# TESCO Placement Paper For Graduates Part-3

**21. A cow is tethered in the middle of a field with a 14 feet long rope. If the cow grazes 100 sq. ft. per day, then approximately what time will be taken by the cow to graze the whole field ?**

1. 2 days

2. 6 days

3. 18 days

4. 24 days

5. None of these

**22. 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?**

1. 40

2. 30

3. 80

4. 60

**23. 2 numbers differ by 5.If their product is 336,then the sum of the 2 numbers is:**

1. 21

2. 51

3. 28

4. 37

**24. A radio when sold at a certain price gives a gain of 20%. What will be the gain percent, if sold for thrice the price?**

1. 280

2. 270

3. 290

4. 260

**25. x% of y is y% of ?**

1. x/y

2. 2y

3. x

4. cant be determined

**26. If the value of x lies between 0 & 1 which of the following is the largest?**

1. x

2. x2

3. -x

4. 1/x

**27. Thirty men take 20 days to complete a job working 9 hours a day. How many hour a day should 40 men work to complete the job?**

1. 8 hrs

2. 71/2 hrs

3. 7 hrs

4. 9 hrs

**28. A and B can do a piece of work in 45 days and 40 days respectively. They began to do the work together but A leaves after some days and then B completed the remaining work n 23 days. The number of days after which A left the work was**

1. 9

2. 11

3. 12

4. 15

5. 16

**29. On sports day, if 30 children were made to stand in a column, 16 columns could be formed. If 24 children were made to stand in a column, how many columns could be formed?**

1. 20

2. 30

3. 40

4. 50

**30. The probability that a man will be alive for 25 years is 3/5 and the probability that his wife will be alive for 25 years is 2/3. Find the probability that only the man will be alive for 25 years.**

1. 2/5

2. 1/5

3. 3/5

4. 4/5

(123)