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16 Dec 2020, 08:30
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
57% (01:03) correct
43%
(00:38)
wrong
based on 35
sessions
History
Date
Time
Result
Not Attempted Yet
At 3:30 P.M. the angle between the hands of a clock is
(A) 90°
(B) 80°
(C) 75°
(D) 72°
(E) 65°
(A) 90°
(B) 80°
(C) 75°
(D) 72°
(E) 65°
16 Dec 2020, 09:02
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Formula:
The angle between hours and minutes hands (h hours and m minutes) is \(|30*h-11*\frac{m}{2}|\)
\(|30* 3 - 11 * \frac{30}{2}| = |-75| = 75 \)
Ans C
The angle between hours and minutes hands (h hours and m minutes) is \(|30*h-11*\frac{m}{2}|\)
\(|30* 3 - 11 * \frac{30}{2}| = |-75| = 75 \)
Ans C
16 Dec 2020, 12:30
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Angle moved by hour hand in 1/2 hr. = 360/12 *1/2 = 15 degree
At this moment, min hand made 90 degree
So, angle between both hands = 90-15= 75 degree.
Ans. C.
At this moment, min hand made 90 degree
So, angle between both hands = 90-15= 75 degree.
Ans. C.
