HCF and LCM Practice Question and Answer

Q:

The LCM of three different numbers is 120. Which of the following cannot be their HCF? 

871 0

  • 1
    24
    Correct
    Wrong
  • 2
    35
    Correct
    Wrong
  • 3
    8
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "35 "

Q:

The maximum number of students among whom 1001 pens and 910 pencils can be distributed in such a way that each student gets same number of pens and same number of pencils, is: 

1471 0

  • 1
    91
    Correct
    Wrong
  • 2
    910
    Correct
    Wrong
  • 3
    1001
    Correct
    Wrong
  • 4
    1911
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "91 "

Q:

Four runners started running simultaneously from a point on a circular track. They took 200 seconds, 300 seconds, 360 seconds and 450 seconds to complete one round. After how much time do they meet at the starting point for the first time? 

2088 0

  • 1
    3600 sec.
    Correct
    Wrong
  • 2
    2400 sec.
    Correct
    Wrong
  • 3
    1800 sec.
    Correct
    Wrong
  • 4
    4800 sec.
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "1800 sec. "

Q:

A number of friends decided to go on picnic and planned to spend Rs. 108 on eatables. Three of them however did not turn up. As a consequence, each one of the remaining had to contribute Rs 3. extra. The number of them who attended the picnic was:

2716 0

  • 1
    15
    Correct
    Wrong
  • 2
    12
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    6
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. " 9"

Q:

The HCF and LCM of two numbers are 12 and 336 respectively. If one of the number is 84, the other is

1092 0

  • 1
    36
    Correct
    Wrong
  • 2
    48
    Correct
    Wrong
  • 3
    72
    Correct
    Wrong
  • 4
    96
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "48"

  • Show AnswerHide Answer
  • Workspace

Answer : 2. "6"

Q:

The sum of two numbers is 84 and their HCF is 12. Total number of such pairs of number is 

1823 0

  • 1
    2
    Correct
    Wrong
  • 2
    3
    Correct
    Wrong
  • 3
    4
    Correct
    Wrong
  • 4
    5
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "3"

Q:

If the ratio of two numbers is 13 : 15 and their L.C.M. is 39780. Then the numbers are?

1458 0

  • 1
    2550 and 3450
    Correct
    Wrong
  • 2
    2652 and 3060
    Correct
    Wrong
  • 3
    2250 and 2340
    Correct
    Wrong
  • 4
    2450 and 3450
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "2652 and 3060"

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully