Practice mode / Problems on H.C.F and L.C.M The ratio of two numbers is 3: 4 and their H.C.F. is 4. Their L.C.M. is: A Option A: 12 B Option B: 16 C Option C: 24 D Option D: 48 Correct answer D. 48 Show answer Report a problem How we write and check questions
Question 01 / Problems on H.C.F and L.C.M What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30? A Option A: 196 B Option B: 630 C Option C: 1260 D Option D: 2520 Correct answer B. 630 Show answer Open question
Question 02 / Problems on H.C.F and L.C.M The H.C.F. of two numbers is 11 and their L.C.M. is 7700. If one of the numbers is 275, then the other is: A Option A: 279 B Option B: 283 C Option C: 308 D Option D: 318 Correct answer C. 308 Show answer Open question
Question 03 / Problems on H.C.F and L.C.M A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and c in 198 seconds, all starting at the same point. After what time will they again at the starting point? A Option A: 26 minutes and 18 seconds B Option B: 42 minutes and 36 seconds C Option C: 45 minutes D Option D: 46 minutes and 12 seconds Correct answer D. 46 minutes and 12 seconds Show answer Open question
Question 04 / Problems on H.C.F and L.C.M The least number which when divided by 5, 6, 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder, is: A Option A: 1677 B Option B: 1683 C Option C: 2523 D Option D: 3363 Correct answer B. 1683 Show answer Open question
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