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
LCM of 90, 108 and 144 is
  • A
    2240
  • B
    2406
  • C
    2150
  • D
    2160
    Correct
2
Frog A Jumps 25 cm at once and Frog B Jumps 30 cm at once If both of them start Jumping together at what distance both of them will jump at same place
Question 2 figure 1
  • A
    200 cm
  • B
    125 cm
  • C
    150 cm
    Correct
  • D
    180 cm
3
Ram has 30 cm long stick. He puts this stick 10 times to measure the wall of the class room. Kamal puts his stick 15 times to measure the same wall. The length of kamal?s stick is
  • A
    50 cm
  • B
    10 cm
  • C
    20 cm
    Correct
  • D
    40 cm
4
LCM of 240 and 300 is
  • A
    900
  • B
    1200
    Correct
  • C
    840
  • D
    2400
5
Which scale of the following length should be used to measure two walls of 16 m and 24 m exactly at minimum time?
  • A
    10m Long scale
  • B
    8m Long scale
    Correct
  • C
    4m Long scale
  • D
    12m Long scale
6
Find LCM and HCF of 80 and 120
  • A
    LCM = 120 and HCF = 40
  • B
    LCM = 240 and HCF = 20
  • C
    LCM = 240 and HCF = 40
    Correct
  • D
    LCM = 480 and HCF = 40
7
Find LCM and HCF of 20 and 50
  • A
    LCM = 200 and HCF = 10
  • B
    LCM = 100 and HCF = 5
  • C
    LCM = 200 and HCF = 20
  • D
    LCM = 100 and HCF = 10
    Correct
8
Find HCF of 200 and 250
  • A
    100
  • B
    10
  • C
    50
    Correct
  • D
    25
9
LCM of 20 and 50 \(\times\) HCF of 20 and 50 =
  • A
    HCF of 20 and \(50 \times 50\)
  • B
    \(20 \times 50\)
    Correct
  • C
    \(20 + 50\)
  • D
    LCM of 20 and \(50 \times 20\)
10
The smallest prime number is
  • A
    3
  • B
    1
  • C
    4
  • D
    2
    Correct
11
_____________ is a factor of every number.
  • A
    4
  • B
    1
    Correct
  • C
    2
  • D
    3
12
The least prime number is _____________.
  • A
    3
  • B
    2
    Correct
  • C
    1
  • D
    0
13
Each prime number has exactly _____________ factors.
  • A
    Zero
  • B
    Three
  • C
    Two
    Correct
  • D
    One
14
_______________ is neither prime nor composite.
  • A
    1
    Correct
  • B
    4
  • C
    3
  • D
    2
15
The largest 2-digit prime number is ________________.
  • A
    95
  • B
    97
    Correct
  • C
    98
  • D
    99