**Maths Quiz for SSC CGL**

1. Two workers

**A**and**B**are engaged to do a work. A working alone takes 32 days more to complete the job than if both worked together. If B worked alone, he would take 8 days more to complete the job than they both working together. What time would they take to do the work together?- 12 days
- 16 days
- 8 days
- 18 days

2. If 1 x 2 x 3 x............ x n is denoted by n!. Then (8! - 7! - 6!) is equal to

- 6 x 8 x 6!
- 7 x 8 x 6!
- 6 x 7 x 8!
- 7 x 8 x 7!

4. Pragati and Gupta leave points X and Y towards Y and X respectively simultaneously and travel in the same route. After meeting each other on the way, Pragati takes 4 hours to reach her destination, while Gupta takes 9 hours to reach his destination. If the speed of Pragati is 48 km/h. What is the Speed of Gupta?

- 72 km/h
- 32 km/h
- 2 km/h
- None of these

5. Find the length of the string bound on a cylindrical tank whose base diameter and height are 56/5 cm and 48 cm respectively. The string makes exactly 4 complete turns around the cylinder, while its two ends touch the tank's top and bottom.

- 75 cm
- 70 cm
- 60 cm
- 80 cm

7. Mr. Kumar drives to work at an average speed of 48 km/hr . The time taken to cover the first 60% of the distance is 10 minutes more than the time taken to cover the remaining distance. How far is his office?

- 30 km
- 40 km
- 45 km
- 48 km

9. Fresh fruit contains 68% water and dry fruit contains 20% water. How much dry fruit can be obtained from 100 kgs of fresh fruit?

- 32 kgs
- 40 kgs
- 52 kgs
- 80 kgs

10. Two guns are fired from the same place at an interval of 6 minutes. A person approaching the place observes that 5 minutes 52 seconds have elapsed between the hearing of the sound of the two guns . If the velocity of the sound is 330 m/sec, the man was approaching that place at what speed( in km/hr)?

- 24
- 27
- 30
- 36

**Solutions**

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