## 1. Find the least number which when divided by 12, 15, 18 and 27 leaves remainders 10, 13, 16 and 25 respectively.

- A. 540
- B. 538 -Ans
- C. 542
- D. 552

## 2. What is the highest common factor of 360 and 450?

- A. 90-Ans
- B. 45
- C. 10
- D. 9

## 3.If the product of two numbers is 2646 and their LCM is 42 then their HCF is:

- A.64
- B.26
- C.46 NOT ANSWRED
- D.63

## 4. Find the LCM of 0.63, 10.5, 2.1, 4.20

- A. 63 -Ans
- B. 0.63
- C. 6.30
- D. 6300

## 5. The product of 2 numbers is 35828 and their HCF is 26. Find their LCM.

- A 931788
- B. 689
- C. 1378-Ans
- D. 3583

## 6. Which of the following is the least of all?

- A. 0.5
- B. 1/0.5
- C. 0.5 x 0.5-Ans
- D. 0.5 x 2

## 7. Find the largest number of three digits exactly divisible by 15, 18, 27 and 30.

- A. 870
- B. 900
- C. 810 -Ans
- D. 780

## 8. Find the LCM of the following fractions: 2/3, 8/9, 16/27, 32/81

- A. 32/81
- B. 81/32
- C. 32/3 -Ans
- D. 11/41

## 9. HCF of two numbers is 19 and their LCM is 665. If one of the number is 95, find the other.

- A. 19
- B. 133 -Ans
- C. 190
- D. 77

## 10. If(x+a) is the H.C.F of 2x 2 +5x-12 and x 2 +x-12 then find the value of a.

- A. -3
- B. -2
- C. 4 -Ans
- D. 5

## 11.How many times does the number 5 occur in the range of numbers from 1 to 100?

- A. 21
- B. 22
- C. 20
- D. 19 NOT ANSWRED

## 12.Which of the following fractions is the least of all?

- A. 6/5 -Ans
- B. 4/3
- C. 3/2
- D. 5/4

## 13. The HCF and LCM of two numbers are 45 and 270 respectively. If the ratio of the two numbers is 2:3 and smaller of the wo numbers is X, then find X.

- A. 2025
- B. 4225
- C.8100 -Ans
- D.18225

## 14. Two numbers are in ratio 4:9 and their HCF is 11. Their LCM is:

- A. 396 -Ans
- B. 44
- C. 99
- D. 400

## 15. Three numbers are in the ratio of 3:5:10 and their LCM is 630 Find the HCF

- A. 21 -Ans
- B. 42
- C. 63
- D. 36

## 16. Two numbers are in ratio 4:9 and their HCF is 11. Their LCM is:

- A. 396 -Ans
- B. 44
- C. 99
- D. 400

## 17. If the product of two numbers is 3192 and their LCM is 56 then their HCF is:

- A. 58
- B. 59
- C. 56
- D. 57-Ans

## 18. Find the H.C.F. & L.C.M. of 20 and 28.

- A. 20,280
- B. 5,280
- C. 10,140
- D. 4,140 -Ans

## 19. Find the least number to be added to 1739 so that it is exactly divisible by 11.

- A. 11 -Ans
- B. 2
- C. 1
- D. 10

## 20. The HCF and LCM of two numbers are 3 and 2730 respectively. If one of the numbers is 78, find the other number.

- A. 107
- B. 103
- C.105-Ans
- D.102

## 21.Find the LCM of 15, 25 and 28.

- A. 2335
- B. 3337
- C. 2175-Ans
- D. 2375

## 22.What is the smallest number of 5 digits which is exactly divisible by 12, 24, 48, 60 and 96?

- A. 10000
- B. 10024
- C. 10160
- D. 10080 –Ans

## 23. The LCM of two consecutive even numbers is 144, find the numbers?

- A. 16 and 18
- B. 14 and 16
- C. 18 and 20 -Ans
- D. 22 and 24

## 24. The LCM and HCF of 2 numbers are 168 and 6 respectively. If one of the numbers is 24, find the other.

- A. 36
- B.38
- C.40 -Ans
- D.42

## 25. Find the HCF & LCM of 16, 24.

- A. 8, 48 -Ans
- B. 4, 12
- C. 2, 24
- D. 4. 48

## 26. The LCM of two numbers is 66. The numbers are in the ratio 2:3. The sum of the numbers is

## 27. If the product of two numbers is 3192 and their LCM 56 then ther' HCFis:

- A. 58
- B. 59
- C. 56
- D. 57 –Ans

## 28. The HCF and LCM of two numbers are 3 and 2730 respectively. If one of the numbers is 78, find the other number.

- A. 107
- B. 103
- C. 105 -Ans
- D. 102

## 29.Two numbers are in ratio 4:5 and their HCF is 13. Their LCM is:

- A. 260 -Ans
- B. 52
- C. 65
- D. 265

## 30. If the product of two numbers is 2522 and their LCM is 97 then their HCF is:

- A. 28
- B. 29
- C. 27
- D. 26-Ans

## 31.The LCM of two numbers is 210. If their HCF is 35 and one of the numbers is 105, find the other number.

- A. 35
- B. 70 -Ans
- C. 105
- D. 140

## 32. Find the LCM of 25/7, 15/28, 20/21.

- A. 300/7 -Ans
- B. 300
- C. 320/23
- D. 320

## 33. The HCF of two numbers is 4 and the two other factors of LCM are 5 and 7. Find the smaller of the two numbers.

- A. 10
- B. 14
- C. 20 -Ans
- D. 28

## 34. The HCF of two numbers is 6 and their LCM is 108. If one of the numbers is 12, then the other is

- A. 27
- B. 54 -Ans
- C. 48
- D. 36