**1. If Rs. 1000 be invested at an interest rate of 5% and the interest be added to the principal every 12 years then the number of years in which it will amount to Rs. 2000 is?**

1. 5 years

2. 10 years

3. 15 years

4. 17 years

**Sol: 17 years**

**2. If Rs. 500 amounts to Rs. 725 at 9% simple interest in same time. What will Rs. 600 amount to at 11% in same time?**

1. Rs. 930

2. Rs. 700

3. Rs. 850

4. Rs. 900

**Sol : Rs. 930**

**3. Raman bought 200 dozen oranges at Rs. 12 a dozen. He spent Rs. 600 on transportation. He sold them at Rs. 1.20 each. What was his profit or loss %?**

1. 5% profit

2. 4% profit

3. 5% loss

4. 4% loss

**Sol : 4% loss**

**4. A can do 1/5 of a work in 5 days and B can do 2/5 of the work in 10 days. In how many days both A and B together can do the work?**

1. 13 days

2. 12.5 days

3. 12 days

4. 13.3 days

**Sol : 12.5 days**

**5. Sound travels 330 meters a second. If the sound of thunder cloud follows the flash after 12 seconds, the thunder cloud is at a distance of ?**

1. 3 km

2. 3.96 km

3. 4 km

4. 4.69 km

**Sol : 3.96 km**

**6. 50 liters of mixture of milk and water contains 10% of water. The water to be added to make the water content 20% in the new mixture is?**

1. 4.5 litre

2. 6 litre

3. 5.5 litre

4. 6.25 litre

Sol : 6.25 litre

**7. The ratio of the present ages of A and B is 7:9. If 11 years ago the ratio of their ages be 5:8, then find the present age of B?**

1. 27 years

2. 26 years

3. 24 years

4. 29 years

**Sol : 27 years**

**8. The diameter of a bus wheel is 140 cm. The speed of the bus is 66 km/h. What is the number of revolutions of the wheel per minute?**

1. 410

2. 250

3. 310

4. 284

**Sol : 250**

**9. If 3 sin θ + 4cosθ = 5, then 3 cos θ - 4 sinθ equal to –**

1. 0

2. 1

3. 5

4. 3

**Sol : 0**

**10. The average of five numbers is 306.4. Average of first two number is 431 and last two numbers is 214.5. Find the third number.**

1. 239

2. 241

3. 243

4. 245

**Sol : 241**

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MAHENDRA GURU