• # question_answer Where will the hour hand of a clock stop if it starts. (a) from 6 and turns through 1 right angle? (b) from 8 and turns through 2 right angle? (c) from 10 and turns through 3 right angle? (d) from 7 and turns through 2 straight angle?

 We all know that in 12 hours hour-hand turns through 4 right angles. In a turn of 1 right angle, the hour hand moves 3 hours. (a) Its hours hand stops at $(6+3)i.e.,9$ (b) Its hours hand stops at $(8+2\times 3)i.e.,\,14\,\,i.e.,2$ (c) Its hours hand stops at $(10+3\times 3)i.e.,\,19\,\,i.e.,7$ (d) Its hours hand stops at $(7+4\times 3)i.e.,\,19\,\,i.e.,7$