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Mukul Choudhary

· started a discussion

· 1 Months ago

Doubt (Question: 194968.0 )

But hour hand also moves with minute hand..then how the angle be at 90 degrees at 9.15 and 9.45?

Question:
During 9:00 AM to 2:00 PM, how many times both the hands make an angle of 90º ?
Options:
A) 10
B) 9
C) 8
D) 12
Solution:
Ans: (a) During one hour usually both the hands make 90º angle twice. Thus during five hours both the hands make 5 × 2= 10 times.

Knowledge Expert

· commented

· 1 Months ago

Dear student,

Usually, it makes 90 ..not accurately....

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