# 3i Infotech Placement paper For Freshers Part-2

**11.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

**12.2 hours after a freight train leaves Delhi a passenger train leaves the same station travelling in the same direction at an average speed of 16 km/hr. **

**After travelling 4 hrs the passenger train overtakes the freight train. The average speed of the freight train was?**

A. 30 B. 40 C.58 D. 60

**13.If 9x-3y=12 and 3x-5y=7 then 6x-2y = ?**

A.-5 B. 4 C. 2 D. 8

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

Ans: 5c1/ 9c1

**15.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**

Ans: Rs 66/-

**16.1/3 of girls , 1/2 of boys go to canteen .What factor and total number of classmates go to canteen.**

Ans: Cannot be determined.

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

Ans: 42.857%

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

Ans. 11/14

**19.There are two candles of equal lengths and of different thickness. The thicker one lasts of six hours. **

**The thinner 2 hours less than the thicker one. Ramesh lights the two candles at the same time. **

**When he went to bed he saw the thicker one is twice the length of the thinner one. How long ago did Ramesh light the two candles .**

Ans: 3 hours.

**20. If p/q = 5/4 , then 2p+q= ?**

**If PQRST is a parallelogram what it the ratio of triangle PQS & parallelogram PQRST .**

Ans: 1:2

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