Subject

Quantitative Aptitude

Class

SSCCGL Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

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51.

A and B can together do a piece of work in 6 days and A alone can do it in 9 days. The number of days B will take to do it alone is

  • 18 days

  • 24 days

  • 9 days

  • 9 days


A.

18 days

A and B together takes  = 6 days
and A together takes = 9 days
So,   B alone would take = fraction numerator 6 cross times 9 over denominator 9 minus 6 end fraction space equals fraction numerator begin display style space 54 end style over denominator 3 end fraction days space equals space 18 space days

249 Views

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52.

The length of the two parallel sides of a trapezium are 16m and 20 m respectively. If its height is 10 m, its area in square metres is:

  • 360

  • 260

  • 240

  • 240

271 Views

53.

A discount series of 15%, 20% and 25% is equal to the single discount of

  • 48%

  • 49%

  • 50%

  • 50%

235 Views

54.

Rs.490 is divided among A, B and C such that A's share is half that of B's and thrice that of C's. What is C's share?

  • Rs 49

  • Rs 147

  • Rs 294

  • Rs 294

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55.

A dealer sold an article at 6% loss. Had he sold it for Rs 64 more, he would have made a profit of 10%. Then the cost of the article is

  • Rs.400

  • Rs.200

  • Rs.164

  • Rs.164

459 Views

56.

There are 1400 students in a school, 25% of those wear spectacles 2 over 7 of those wearing spectacles are boys. How many girls in the school wear spectacles?

  • 250

  • 100

  • 200

  • 200

220 Views

57.

A man can row upstream at 12 km/hr and downstream at 18 km/hr. The man's rowing speed in still water is

  • 15 km/hr

  • 5 km/hr

  • 3 km/hr

  • 3 km/hr

394 Views

58.

If ab = 21 and fraction numerator left parenthesis straight a plus straight b right parenthesis squared over denominator left parenthesis straight a minus straight b right parenthesis end fraction space equals space 25 over 4 then value of straight a squared plus straight b squared plus 3 ab is

  • 115

  • 121

  • 125

  • 125

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59.

The value of  would be

  • 1

  • 0

  • 0

136 Views

60.

Possible measures of three angles of a triangle are

  • 33°, 42°, 115°

  • 40°, 70°, 80°

  • 30°, 60°, 100°

  • 30°, 60°, 100°

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