Question

At 3 : 40 hrs the hour hand and the minute hand of a clock form an angle of (a) 1100 (b) 1200 (c) 1400 (d) 1300 (e) none of these

Answer 1

$40 \times \frac{11}{2} = 220 .....(1)\\ 3 \times 30 = 90.....(2) \\ using \: (1) \: and \: (2) \: \\ 220 - 90 = 130 ^{0}$
so option is (d)