Q. An accurate clock show 8 o’ clock in the morning. The hour hand then rotates by 90o. The time in the clock is:
A) 9 o’clock
B) 10 o’ clock
C) 11 o’clock
D) 12 o’clock

• The hour hand moves 30 degree in every hour,i.e 360/12=30 degree. So in 3hours will cover 90 degrees .(8+3=11 o' clock)
• 8 years agoHelpfull: Yes(9) No(0)
• 360/12=30 degree,,,,,,so clock hour hand will move to 11
• 8 years agoHelpfull: Yes(3) No(4)
• 11 o clock as from 9 o clock to 12 o clock is 90 degrees so 8 is one less than nine and hence tha answer will be one less than 12 that is 11 o clock
• 8 years agoHelpfull: Yes(1) No(0)
• 11 0 clock
• 7 years agoHelpfull: Yes(1) No(0)
• As, it is exactly at 8'o clock
  In between 8-9=30 deg, 9-10=30 d, 10-11= 30d
  it moved 90 deg so 11
• 5 years agoHelpfull: Yes(0) No(0)
• As, it is exactly at 8'o clock
  In between 8-9=30 deg, 9-10=30 d, 10-11= 30d
  it moved 90 deg so 11
• 5 years agoHelpfull: Yes(0) No(0)
• C) 11 o' clock
  soln: between 8 to 9 hour hand covers 30o, so between 8 to 11 it covers 90o
• 5 years agoHelpfull: Yes(0) No(0)
• 11 o'clock
• 3 years agoHelpfull: Yes(0) No(0)