Problems on LCM & HCF Mcqs

Q.  A heap of coconuts is divided into groups of 2, 3 and 5 and each time one coconut is left over. The least number of Coconuts in the heap is_______?

a. 31
b. 41
c. 51
d. 61


ANSWER: See Answer
 
LCM = 30 => 30 + 1 = 31
MCQs:  LCM of 18 and 27 is_________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  LCM of two numbers is 138. But their (Greatest common divisor) GCD is 23. The numbers are in a ratio 1:6. Which is the largest number amongst the two?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  Greatest Common Divisor of two numbers is 8 while their Least Common Multiple is 144. Find the other number if one number is 16.
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. Then sum of the number is_________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  Which of the following has the most number of divisors?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively, is_________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  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 meet again at the starting point?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  The least number which should be added to 2497 so that the sum is exactly divisible by 5, 6, 4 and 3 is:
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MCQs:  The least number of four digits which is divisible by 15, 25, 40 and 75 is_________?
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MCQs:  The smallest fraction, which each of 6/7, 5/14, 10/21 will divide exactly is_________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  Which of the following fractions is the largest?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  The H.C.F of two numbers is 23 and the other two factors of their L.C.M are 13 and 14. The larger of the two numbers is___________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  The H.C.F of two numbers is 8. Which of the following can never be their L.C.M?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  Product of two co-prime numbers is 117. Their L.C.M should be__________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  If the sum of two numbers is 55 and the H.C.F and L.C.M of these numbers are 5 and 120 respectively, then the sum of the reciprocal of the numbers is equal to___________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  The L.C.M of two numbers is 495 and their H.C.F is 5. If the sum of the numbers is 10, then their difference is__________?
Category: Mathematics Quizzes,   Published by: T-Code Scripts
MCQs:  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__________?
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MCQs:  The H.C.F and L.C.M of two numbers are 84 and 21 respectively. If the ratio of the two numbers is 1:4, then the larger of the two numbers is____________?
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MCQs:  Three numbers are in the ratio 3:4:5 and their L.C.M is 2400. Their H.C.F is:
Category: Mathematics Quizzes,   Published by: T-Code Scripts