How many degrees are included between the hands of a clock at 4.00?
A
50 degree
B
45 degree
C
75 degree
D
120 degree
Correct Answer: 120 degree
ব্যাখাঃ ঘড়ির ঘন্টা ও মিনিটের কাঁটার মধ্যবর্তী কোণ = | 11M - 60h /2 | = | 11×0 - 60×4 /2 | = | - 240/2| = 1200