HCF and LCM Aptitude Questions Practice Question and Answer
8 Q: A milk in vendor has 21 liters of cow milk, 42 liters of toned milk and 63 liters of double toned milk. If he wanted to pack them in cans so that each can contains same liters of milk and does not want to mix any two kinds of milk in a can, then the least number of cans required is :
1776 05dca4a63f7c0852c4475989d
5dca4a63f7c0852c4475989d- 13false
- 26true
- 39false
- 412false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "6"
Q: If A and B are the HCF and LCM respectively of two algebraic expressions x and y, and A + B = x + y, then the value of A3 + B3 is
1762 05dca4b85582669277c295f80
5dca4b85582669277c295f80- 1$$x^3-y^3 $$false
- 2$$x^3$$false
- 3$$y^3$$false
- 4$$x^3 + y^3$$true
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "$$x^3 + y^3$$"
Q: The HCF of two numbers, each having three digits, is 17 and their LCM is 714. The sum of the numbers will be:
1751 05f07ffff8e448621429dbb31
5f07ffff8e448621429dbb31- 1221true
- 2731false
- 3289false
- 4391false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "221 "
Q: The sum of two numbers is 232 and their HCF is 29. What is the numbers of such pairs of numbers satisfied the above condition?
1729 060bdfcad05aad558f1cd6f4e
60bdfcad05aad558f1cd6f4e- 10false
- 22true
- 33false
- 41false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "2"
Q: Find the least multiple of 23, which when divided by 18, 21 and 24 leaves the remainder 7, 10 and 13 respectively.
1673 05d8c9199e01f4665336474b6
5d8c9199e01f4665336474b6- 13013true
- 23024false
- 33002false
- 43036false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "3013"
Q: The ratio of HCF and LCM of two numbers a and b is 1:30 and the difference between the HCF and LCM is 493. Find the possible number of pairs of a and b.
1630 064008fcf95361d30f875485c
64008fcf95361d30f875485c- 11false
- 22false
- 35false
- 44true
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "4"
Q: What is the minimum number of square marbles required to tile a floor of length 5 meters 78 cm. and width 3 meters 74 cm?
1622 060acc56a2fb4b11d33da2562
60acc56a2fb4b11d33da2562- 1540false
- 2748false
- 3176false
- 4187true
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "187 "
Q: If the HCF and LCM of 5x and 8x are 9 and 360 respectively, find value of x.
1611 05eb4f945a201e2350c4797b0
5eb4f945a201e2350c4797b0- 15false
- 27false
- 39true
- 48false
- Show AnswerHide Answer
- Workspace
- SingleChoice

