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Brijesh Yadav

· started a discussion

· 1 Months ago

9 times

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,

If it was given "between 9:00 to 2:00", then it has to be 9. But for "During 9:00 to 2:00", 10 is the right answer.

Hope you got it.

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