**Q1. The HCF and LCM of 2 numbers are 44 and 264 respectively if the first number is divided by 2, the quotient is 44. The other no is. ?**

(a) 147

(b) 528

(c) 132

(d) 264

**Q2. The least number which when divided by 4, 6, 8, 12 and 16 leaves a remainder 2 in each case ? **

(a) 46

(b) 48

(c) 50

(d) 56

**Q3. Find the greatest number of 5 digits which when divided by 3, 5, 8, 12 have 2 as remainder ? **

(a) 99999

(b) 99958

(c) 99960

(d) 99962

**Q4. A, B, C start running at the same time and at the same point in the same direction in a circular stadium. A completes round is 252 sec, B in 308 sec & C in 198 seconds. After what time will they meet again at the starting point ? **

(a) 26 minutes 18 sec

(b) 42 m 36 sec

(c) 45 m

(d) 46 m 12 sec

**Q5. Find the largest number of 4 digits such that on dividing by 15, 18, 21 and 24 the remainders are 11, 14, 17 and 20 respectively ? **

(a) 6557

(b) 7556

(c) 5675

(d) 7664

**Q6. Which is the least number which when doubled will be exactly divisible by 12, 18, 21 and 30 ? **

(a) 2520

(b) 1260

(c) 630

(d) 196

**Q7. If the students of a class can be grouped exactly into 6 or 8 or 10, then the minimum number of students in the class must be ?**

(a) 60

(b) 120

(c) 180

(d) 240

**Q8. A number which when divided by 10 leaves remainder 9, when divided by 9 leaves a remainder of 8, and when divided by 8 leaves a remainder of 7 is ?**

(a) 1539

(b) 539

(c) 359

(d) 1359

**Q9. What least no. must be subtracted from 1936 so that the resulting number when divided by 9, 10 and 15 will leave in each case the same remainder 7 ? **

(a) 37

(b) 36

(c) 39

(d) 30

**Q10. Three bells ring simultaneously at 11 am. They ring at regular interval of 20 minutes, 30 min and 40 min respectively. The time when all three ring together next is ?**

(a) 2 pm

(b) 1 pm

(c) 1.15 pm

(d) 1.30 pm

**Solutions:**

**कैसे करें RRB NTPC की तैयारी**

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