# RD Sharma Solutions Class 6 Mathematics Solutions for Knowing your numbers Exercise 1.5 in Chapter 1 - Knowing your numbers

Question 2 Knowing your numbers Exercise 1.5

A box of medicine tablets contains 2, 00, 000 tablets each weighing 20mg. What is the total weight ofall the tablets in the box in grams? In kilograms?

It is given that Weight of each tablet = 20mg

So we get

Weight of 2, 00, 000 tablets = 2, 00, 000 × 20

We get the weight of 2, 00, 000 tablets = 40, 00, 000mg

We know that Total weight of tablets in the box = 40, 00, 000mg

It can be written as 1g = 1000mg

So the weight of box having tablets = 40, 00, 000/ 1000 = 4000g

We know that 1kg = 1000g

So the weight of box having tablets = 4000/ 1000 = 4kg

Therefore, the total weight of all the tablets in the box is 4000g or 4kg.

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