A boat goes 20 km downstream in 30 mins. The speed of the st - Exam Yatra

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IB ACIO Grade II Previous Paper 5 (Held on: 18 Feb 2021 Shift 1)
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English
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Deep Orange
Brown
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A boat goes 20 km downstream in 30 mins. The speed of the stream is 10 km/h. Find the speed of the boat.

[IB ACIO Grade II Previous Paper 5 (Held on: 18 Feb 2021 Shift 1)]

A

45 km/h

B

20 km/h

C

60 km/h

D

30 km/h

EXPLANATION

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