Subject :IMO Class : Class 7
30% of the fruits in a bag are apples. 50% of the remaining are oranges and the rest are pears. What fraction of the fruits are pears ?
A
B
C
D
Ans 1:
Class : Class 9
All fruits together = 100% OR x
Apples = 30% of x OR 30/100 of x
= 3/10 x
Oranges= 50% of (x - 3/10 x) OR 1/2 of (x - 3/10 x)
= 1/2 of 7/10 x
= 7/20 x
Pears = 20/20(All Fruits) - {6/20(Apples) + 7/20(Oranges)}
= 20/20 - 13/20
= 7/20
Therefore it is clear that 7/20 of all fruits is pears.
Hope this was helpful!
Ans 2:
Class : Class 7