H.C.F. and L.C.M. of Numbers

ABC26GN0450 · Find the factors of 330. · 2002

ABC26GN0451 · Find the factors of 1122. (CLAT, 2010)

ABC26GN0422 · Find the H.C.F. of 513, 1134 and 1215.

ABC26GN0423 · Reduce 391/667 to lowest terms.

ABC26GN0453 · 1095/1168 when expressed in simplest form is

ABC26GN0429 · Two numbers are in the ratio of 15: 11. If their H.C.F. is 13, find the numbers.

ABC26GN0430 · Two numbers are in the ratio of 3: 4. Their L.C.M. is 84. Find the numbers. · 2010

ABC26GN0431 · The H.C.F. of two numbers is 11 and their L.C.M. is 693. If one of the numbers is 77, find the other.

ABC26GN0459 · H.C.F. of 4 × 27 × 3125,8 × 9 × 25 × 7 & 16 × 81 × 5 × 11 × 49 is

ABC26GN0460 · Find the highest common factor of 36 and 84. · 2003

ABC26GN0461 · Even numbers are formed by taking at least two at a time from the numbers 0, 4, 8, 9. Their H.C.F. is · 2007

ABC26GN0462 · The H.C.F. of 204, 1190 and 1445 is

ABC26GN0435 · Find the greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively. · 2006

ABC26GN0463 · Which of the following is a pair of co-primes?

ABC26GN0464 · The H.C.F. of 2923 and 3239 is

ABC26GN0465 · The H.C.F. of 3556 and 3444 is

ABC26GN0467 · Find the lowest common multiple of 24, 36 and 40.

ABC26GN0468 · The L.C.M. of 22, 54, 108, 135 and 198 is

ABC26GN0469 · The L.C.M. of 148 and 185 is

ABC26GN0471 · The H.C.F. of 2/3, 8/9, 64/81 and 10/27 is :

ABC26GN0472 · The H.C.F. of 9/10, 12/25, 18/35 and 21/40 is

ABC26GN0445 · Find the least number which when divided by 20, 25, 35 and 40 leaves remainders 14, 19, 29 and 34 respectively.

ABC26GN0473 · The L.C.M. of 1/3, 5/6, 2/9, 4/27 is

ABC26GN0474 · The L.C.M. of 2/3, 3/5, 4/7, 9/13 is

ABC26GN0475 · The L.C.M. of 3/4, 6/7, 9/8 is · 2008

ABC26GN0476 · The H.C.F. of 1.75, 5.6 and 7 is

ABC26GN0477 · The G.C.D. of 1.08, 0.36 and 0.9 is · 2002

ABC26GN0478 · The H.C.F. of 0.54, 1.8 and 7.2 is

ABC26GN0479 · The L.C.M. of 3, 2.7 and 0.09 is

ABC26GN0480 · If A, B and C are three numbers, such that the L.C.M. of A and B is B and the L.C.M of B and C is C, then the L.C.M. of A, B and C is

ABC26GN0482 · Three numbers are in the ratio 1: 2: 3 and their H.C.F. is 12. The numbers are

ABC26GN0483 · The ratio of two numbers is 3: 4 and their H.C.F. is 4. Their L.C.M. is

ABC26GN0484 · The sum of two numbers is 216 and their H.C.F. is 27. The numbers are

ABC26GN0486 · The sum of two numbers is 528 and their H.C.F. is 33. The number of pairs of numbers satisfying the above conditions is

ABC26GN0488 · The number of number-pairs lying between 40 and 100 with their H.C.F. as 15 is

ABC26GN0489 · The H.C.F. of two numbers is 12 and their difference is 12. The numbers are

ABC26GN0490 · The product of two numbers is 4107. If the H.C.F. of these numbers is 37, then the greater number is

ABC26GN0491 · The product of two numbers is 2028 and their H.C.F. is 13. The number of such pairs is · 2009

ABC26GN0492 · Three numbers which are co-prime to each other are such that the product of the first two is 551 and that of the last two is 1073. The sum…

ABC26GN0493 · The ratio of two numbers is 13: 15 and their L.C.M. is 39780. The numbers are · 2009

ABC26GN0494 · Three numbers are in the ratio of 3: 4: 5 and their L.C.M. is 2400. Their H.C.F. is

ABC26GN0495 · The L.C.M. and ratio of four numbers are 630 and 2: 3: 5: 7 respectively. The difference between the greatest and least numbers is · 2007

ABC26GN0496 · The H.C.F. and L.C.M. of two numbers are 12 and 336 respectively. If one of the numbers is 84, the other is · 2010

ABC26GN0497 · If the product of two numbers is 324 and their H.C.F. is 3, then their L.C.M. will be · 2008

ABC26GN0498 · If H.C.F. of p and q is x and q=x y, then the L.C.M. of p and q is · 2004

ABC26GN0499 · The sum of two numbers is 2000 and their L.C.M. is 21879. The two numbers are

ABC26GN0502 · The product of the L.C.M. and H.C.F. of two numbers is 24. The difference of two numbers is 2. Find the numbers.

ABC26GN0503 · If the sum of two numbers is 36 and their H.C.F. and L.C.M. are 3 and 105 respectively, the sum of the reciprocals of the two numbers is · 2010

ABC26GN0504 · The L.C.M. of two numbers is 12 times their H.C.F. The sum of H.C.F. and L.C.M. is 403. If one number is 93, find the other. · 2007

ABC26GN0507 · Product of two co-prime numbers is 117. Their L.C.M. should be