**1.**In how many different ways can the letter of the word ‘COFFEE’ be arranged so that vowels never come together?

1. 36

2. 180

3. 144

4. 720

5. None of these

**SOL : 144**

2.If the simple interest on a certain sum of money for 3 years at the rate of 12.5% per annum is 192 . Find the compound interest on the same sum, same time and same rate of interest ?

2.

1. 217

2. 218

3. 219

4. 220

5. 229

**SOL : 217**

3.If the ratio of ages five years ago of A and B was 7 : 6 and the average age of A and B at present is 57 years. What will be the age of A after 5 years?

3.

1. 56

2. 66

3. 60

4. 50

5. 36

**SOL : 66**

4.A train is moving and crossing a man who is running at a platform of 100 m at a speed of 6 k/h. in the direction of the train, in a see. If the speed of the train is, 78k/h. find the length of the train.

4.

1. 180 m

2. 80 m

3. 120 m

4. Can’t be determined

5. 240 m

**Sol : 180 m**

5.If the average weight of 5 persons in a group is 60 kg. The average weight increased by 1 kg. When a person left, the group and a new person join the group. What is the weight of new coming person?

5.

1. 65 kg.

2. 60 kg.

3. 55 kg.

4. Can’t be determined

5. 58 kg

**Sol : Can’t be determined**

6.In a 48 litre mixture the ratio of milk and water is 5:3. How much water should be added in the mixture so as the ratio will become 3:5?

6.

1. 32 lit.

2. 8 lit.

3. 16 lit.

4. 10 lit.

5. 80 lit.

**Sol : 32 lit.**

7.In a bag 5-Red, 4-Green and 3-Black balls if 3-ball are drawn at random-

7.

What is the probability that none ball is Black?

1. 7/55

2. 21/55

3. 17/110

4. 19/110

5. 8/55

**Sol : 7/55**

8.If the income of Ram is 20% more than Shyam and the income of Mohan is 3/5 of income of Shyam and the difference between income of Ram and Mohan is 18000. What will be the 12.5% of total income of Shyam and Mohan?

8.

1. 48000

2. 6000

3. 84000

4. 12000

5. 8000

**Sol : 6000**

9.A, B and C can do a piece of work in 20, 25 and 30 days respectively. After 2 days of start of work A quits and 3 days after A, B quits. In how many days the total work would be finished.

9.

1. 21 days

2. 15 days

3. 10 days

4. 12 days

5. Data inadequate

**Sol : 21 days**

10.Pure milk costs Rs. 12 per litre. A milkman adds some water to 16 litres of pure milk and sells the mixture at Rs. 10 per litre by making 25% profit. How many litres of water does he added?

10.

1. 5 litre

2. 8 litre

3. 13 litre

4. 16 litre

5. 21 litre

**Sol : 8 litre**

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MAHENDRA GURU