## Discy Latest Questions

Q. Three pipes A, B and C can fill a tank in 12 hours. After working together for 3 hours, C is closed and A and B can fill the remaining part in 16 hours, then find the time taken ...Read more

**Q. Three pipes A, B and C can fill a tank in 12 hours. After working together for 3 hours, C is closed and A and B can fill the remaining part in 16 hours, then find the time taken by C alone to fill the tank.**

**22 4/7 hrs**

**27 3/7 hrs**

**24 hrs**

**31 2/3 hrs**

Q. Find the number of zeros in the following multiplication: 25Ã—50Ã—75Ã—100Ã—125Ã—128Ã—150 7 11 13 9

**Q. Find the number of zeros in the following multiplication:**

**25Ã—50Ã—75Ã—100Ã—125Ã—128Ã—150**

**7**

**11**

**13**

**9**

Q. A simple interest of Rs.480 is obtained on a certain sum at a fixed rate for a certain time. If the sum is increased by 20%, the duration of time is made two-third and the rate of interest is ...Read more

**Q. A simple interest of Rs.480 is obtained on a certain sum at a fixed rate for a certain time. If the sum is increased by 20%, the duration of time is made two-third and the rate of interest is multiplied by 5/3, then how much interest will be received now?**

**Rs.360Â **

**Rs.640**

**Rs.720**

**Rs.600**

Q. A principal becomes 1.25 times in 2 years and 1.75 times in 3 years. Find the annual rate of compound interest during this period. 10% 20% 30% 40%

**Q. A principal becomes 1.25 times in 2 years and 1.75 times in 3 years. Find the annual rate of compound interest during this period.**

**10%**

**20%**

**30%**

**40%**

Q. Rahul was born 30 years after his father was born. His sister was born 25 years after his mother was born. The average age of the family is 26.25 years right now. His sister will get married 4 years ...Read more

**Q. Rahul was born 30 years after his father was born. His sister was born 25 years after his mother was born. The average age of the family is 26.25 years right now. His sister will get married 4 years from now and will leave the family. Then the average age of the family will be 107/3 years. What is the present age of his father?:**

**30 yearsÂ **

**35 years**

**40 years**

**45 years**

Q. In the adjoining figure, AB, EF and CD are parallel lines. Given that EG = 5 cm, GC = 10 cm and DC =18 cm, then EF is equal to: 11 cm 5 cm 6 cm 9 ...Read more

**Q. In the adjoining figure, AB, EF and CD are parallel lines. Given that EG = 5 cm, GC = 10 cm and DC =18 cm, then EF is equal to:**

**11 cm**

**5 cm**

**6 cm**

**9 cm**

Q. The total surface area of a solid right circular cylinder is twice that of a solid sphere. If they have the same radii, the ratio of the volume of the cylinder to that of sphere is given by ? 9:4 2:1 3:1 4:9

**Q. The total surface area of a solid right circular cylinder is twice that of a solid sphere. If they have the same radii, the ratio of the volume of the cylinder to that of sphere is given by ?**

**9:4**

**2:1**

**3:1**

**4:9**

Q. A, Band C are three points on a straight road located in the same order. P, Q and R started from A, B and C simultaneously and travelled towards C, C and B respectively. The speeds of P and ...Read more

**Q. A, Band C are three points on a straight road located in the same order. P, Q and R started from A, B and C simultaneously and travelled towards C, C and B respectively. The speeds of P and R are in the ratio of 2:1 and the distance between A and B, B and C are in the ratio 1:8. If all the three meet at the same point, find the ratio of the speeds of Q and R.**

**4:1**

**5:3**

**7:4**

**8:4**

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DIRECTIONS: Select the correct alternative from the given choices. The difference between the simple interest and the compound interest for two years on a certain sum is Rs.432 and for three years is Rs.1347.84. Find the sum. Rs.30,000 Rs.25,000 Rs.36,000 Rs.40,000

**DIRECTIONS: Select the correct alternative from the given choices.**

**The difference between the simple interest and the compound interest for two years on a certain sum is Rs.432 and for three years is Rs.1347.84. Find the sum.**

**Rs.30,000**

**Rs.25,000**

**Rs.36,000**

**Rs.40,000**