Tick (✓) the correct answer:
If 8 oranges cost Rs. 10.40, how many oranges can be bought for Rs. 33.80?
(a) 13
(b) 18
(c) 26
(d) 24
The correct option is (c): 26
Let xbe the number of oranges.
No. of Oranges8xCost (in rupees)10.4033.80
More oranges will cost more. So, it is direct relation between no. of oranges and Cost of oranges.
Now, 810.40=x33.80
⇒x=8×33.8010.40
⇒x=26
Therefore, 26 oranges can be bought for Rs. 33.80.