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Quantitative Aptitude

CLOCK MCQs

Total Questions : 223 | Page 7 of 23 pages
Question 61. At what time between 5:30 and 6 will the hands of a clock be at right angles?
  1.    $$43\frac{5}{{11}}$$ min. past 5
  2.    $$43\frac{7}{{11}}$$ min. past 5
  3.    40 min. past 5
  4.    45 min. past 5
 Discuss Question
Answer: Option B. -> $$43\frac{7}{{11}}$$ min. past 5
The correct option is A 43 (7/11) min. past 5
At 5 o'clock, the hands are 25 min. spaces apart.
To be at right angles and that too between 5.30 and 6, the minute hand has to gain (25 + 15) = 40 min. spaces.
55 min. spaces are gained in 60 min
40 min. spaces are gained in
(60/55×40) min=43 (7/11) min
Answer is 43 (7/11) min past 5
Question 62. At what angle the hands of a clock are inclined at 15 minutes past 5?
  1.    $$58{\frac{1}{2}^ \circ }$$
  2.    $${64^ \circ }$$
  3.    $$67{\frac{1}{2}^ \circ }$$
  4.    $$72{\frac{1}{2}^ \circ }$$
 Discuss Question
Answer: Option C. -> $$67{\frac{1}{2}^ \circ }$$
Question 63. The angle between the minute hand and the hour hand of a clock when the time is 4:20, is:
  1.    0º
  2.    10º
  3.    5º
  4.    20º
 Discuss Question
Answer: Option B. -> 10º
Question 64. At 3:40, the hour hand and the minute hand of a clock form an angle of:
  1.    120°
  2.    125°
  3.    130°
  4.    135°
 Discuss Question
Answer: Option C. -> 130°
Question 65. How many times are the hands of a clock at right angle in a day?
  1.    22
  2.    24
  3.    44
  4.    48
 Discuss Question
Answer: Option C. -> 44
Question 66. The angle between the minute hand and the hour hand of a clock when the time is 8:30, is:
  1.    80°
  2.    75°
  3.    60°
  4.    105°
 Discuss Question
Answer: Option B. -> 75°
Question 67. At what time between 4 and 5 o'clock will the hands of a watch point in opposite directions?
  1.    45 min. past 4
  2.    40 min. past 4
  3.    $$50\frac{4}{{11}}$$ min. past 4
  4.    $$54\frac{6}{{11}}$$ min. past 4
 Discuss Question
Answer: Option D. -> $$54\frac{6}{{11}}$$ min. past 4
Question 68. How many times in a day, are the hands of a clock in straight line but opposite in direction?
  1.    20
  2.    22
  3.    24
  4.    48
 Discuss Question
Answer: Option B. -> 22
Question 69. At what time between 9 and 10 o'clock will the hands of a watch be together?
  1.    45 min. past 9
  2.    50 min. past 9
  3.    $$49\frac{1}{{11}}$$ min. past 9
  4.    $$49\frac{11}{{1}}$$ min. past 9
 Discuss Question
Answer: Option C. -> $$49\frac{1}{{11}}$$ min. past 9
Question 70. At what time, in minutes, between 3 o'clock and 4 o'clock, both the needles will coincide each other?
  1.    $$5\frac{1}{{11}}$$ min. past 3
  2.    $$12\frac{4}{{11}}$$ min. past 3
  3.    $$13\frac{4}{{11}}$$ min. past 3
  4.    $$16\frac{4}{{11}}$$ min. past 3
 Discuss Question
Answer: Option D. -> $$16\frac{4}{{11}}$$ min. past 3

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