1.  Perimeter of front wheel =30, back wheel = 20. If front wheel revolves 240 times. How many revolutions will the back wheel take?
Ans: 360 times

2. Perimeter of the back wheel = 9 feet, front wheel = 7 feet on a certain distance, the front wheel gets 10 revolutions more than the back wheel .What is the distance?
Ans : 315 feet

3. 20% of a 6 litre solution and 60% of 4 litre solution are mixed. What percentage of the mixture of solution
Ans: 36%

4. There are two circles, one circle is inscribed and another circle is circumscribed over a square. What is the ratio of area of inner to outer circle?
Ans: 1 : 2

5. In a class, except 18 all are above 50 years.15 are below 50 years of age. How many people are there

(a) 30          (b) 33        (c) 36          (d) none of these.
Ans: (d)

6. If A/B = 3/5,then 15A = ?
Ans:  9B

7. Find the value of ( 0.75 * 0.75 * 0.75 - 0.001 ) / ( 0.75 * 0.75 - 0.075 + 0.01)

(a) 0.845   (b) 1.908    (c) 2.312     (d) 0.001
Ans: (a)

8. City A's population is 68000, decreasing at a rate of 80 people per year. City B having population 42000 is increasing at a rate of 120 people per year. In how many years both the cities will have same population?
Ans: 130 years

9. Which of the following fractions is less than 1/3

(a) 22/62       (b) 15/46           (c) 2/3          (d) 1
Ans: (b)

10. Each side of a rectangle is increased by 100% .By what percentage does the area increase?
Ans: 300%

11. A person wants to buy 3 paise and 5 paise stamps costing exactly one rupee. If he buys which of the following number of stamps he won't able to buy 3 paise stamps.
Ans: 9

12. Three types of tea the a,b,c costs Rs. 95/kg,100/kg and70/kg respectively.How many kgs of each should be blended to produce 100 kg of mixture worth Rs.90/kg, given that the quantities of band c are equal

a)70,15,15       b)50,25,25         c)60,20,20      d)40,30,30
Ans: (b)

13. There are 12 boys and 15 girls, How many different dancing groups can be formed with 2 boys and 3 girls.

14. If a boat is moving in upstream with velocity of 14 km/hr and goes downstream with a velocity of 40 km/hr, then what is the speed of the stream ?

(a) 13 km/hr    (b) 26 km/hr    (c) 34 km/hr   (d) none of these
Ans: (a)

15. Two cars are 15 kms apart. One is turning at a speed of 50kmph and the other at 40kmph . How much time will it take for the two cars to meet?
Ans: 3/2 hours