Work out the weights

Exercise and reference answers

Questions

1. Answer

   9

   Question

   Weight in grams of one 5-rupee coin?

2. Answer

   90

   Question

   Weight in grams of ten 5-rupee coins?

3. Answer

   4080

   Question

   Food in kg an elephant eats in 30 days?

4. Answer

   9

   Question

   How many coins push up 10 mL of water?

Instructions

Type the number only.

Explanation