The ratio of an hour to a minute is…...
a) 1 : 60
b) 60 : 1
c) 1 : 3600
Solution: 1mint : 1 hour = 1 : 60
To make concrete the ratio of cement to gravel is 2 : 3 and the ratio of gravel to sand is 2 : 5. Find the continued ratio among the cement, gravel and sand.
a) 2 : 6 : 5
b) 2 : 6 : 15
c) 4 : 6 : 15
d) 12 : 16 : 20
Solution: Solve according to continued ratio example method.
A worker works in a factory. He works 78 hours during 5 days of the week. Find the average rate of working per day?
a) 13
b) 15.6
c) 18
d) 19
Solution: 78 ÷ 5 =15.6
A term that is used to compare two or more quantities of the same kind is called……..
a) symbol
b) competition
c) ratio
Symbol “:” is used to represent a……
a) symbol
b) competition
c) ratio
A street hawker is selling bananas at Rs. 60 per dozen. A man wants to buy 20 bananas. How much he will have to pay.
a) 80
b) 100
c) 120
d) 140
Solution: 12 bananas = Rs. 60 (60/12 = 5)
Price 20 bananas = 20 × 5= 100
