Question

Reena bought 5 toys for a certain sum. The average price she paid for each toy was Rs. 125.

Which of these could NOT have been the price of one of these toys?

a)50rs. b)200rs. c)450 rs. d)rs.650

Answer 1

Answer:

Given total cost of 5 pens and 10 pencil = Rs 30

5 pens + 10 pencils = 30

pens + 2 pencils = 1

also given pen cost 3 more than a pencil

i.e, pen = 3 + pencil.

pen - pencil = 3

pens + 2 pencils = 6

_______________

-3 pencils = -3

pencils = 1

pen - 1 = 3

pen = 4

cost of pencils = 1 cost of pen = 4

solution.do it in the same method