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Question

A long jump competition is organised for boys.
Nikhil has the shortest jump of 3 metres 50 cm. Rohit's jump is 60 cm more than Nikhil's. Shashi's jump is 1 m 10 cm more than Rohit's jump.
How long is Shashi's jump?

A
4 m 10 cm
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B
4 m 60 cm
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C
5 m 10 cm
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D
5 m 20 cm
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Solution

The correct option is D 5 m 20 cm
Distance covered by Nikhil = 3 m 50 cm
1 m = 100 cm
Distance covered by Rohit's jump = 60 cm more than Nikhil's jump
= 60 cm + 3 m 50 cm
= 60 cm + 300 cm + 50 cm
= 410 cm

Distance covered by Shashi's jump = 1 m 10 cm more Rohit's jump
= 1 m 10 cm + 410 cm
= 100 cm + 10 cm + 410 cm
= 520 cm
= 500 cm + 20 cm
= 5 m 20 cm

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