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Shaashwaat Mittal

· started a discussion

· 1 Months ago

Question Answer mis-match (Question: 76098.0 )

Here, the question is asking for the angle made by the Hours hand, however the answer is talking about the hours needle movement in 30 mins.

Question:

What is the angle traced by hour hand between 3:45 am to 4:15 am?

Options:
A) 30o 
B) 15o 
C) 18o 
D) 36o 
Solution:
Ans: (b) ∴ Angle traced by minutes hand in 1 minute = \(\left ( \cfrac {1}{2} \right )^o\).

3:45 a.m. to 4:15 a.m. = 30 minutes

∴ Angle traced by hour hand in 30 minutes = 30 × \(\cfrac{1}{2}^o\)= 15o.

Knowledge Expert

· commented

· 1 Months ago

Dear student
We have fixed it.

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