H.C.F. and L.C.M. of Numbers · General Aptitude

ABC26GN0450 · Find the factors of 330. · 2002

ABC26GN0421 · Find the H.C.F. of: (a) 42, 63 and 140 (b) 108, 288 and 360 · 2008

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

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

ABC26GN0452 · 252 can be expressed as a product of primes as · 2002

ABC26GN0423 · Reduce 391/667 to lowest terms.

ABC26GN0424 · Find the L.C.M. of 22 33 5 72, 23 32 52 74, 2 3 53 7 11.

ABC26GN0425 · Find the L.C.M. of (a) 87 and 145 (b) 72, 108 and 2100

ABC26GN0453 · 1095/1168 when expressed in simplest form is

ABC26GN0426 · Find the L.C.M. of 16, 24, 36 and 54.

ABC26GN0428 · Find the H.C.F. and L.C.M. of 0.63, 1.05 and 2.1.

ABC26GN0456 · The highest common factor of 0 and 6 is · 2008

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

ABC26GN0457 · The H.C.F. of 22 33 55, 23 32 52 7 and 24 34 5 72 11 is

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

ABC26GN0458 · The H.C.F. of 24 32 53 7,23 33 52 72 and 3 5 7 11 is

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

ABC26GN0432 · The sum of two numbers is 462 and their highest common factor is 22. What is the minimum number of pairs that satisfy these conditions? · 2004

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

ABC26GN0433 · The sum and difference of the L.C.M and H.C.F. of two numbers are 592 and 518 respectively. If the sum of the numbers be 296, find the… · 2006

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

ABC26GN0434 · Find the greatest possible length which can be used to measure exactly the lengths 4 m 95 cm, 9 m and 16 m 65 cm.

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?

ABC26GN0436 · Find the largest number which divides 62, 132 and 237 to leave the same remainder in each case.

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

ABC26GN0437 · The H.C.F. of two numbers, each having three digits is 17 and their L.C.M. is 714. Find the sum of the numbers. (C.P.O., 2007)

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

ABC26GN0438 · Find the least number which is exactly divisible by 32, 36, 45, 60 and 80. · 2006

ABC26GN0466 · The L.C.M. of 23 32 5 11,24 34 52 7 and 25 33 53 72 11 is

ABC26GN0439 · Find the least number which when divided by 6, 7, 8, 9 and 12 leaves the same remainder 1 in each case.

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

ABC26GN0440 · Find the smallest number which when increased by 10 is completely divisible by 12, 15, 18, 20 and 24. · 2008

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

ABC26GN0441 · Find the greatest number of five digits which is divisible by 15, 21 and 36. · 2010

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

ABC26GN0442 · Find the smallest number of five digits exactly divisible by 16, 24, 36 and 54.

ABC26GN0470 · The H.C.F. of a/b, c/d, e/f is equal to · 2007

ABC26GN0443 · Find the largest number which when subtracted from 10000, the remainder is divisible by 32, 36, 48 and 50. (R.R.B., 2006)

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

ABC26GN0444 · Find the largest number of five digits which, when divided by 16, 24, 30 or 36, leaves the same remainder 10 in each case. · 2007

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

ABC26GN0446 · What is the least number which when divided by the numbers 3, 5, 6, 8, 10 and 12 leaves in each case a remainder 2 but when divided by 13… · 2005

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

ABC26GN0447 · The traffic lights at three different road crossings change after every 48 sec., 72 sec. and 108 sec. respectively. If they all change… · 2005

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