Q.1) 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

1) 18 days

2) 12 days

3) 24 days

4) 9 days

Q.2) The length of the two parallel sides of a trapezium are 16 m and 20 m respectively. If its height is 10 m, its area in square metres is:

1) 360

2) 260

3) 240

4) 180

Q.3) A discount series of 15%, 20% and 25% is equal to the single discount of?

1) 48%

2) 49%

3) 50%

4) 51%

Q.4) 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?

1) Rs.49

2) Rs.147

3) Rs.294

4) Rs.245

Q.5) 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

1) Rs.400

2) Rs.200

3) Rs.164

4) Rs.464

Q.6) There are 1400 students in a school, 25% of those wear spectacles and 2/7 of those wearing spectacles are boys. How many girls in the school wear spectacles?

1) 250

2) 100

3) 200

4) 300

Q.7) A man can row upstream at 12 km/hr and downstream at 18 km/hr. The man’s rowing speed in still water is

1) 15 km/hr

2) 5 km/hr

3) 3 km/hr

4) 10 km/hr

Q.8) If ab = 21 and (a+b)^2/(a−b)^2 =25/4 then find the value of a^2+b^2+3ab?1) 115

2) 121

3) 125

4) 127

Q.9) The value of (d^(5+t)/d^t )/d^5 t would be

1) d^2(5+t)

2) 1

3) 0

4) d^t

Q.10) Possible measures of three angles of a triangle are:

1) 33°, 42°, 115°

2) 40°, 70°, 80°

3) 30°, 60°, 100°

4) 50°, 60°, 70°