Prize of one dozen bananas is Rs.30. find the price of 100 bananas.
a) 200
b) 250
c) 300
d) 350
Solution:(Direct proportion)
x : 30 :: 100 : 12 12x = 30 ×100
12x = 3000 x= 3000/12 = 250
A shopkeeper earned a profit of Rs.27 on selling goods for Rs.360. find the profit on selling goods for Rs. 100.
a) 5.5
b) 6.5
c) 7.5
d) 8.5
Solution: (Direct proportion)
x : 27 :: 100 : 360 360x = 27 ×100
360x = 2700 x= 2700/360 = 7.5
When we compare two or more than two quantities
of the same kind then that comparison is called…….
a) ratio
b) Percentage
c) competition
The value of one quantity in unit rate is always
a) zero
b) two
c) three
d) one
There are 14 cars and 12 bikes on the road. The ratio of cars to bike is……..
a) 12 : 7
b) 6 : 7
c) 7 : 6
d) 7 : 12