Class 5 LCM And FCF CBSE Questions & Answers

Class 5 · LCM And FCF

This is Mathematics Class 5 LCM and FCF CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Rani, Geetha and Naseema live near each other. The distance from their houses to the road is 90 feet. They decided to tile the path to the road. They all bought tiles of different designs and length. Rani bought the shortest tile, Geetha bought the middle sized one and Naseema bought the longest one. If they could tile the path without cutting any of the tiles, what could be the size of the tiles each has bought?
Question 1 figure 1
  • A
    Rani bought 3 feet tiles, Geetha bought 4 feet tiles and Naseema bought 5 feet tiles.
  • B
    Rani bought 3 feet tiles, Geetha bought 5 feet tiles and Naseema bought 7 feet tiles.
  • C
    None of these
  • D
    Rani bought 2 feet tiles, Geetha bought 3 feet tiles and Naseema bought 5 feet tiles.
    Correct
2
The numbers which have no factors other than one and the number itself are called
  • A
    Write Numbers
  • B
    Composite Numbers
  • C
    Prime numbers
    Correct
  • D
    Unique Numbers
3
The number which have more than two factors are called
  • A
    Prime numbers
  • B
    Composite Numbers
    Correct
  • C
    Whole Numbers
  • D
    Natural Numbers
4
Which of the following is neither prime nor composite number?
  • A
    2
  • B
    10
  • C
    1
    Correct
  • D
    None of these
5
Which of the following is not a prime number
  • A
    43
  • B
    29
  • C
    67
  • D
    27
    Correct
6
How many prime numbers are there between 60 and 70
  • A
    Five
  • B
    Two
    Correct
  • C
    Four
  • D
    Three
7
Which of the following is not a prime factor of 108
  • A
    2
  • B
    None of above
  • C
    9
    Correct
  • D
    3
8
Common factors of 60, 45 and 105 are
  • A
    1,3,5,15
    Correct
  • B
    1,3,5,7,15
  • C
    1,3,5,9,15
  • D
    1,2,3,4,15
9
Which of the following is not common multiple of 3 and 5
  • A
    30
  • B
    25
    Correct
  • C
    45
  • D
    15
10
The Highest common factor for 24 and 32 is
  • A
    8
    Correct
  • B
    2
  • C
    4
  • D
    12
11
The lowest common multiple of 18, 27 is:-
  • A
    54
    Correct
  • B
    81
  • C
    270
  • D
    36
12
HCF of 10, 20, 30 is
  • A
    30
  • B
    20
  • C
    10
    Correct
  • D
    5
13
LCM of 100 and 150 is
  • A
    200
  • B
    100
  • C
    400
  • D
    300
    Correct
14
HCF of 72 and 90 is
  • A
    36
  • B
    27
  • C
    18
    Correct
  • D
    9
15
HCF of 32, 80 and 96 is
  • A
    16
    Correct
  • B
    40
  • C
    8
  • D
    10