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
L.C.M. of two co-prime numbers is always
  • A
    sum of numbers
  • B
    None of these
  • C
    product of numbers
    Correct
  • D
    difference of numbers
2
Find the least number which when divided by 6, 15 and 18 leave remainder 5 in each case
  • A
    None of these
  • B
    95
    Correct
  • C
    90
  • D
    180
3
Divisibility by 2, 5, 10 can be checked by
  • A
    sum of digits
  • B
    last two digits
  • C
    last three digits
  • D
    last digit
    Correct
4
Which is greatest 3-digit number exactly divisible by 8, 10, 12?
  • A
    960
    Correct
  • B
    120
  • C
    360
  • D
    980
5
4= 2 \( \times \) 2 , 15 = 3 \( \times \) 5, so HCF of 4 and 15 is
  • A
    5
  • B
    1
    Correct
  • C
    3
  • D
    2
6
Find the least number which when divided by 12, 16, 24 and 36 leaves a remainder 7 in each case.
  • A
    144
  • B
    175
  • C
    160
  • D
    151
    Correct
7
Renu purchases two bags of fertiliser of weights 75 kg and 69 kg. Find the maximum value of weight which can measure the weight of the fertiliser exact number of times.
  • A
    None of these
    Correct
  • B
    138
  • C
    144
  • D
    150
8
Which of the following is divisible by 3?
  • A
    15286
  • B
    152638
  • C
    15287
  • D
    15267
    Correct
9
Which of the following is divisible by 9?
  • A
    15286
  • B
    152638
  • C
    15287
  • D
    15267
    Correct
10
If a number is divisible by 9, it must be divisible by __.
  • A
    6
  • B
    2
  • C
    5
  • D
    3
    Correct
11
_____ is the factor of 81.
  • A
    8
  • B
    5
  • C
    7
  • D
    9
    Correct
12
Fifth multiple of 9 is _____.
  • A
    27
  • B
    45
    Correct
  • C
    54
  • D
    36
13
Which of them is not a prime number?
  • A
    13
  • B
    11
  • C
    7
  • D
    10
    Correct
14
Which of them is not a composite number?
  • A
    16
  • B
    13
    Correct
  • C
    8
  • D
    14
15
Two numbers having only _____ as a common factor are called co-prime numbers.
  • A
    1
    Correct
  • B
    3
  • C
    2
  • D
    5