The ratio between the present ages of P and Q is 5 : 7 respectively. If the difference between Q's present age and P's age after 6 years is 2, what is the total of P's and Q's present ages?

If 35% of a number is 175, then what percent of 175 is that number?

An article is sold at a certain price. By selling it at 2/3 of that price one loses 10%. Find the gain percent...

A and B started a partnership business investing some amount in the ratio of 3 : 5. C joined them after six mo...

If 17 labourers can dig a ditch 26 m long in 18 days, working 8 hours a day; how many more labourer working 9...

What is the sum of the squares of the digits from 1 to 9?

A merchant has 1000 kg of sugar, part of which he sells at 8% profit and the rest at 18% profit. He gains 14%...