Ratio and Propo...

The ages of Sonu and tonu are in the ratio 5: 7. Eighteen years ago their ages were in the ratio8: 13. Find their present agesof Sonu and tonu?

Find the ratio of the price of pencil to that of ball pen, if pencilcost Rs.160perscore and ball pen cost Rs.84per dozen.

Two numbers are in the ratio 14: 49. If the sum of the numbers is 81.Find thesmaller number.

Three numbers are in the ratio 2: 3: 5 and the sum of these numbers is800. Find the largestnumber.

In the ratio 7: 8. If the consequent is 80, what a the antecedent

The boys and the girls in a school are in the ratio 5:4. If total strength ofthe school be 450, find the number ofgirls.

Two numbers are in the ratio 49:77. If 7 is added to each ofthe numbers, the ratio becomes 2: 3. Find the smaller number.

The ratio of zinc and copper in an alloy is 7: 9. It the weight of thecopper in the alloy is 9.0 kg, find the weight of the zinc in the alloy.

The sides of a triangle are in the ratio 1: 2: 3. If the perimeter is 60 cm, find its largest side.

Divide Rs 270 into two parts such that one may be to the other as 2: 7.Find second part?

In a class, one out of every six students fails. If there are 36 students in the class, howmany pass?

Divide Rs 270 between Ravish and Shikha in the ratio 2:3 and find the value of shikha's share?

The ratio of monthly income to the savings of a family is 7: 2. If thesavings be of Rs. 200, find the expenditure.

A sum of Rs 550 is to be divided between Raman and Aman in the rate 7:4. How much will Aman get?

Divide Rs 200 amongP, Q, R in the ratio 2: 3: 5.Find R?