Ratio Problems

ratio and proportion

practice set 4.1

(4) Three persons can build a small house in 8 days. To build the same house in 6 days, how many persons are required?

Poll

(4) Three persons can build a small house in 8 days. To build the same house in 6 days, how many persons are required?

• 4

• 7

• 6

• 9

Convert the following ratios into percentage. 

(i) 15 : 25

Poll

Convert the following ratios into percentage.

(ii) 47 : 50

• 100 %

• 87 %

• 94%

• 50 %

Poll

(iii) 7:10

• 70 %

• 80 %

• 10 %

Poll

(iv) 546 : 600

• 91 %

• 92 %

• 93 %

Poll

(v) 7 : 16

• 12.96 %

• 43.75%

• 54.91%

^{The ratio of ages of Abha and her mother is 2 : 5. At the time of Abha's birth her mothers age was 27 year. Find the present ages of Abha and her mother.}