Question

Cost of 10 pens and 18 balls is rs 280 what is cost of 15 pens and 27 balls

Answer 1

Answer:

Cost of 15 pens and 27 balls will be 420 rs

Step-by-step explanation:

Cost of 10 pens and 18 balls is rs 280

cost of 15 pens and 27 balls

If we observe the above two, number of pens and balls  are in the ration of 2:3 as compared first condition to required condition.

So cost will also be in the ratio of 2: 3 of 280 rs

280 x 1.5 = 420 rs

Cost of 15 pens and 27 balls will be 420 rs