For the following questions answer them individually
Mr. is the only son of Ms. Y’s grandfather. If Mr. X has no brothers or sisters and his
father is Ms. Y’s grandfather, then Mr. X is Ms. Y’s .........
CE, Fl, JL, MP, QS, ?_
Which of the following does NOT belong to this aroup?
If the hour hand of a clock moves by $$18^\circ$$ then by how many degrees does the minute hand move during the same time?
At what time between 4 o'clock and 5 o'clock will the two hands of the clock be at the right angle to each other for the first time?