Q. When will be both hands of a clock at right angle, between 8pm and 9pm?- Published on 07 Jul 17a. 29 (8/11) minutes past 8 pm
b. 27 (3/11) minutes past 8 pm
c. 25 (7/11) minutes past 8 pm
d. 24 (5/11) minutes before 9 pm
ANSWER: 27 (3/11) minutes past 8 pm