Mathematics
Grade-3-
Easy
Question
Which is a better estimate for the mass of the rugby ball?
- 50grams
- 400grams
- 4kg
- 400kg
Hint:
In the given question, it is asked to write the better estimate for the mass of a rugby ball. Hence, in this question, we need to analyze the options carefully and estimate the mass of a rugby ball.
The correct answer is: 400grams
Step by step solution:
In the given question, to find the estimate of the mass of the rugby ball shown in the picture, let us first analyze the options given.
option(a) 50 grams seems a little less than what a rugby ball should weigh. So, 50 grams cannot be the mass of a rugby ball.
option(b) 400 grams could be the mass of a rugby ball.
option(c) 4 kg cannot be the mass of a rugby ball because it will be very hard to even play with a 4 kg rugby ball because of the heavy mass.
option(d) 400 kg can never be the weight of a rugby ball. It is even bigger than the weight of a human being. Hence, it can never be the weight of a rugby ball.
Hence, we come to a conclusion that option(b) 400 grams is the better estimate for the mass of the rugby ball.
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