1.How many times do the hands of the clock coincide in a day?A) 23
Explanation:Between 11 and 1 i.e at 12 o’clock, clock hands coincide 11times in every 12hours .
2.How many times in a day the hands of a clock will have 180degree ?
Answer: B) 22
Explanation:Between 5 and 7 i.e at 6 o’clock clock hands opposite 11times in every 12hours.
3.How many times do the hands of the clock at right angle in a day?
Explanation:In 12hours both the hands are at right angled 22times.