HCF and LCM Aptitude Questions Practice Question and Answer
8 Q: The HCF and the LCM of two numbers are 5 and 120, respectively. If the sum of the two numbers is 55, then the sum of the reciprocals of these two numbers is equal to:
803 0642256d95bff3d098d0b919f
642256d95bff3d098d0b919f- 1$${{55}\over{601}}$$false
- 2$${{11}\over{120}}$$true
- 3$${{120}\over{11}}$$false
- 4$${{601}\over{55}}$$false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "$${{11}\over{120}}$$"
Q: The sum of two and the product of 23 is 120. The sum of the areas will be:
799 06319b42ab0a2a82fc54c136c
6319b42ab0a2a82fc54c136c- 1289true
- 2263false
- 3486false
- 4313false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "289"
Q: By what least number should 21600 be multiplied to make it a perfect square?
792 06319b8ee4c69013ac89cd5f6
6319b8ee4c69013ac89cd5f6- 152false
- 223false
- 369false
- 4Nonetrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "None "
Q: The HCF of two numbers is 24. If sum of the numbers is 480, how many such pairs of numbers are possible?
767 062f11c3f09a97851b6264959
62f11c3f09a97851b6264959- 12false
- 25false
- 34true
- 43false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "4 "
Q: Find the LCM and HCF of 27 and 81.
751 0630df59c5dea296d12575e78
630df59c5dea296d12575e78- 181; 27true
- 281; 81false
- 327; 81false
- 427; 27false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "81; 27"
Q: The LCM of two numbers is 48. If those numbers are in the ratio 2 : 3 then what will be their sum?
744 0630deb024e3bf85cbe74880c
630deb024e3bf85cbe74880c- 128false
- 232false
- 340true
- 464false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "40"
Q: LCM of two numbers is 56 times their HCF, with the sum of their HCF and LCM being 1710. If one of the two numbers is 240, then what is the other number?
739 0646ca3ed45f1450a80e46bc9
646ca3ed45f1450a80e46bc9- 11680false
- 2171false
- 3210true
- 457false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "210"
Q: A number between 1000 and 2000 which when divided by 30, 36 and 80 gives a remainder 11 in each case is:
727 064008eed35d86258eccf290d
64008eed35d86258eccf290d- 111523false
- 21451true
- 31641false
- 41712false
- Show AnswerHide Answer
- Workspace
- SingleChoice