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A clock buzzes 1 time at 1 O'clock, 2 ti...

A clock buzzes 1 time at 1 O'clock, 2 times at 2 O'clock, 3 times at 3 O'clock and so on. What will be the total number of buzzes in a day ?

A

a. 150

B

b. 156

C

c. 100

D

d. None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Number of buzzes in day
`= (12(12 + 1))/(2) xx 2 = 156`
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