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Puneet sachdev from Vibgyor Rise, Mumbai
Subject :IMO    Class : Class 6

How many right angles does the hour hand of a clock turn when it moves from 6 to 12?

A 1
B 2
C 3
D 4


It should be 4

Ans 1:

Dipanjana Paul from KENDRIYA VIYALAYA O.F DUM DUM , Kolkata
Class : Class 6
the answer should be 2

Ans 2:

Bhoomika from Cornerstone, Hyderabad
Class : Class 7
Answer should be D(4). 6 to 9, 7 to 10, 8 to 11, 9 to 12. Angle of each hour is 30 degree, so every 3 hours is a 90 degree.

Ans 3:

Taanvi from , Bangalore
Class : Class 9
Answer is correct

Ans 4:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 8
answer is correct

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