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.
Rs 49
Let A's share  = x
   B's share = 2x
   C's share = 
According to the question,
         
          
            
 C's share  = 
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°
Switch
 then value of 
 is
 would be
