# ssc cgl tier 1 :: quantitative aptitude :: qa test 42

## Home ssc cgl tier 1 / quantitative aptitude Questions and Answers

1 .If in a triangle ABC, BE and CF are two medians perpendicular to each other and if AB = 19 cm and AC = 22 cm then the length of BC is
19.5 cm
13 cm
20.5 cm
26 cm
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2 .20 men can do a piece of work in 18 days. They worked together for 3 days, then 5 men joined them. In how many more days is the work completed ?
15
14
13
12
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3 .The height of a triangle is increased by 10%. To retain the original area of the triangle, its corresponding base must be decreased by ?
A. 9$1\over8$%
B. 9$1\over7$%
C. 9$1\over11$%
D. 10%
a
b
c
d
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4 .'O' is the circumcentre of triangle ABC. If âˆ BAC = 50Â° then âˆ OBC is
100Â°
40Â°
130Â°
50Â°
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5 .A man bought a watch at 25% discount on the original price. He got  40 more than the original price by selling it at 140% of the price at which he bought. The price of buying the watch was ?
600
 900
800
` 700
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6 .Two circles of radii 10 cm and 8 cm intersect and the length of the common chord is 12 cm. Then the di stance between their centres is :â€”
15
8
10
13.3
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7 .
50%
40%
75%
25%
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8 .The approximate percentage increase in quantity from 1997 to 1998 was ?
26.9%
27.8%
26.5%
27.3%
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9 .The difference between the bags exported in 1999 and 2000 was ?
15000000
10000000
20000000
5000000
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10 .Value per bag was minimum in the year ?
1999
1996
1997
2001
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