1)A trader earns a profit of 20% after giving a discount of 10% on the marked price. How much percent more than cost price should he mark his marked price?
a)30%
b) 33(1/3)%
c) 34(2/3)%
d) 35%
e) None of these

2)If the compound interest on a certain sum of money for 2 years at 4% per annum be Rs. 2448, what would be the simple interest on the same sum for 2 years at the same rate?
a) Rs2500
b) Rs2400
c) Rs2360
d) Rs2250
e) None of these

3)The circumference of base of a circular cylinder is 6π cm. The height of the cylinder is equal to diameter of the base. Maximum amount of water that can be poured in the cylinder is?
a) 54π cm3
b) 36πcm3
c) 0.054π cm3
d) 0.54π cm3
e) None of these

4)Three years back, the average age of 5 members of a family was 17 years. After a child is born and now the average age of the family remains same. What is the present age of the child?
a) 3 years
b) 2 years
c) 1 1/2 years
d) 1 year
e) None of these

5)A tap can fill a tank in 12 hours. After 4 hours it get closed and rest part of the tank was filled by a pipe in 15 hours. In how many hours the tank will be filled by pipe only?
a) 22.5
b) 24.5
c) 24
d) 18.5
e) None of these

Directions (6-15): What should come in place of question mark (?) in the following questions:

6)4 + 4.44 + 0.4 + 44.04 + 444 = ?
a) 486.48
b) 496.88
c) 486.88
d) 496.84
e) None of these

7)(?)^2 + (65)^2 = (160)^2 – (90)^2 – 7191
a) 72
b) 68
c) 6084
d) 78
e) 82

8)0.07 % of 1250 – 0.02 % of 650 = ?
a) 0.745
b) 0.875
c) 0.545
d) 0.695
e) None of these

9)sqroot(6.25) / 0.5 = ?/10
a) 5
b) 500
c) 50
d) 2.5
e) None of these

10)1/8 * (223 + ?) = 73
a) 361
b) 371
c) 341
d) 391
e) None of these