Class 6 Playing With Numbers CBSE Questions & Answers

Class 6 · Playing With Numbers

This is Mathematics Class 6 Playing with Numbers CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
In a morning walk, three persons step off together. Their steps measure 80 cm, 85 cm and 90 cm respectively. What is the minimum distance each should walk so that all can cover the same distance in complete steps?
  • A
    12200 cm
  • B
    12300 cm
  • C
    12240 cm
    Correct
  • D
    None of these
2
Find the LCM of the following numbers: 9 and 4
  • A
    30
  • B
    9
  • C
    36
    Correct
  • D
    4
3
Find the LCM of the following numbers: 6 and 5
  • A
    6
  • B
    5
  • C
    3
  • D
    30
    Correct
4
Write all the prime numbers less than 15.
  • A
    None of these
  • B
    1, 3, 5, 7, 9
  • C
    2,4, 6, 8, 10
  • D
    2, 3, 5, 7, 11, 13
    Correct
5
Using divisibility tests, determine 5445 is divisible by ____.
  • A
    11
    Correct
  • B
    5
  • C
    7
  • D
    9
6
Using divisibility tests, determine 10824 is divisible by ____.
  • A
    9
  • B
    5
  • C
    11
    Correct
  • D
    7
7
Using divisibility tests, determine 10000001 is divisible by ____.
  • A
    9
  • B
    5
  • C
    11
    Correct
  • D
    7
8
Find the common factors of 75, 60 and 210.
  • A
    15
    Correct
  • B
    None of these
  • C
    21
  • D
    7
9
A number is divisible by both 5 and 12. By which other number will that number be always divisible?
  • A
    17
  • B
    60
    Correct
  • C
    None of these
  • D
    7
10
Find the LCM of 20, 25 and 30.
  • A
    90
  • B
    150
    Correct
  • C
    120
  • D
    100
11
Two tankers contain 850 litres and 680 litres of kerosene oil respectively. Find the maximum capacity of a container which can measure the kerosene oil of both the tankers when used an exact number of times.
  • A
    None of these
  • B
    510 liters
  • C
    340 liters
  • D
    170 liters
    Correct
12
In a morning walk, three persons step off together. Their steps measure 80 cm, 85 cm and 90 cm respectively. What is the minimum distance each should walk so that all can cover the same distance in complete steps?
  • A
    5 cm
    Correct
  • B
    15 cm
  • C
    10 cm
  • D
    None of these
13
The length, breadth and height of a room are 825 cm, 675 cm and 450 cm respectively. Find the longest tape which can measure the three dimensions of the room exactly.
  • A
    15600 cm
  • B
    14000 cm
  • C
    14850 cm
    Correct
  • D
    None of these
14
Determine the smallest 3-digit number which is exactly divisible by 6, 8 and 12.
  • A
    120
    Correct
  • B
    115
  • C
    None of these
  • D
    108
15
Determine the greatest 3-digit number exactly divisible by 8, 10 and 12.
  • A
    960
    Correct
  • B
    990
  • C
    980
  • D
    None of these