# ZS Associates Aptitude-Paper 3

1. If 13 = 13w/(1-w), then (2w)2 =?
A. 1/4
B. 1/2
C. 1
D. 2

2. If a and b are positive integers and (a-b)/3.5 = 4/7, then?
A. b < a
B. b > a
C. b = a
D. b >= a

3. In June a baseball team that played 60 games had won 30% of its game played. After a phenomenal winning streak this team raised its average to 50%. How many games must the team have won in a row to attain this average?
A. 12
B. 20
C. 24
D. 30

4. M men agree to purchase a gift for Rs. D. If three men drop out how much more will each have to contribute towards the purchase of the gift?
A. D/(M-3)
B. MD/3
C. M/(D-3)
D. 3D/(M2-3M)

5. A company contracts to paint 3 houses. Mr.Brown can paint a house in 6 days while Mr.Black would take 8 days and Mr.Blue 12 days. After 8 days Mr.Brown goes on vacation and Mr. Black begins to work for a period of 6 days. How many days will it take Mr.Blue to complete the contract?
A. 7
B. 8
C. 11
D. 12

6. There are 5 red shoes, 4 green shoes. If one draw randomly a shoe, what is the probability of getting a red shoe?

7. What is the selling price of a car? If the cost of the car is Rs.60 and a profit of 10% over selling price is earned?

8. The price of a product is reduced by 30% . By what percentage should it be increased to make it 100%?

9. There is a square of side 6cm. A circle is inscribed inside the square. Find the ratio of the area of circle to square?