SSC CGL Tier 1 :: QA Test 42
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# SSC CGL Tier 1 Quantitative Aptitude Questions and Answers Free Online Mock Test 42

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Exercise

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
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
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
4 . 'O' is the circumcentre of triangle ABC. If ∠BAC = 50° then ∠OBC is
 100° 40° 130° 50°
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
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 :—
 15 8 10 13.3
7 .
 50% 40% 75% 25%