Multiple Choice QuestionsA 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
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
A discount series of 15%, 20% and 25% is equal to the single discount of
48%
49%
50%
50%
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
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
There are 1400 students in a school, 25% of those wear spectacles 
of those wearing spectacles are boys. How many girls in the school wear spectacles?
250
100
200
200
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
Possible measures of three angles of a triangle are
33°, 42°, 115°
40°, 70°, 80°
30°, 60°, 100°
30°, 60°, 100°
then value of 
is
would be
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