. So, A’s present age = (x + 8) years And B’s present age = (x + 8 + 5) = (x + 13) years According to question, => x + 8 + x = 24 => 2x = 16 => x = 8 Required total sum = x + (x + 8) + (x + 13) = 3x + 21 = 45 years
The respective ratio of monthly income of A to monthly income of B is 5:6, and A’s saving is (100/6)% more than B’s saving. Find the expenditure of ...
A certain sum becomes Rs 13650 at 15% p.a. simple interest after 2 years. What will be the amount (in RS) of the same sum after 1 year at the same rate ...
A gets 36% of the full marks in an exam and fails by 90 marks. B gets 38% of the full marks in the same exam and he also fails by 72 marks. What is the ...
A and B together have total of Rs.6000 out of which they donated 20% to the orphanage school. The remaining amount is to be then redistributed between t...
The price of a car increased by 5% while its sales decreased by 16%. What is the percentage change in the total revenue?
A person initially spends 50% of his salary and saves the rest. After his salary increases by 30%, he continues to save the same amount but now spends R...
A company’s revenue increases by 20% in the first year, decreases by 10% in the second year, and increases by 25% in the third year. If the revenue at...
On Wednesday, the price of tomatoes increased by x% as compared to Tuesday and the price of tomatoes decreased by x/2% on Tuesday as compared to Monday....
Rani appeared for an examination which had four papers, with the weightage of the four papers being in the ratio 1:2:3:x She secured 60 percent marks i...
A company manufactures two products, A and B, with production costs of 150 and 200, respectively. To meet market demand, the company raises the price of...