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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?

Answer:

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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