Which of the following is not a sum of consecutive numbers?(a) 12(b) 16(c) 9(d) 11
  • (a) 12
  • (b) 16
  • (c) 9
  • (d) 11
If x, y, z and w are four consecutive numbers and place signs in between the numbers then the number of possible expressions is(a) 3(b) 4(c) 6(d) 8
  • (a) 3
  • (b) 4
  • (c) 6
  • (d) 8
The expression 119 × 332 × 6 is a/an(a) even number(b) odd number(c) prime number(d) None of these
  • (a) even number
  • (b) odd number
  • (c) prime number
  • (d) None of these
Which expression always gives an even number?(a) 4a + 3b(b) a2 + 1(c) 3x + 5 y(d) 2x + 2y
  • (a) 4a + 3b
  • (b) a2 + 1
  • (c) 3x + 5 y
  • (d) 2x + 2y
The sum of two multiple of 4 is always a multiple of(a) 3(b) 5(c) 7(d) 4
  • (a) 3
  • (b) 5
  • (c) 7
  • (d) 4
Which of these is the factor of 50
  • 7
  • 3
  • 10
  • 6
Two numbers having only 1 as a common factor.
  • Whole number
  • Co- Prime number
  • Composite number
  • Natural number
The HCF of two co-prime numbers is
  • 1
  • 2
  • 0
  • 2
The HCF of 12 and 16 is
  • 2
  • 4
  • 6
  • 1
The HCF of two consecutive odd numbers is
  • 0
  • 1
  • Bigger number
  • Smaller number
The HCF of two consecutive even numbers is
  • 1
  • 2
  • Smaller number
  • Bigger number
The HCF of 66,77,88
  • 22
  • 11
  • 66
  • 33
The LCM of two consecutive numbers is
  • Their Sum
  • Their Product
  • Their Difference
  • None of these
The smallest odd composite number is
  • 3
  • 5
  • 9
  • 15
The LCM of two co-prime numbers is
  • Their Product
  • Their Sum
  • Their difference
  • None of these
The LCM of 12 and 16 is
  • 24
  • 48
  • 96
  • 32
What is the Sixth multiple of 13?
  • 78
  • 65
  • 52
  • 91
Which of them is a composite number?
  • 31
  • 13
  • 27
  • 29
The number of multiples of 10 is
  • 10
  • 100
  • 1000
  • Infinite
The smallest composite number is
  • 1
  • 2
  • 4
  • 9
0 h : 0 m : 1 s

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