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28.

The L.C.M of two numbers is 256. Their H.C.F is 8. What is the greater number ?

29.

The L.C.M of two numbers is 350. Their H.C.F is 14. What is the greater number ?

30.

The L.C.M of two numbers is 46. Their H.C.F is 6. What is the largest number ?

31.

The multiplication of two integer is 4375 and their smallest common multiple is 175 , then find the addition of two integer.

32.

The ratio of 3 integer are 2:3:4 and the result of their multiplication is 375000, find the littlest integer.

33.

The integers 215 , 287 and 1060 when divided by 'd' there left over 5 , 7 and 10. Calculate the value of 'd'.

34.

The L.C.M of two numbers is 2680. Their H.C.F is 4. What is the greater number ?

35.

When 2 numeral are added we get 315 as result and the largest common factor of the 2 numeral is 35, find the number of set of numeral that formed.

36.

The L.C.M of two numbers is 1020. Their H C.F is 4. What is the greatest number ?

37. By adding present age of Me Sen and Mr Roy the resultant is 55 years.. 10 years before the age ratio of Mr Sen and Mr Roy is 4 : 3. What is the present age of Mr Sen?
38. Vijay has some chocolates. He wants to make bunches of equal no. of chocolates. If he makes bunches of 4 or 8 or 10 chcolates there is no chocolate left over.What is the least number of chocolates with him ?
39. The product of two numbers is 2700. If the H.C.F of these numbers are 27, then find the greater number is ... ?
40. The product of two numbers is 1600; the H.C.F of the numbers is 16 ? Find the greater number ?
41. Find the G.C.F of (xÂ² - xy - 2 yÂ²) and (2xÂ² - xy - yÂ²)
42. The HCF of two numbers is 2200 and their HCF is 8; what is the largest number ?
43. Find the H.C.F and L.C.M of 20 , 2.8 and 0.25
44. Find the L.C.M of 4aÂ²bc and 6abÂ²d
45. Samir found that the H.C.F of two integers is 176 and the L.C.M of same two integers is 1056 . If one integer is 352 then what will be the second integer ?
46. Mr Gupta cut four rods of lengths 156 cm , 208 cm , 234 cm and 338 cm into parts of equal length. Each part must be as long as possible. The maximum number of pieces that can be cut from the four rods is :
47. What is the largest integer of 4 figure which is divisible by 45, 75, 120 and 225 ?
48. The Least common multiple and Greatest common factor of two integer is 88 and 528 respectively. If the first integer is 176 then the second integer will be ?
49. Find the L.C.M of 8 , (16 / 20) and {1 complete (3 / 7)}
50. Find the L.C.M of 377 , 247 and 2465.
51. From which smallest number 7 will be subtracted so that the result will be divided by 8 , 20 and 24.
52. Stephen heard a sound of 3 bells which gongs every after 18 minute , 24 minute and 32 minutes. If the 3 bells gong together at a time in a day. Then after how many time will the 3 bells gong together again ?
53. The HCF of two numbers is 12 and their LCM is 6600.If one of the numbers is 240,then the other is?
54. L.C.M of two numbers is 240 and there H.C.F is 20. What will be the sum of two numbers ?