By how much is three-fifth of 350 greater than four-seventh of 210?

50 is divided into two parts such that the sum of their reciprocals is 1/12. Find the two parts.

The ratio between the present ages of P and Q is 5 : 7 respectively. If the difference between Q's present age...

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...