Municipal Secretary Grade 3

6l. The sides ofatriangle are 3 cms., 4 cms. and 5 cms. What is its area?
(a) 6 sq.rcms. (b) 7.6 sq, cms.
(c) 8 sq. cms. (d) 9 sq. cms.
62. What is the difference between the squares of 2002 and 1998?
(a) 8000 (b) 16000
(c) 24000 (d) None of these
63. If the product of 2.5 and 1.8 is 4.5, what is the product of 0.025 and 0.0187
(a) 0.045 (b) 0.0045 ‘
(c) 0.00045 (d) 0.000045
64. How many one centimetre cubes can be cut out of a one metre cube'?
(a) 10000000 (b) 1000000
(c) 100000 ‘(d) 10000
65. The ratio ofthe angles of a triangle is 1 :2 : 3. If the length of the longest side of that triangle is 10 cms., what is the length of its shortest side?
(a) 5 cms (b) 5 root 3 cms
(c) 5 root 2 cms (d) None of these
16. What is the ratio of the volumes of two balls, one of diarneter 2 cms. and the other of diameter 4 cms.?
(a) l :2 (b) l :4
(c) l : 8 (d) None of these
67. Hari is 3 years older than Krishna who is 5 years younger than Sita. How old Sita will be when Hari is 60?
(a) 52 (b) 62
(c) 63 (d) 68
68. Calculate the time taken by a train running at a speed of 100 kms/hr to pass through one kilometre long bridge:
(a) 36 seconds (b) 45 seconds
(c) 48 seconds (d) Data insufficient
69. Rama and Krishna are partners in business. At the beginning ofthe year Rama invests three times as much as Krishna, but withdraws half the amount six months later. What will be the ratio of their dividends at
the end ofthe year?
(a) 7 : 5 (b) 7 : 4
(c) 9 : 5 (dl 9 : 4
70. In a sketch prepared by a surveyor a one kilometre road is 10 cms. long. lfeverything is drawn in the same scale, what is the actual area ofa garden marked by a rectangle of 0.5 *(multiply) 0.3 cm.?
(a) 15 sq. meters (b) 150 sq. meters
(c) 1,500 sq. meters (d) 15,000 sq. meters


ANSWERS

61. a, 62. b, 63. c, 64. b, 65. a, 66. c, 67. b, 68. d, 69. b, 70. c


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