Maths Class 4th

41. A number is divisible by 10 if it’s one place is _____.

A) 2

B) 3

C) 5

D) 0

42. A number greater than 1 which has no factor or divisor other than 1 and itself is Called:

A) Prime Number

B) Composite Numbers

C) Coefficient Numbers

D) Supplementary Numbers

43. Which of the following Is not a prime number:

A) 1

B) 3

C) 4

D) 11

44. A number having factors or divisor other than q and itself is called a ________.

A) Prime Number

B) Composite Numbers

C) Coefficient Numbers

45. Which of the following is not a composite number:

A) 4

B) 10

C) 15

D) 23

46. Which of the following is divisible by 2?

A) 2500

B) 3360

C) 1983

D) Both A and B

47. Which of the following is divisible by 3?

A) 15

B) 69

C) 30

D) All of the above

48. 1 is a:

A) Prime Number

B) Composite Number

C) Both A and B

D) Neither A nor B

49. Which of the following is the only even prime:

A) 2

B) 4

C) 10

D) 11

50. The numbers which can be exactly be divided by a given number are called:

A) Prime Numbers

B) Variables

C) Factors

D) None of the above

51. Which of the following is the factor of 6:

A) 2

B) 3

C) 6

D) All of the above

52. When we multiple different numbers, says 1,2,3 by 2 the products are called ____ of 2.

A) Variables

B) Constants

C) Multiples

D) Factors

53. The Prime Factors of 10 are:

A) 2

B) 5

C) 23

D) Both A and B

54. Prime Factorization mean breaking up a composite number into prime factors:

A) True

B) False

55. A composite number written as a product of prime numbers is known as:

A) Variables of the Number

B) Factors of Number

C) Prime Factors of Number

D) Constants of Number

56. 4 is a prime number:

A) True

B) False

57. Find the HCF of 16 and 20:

A) 1,2

B) 1,2,4

C) 1,2,5

D) None of the above

58. The _____ of two or more numbers is the greatest number that can exactly divide the given numbers.

A) LCM

B) HCF

C) Factors

D) None of the above

59. There are ____ methods of finding HCF.

A) Only one

B) Two

C) Three

D) Four

60. Which of the following is a method to find HCF:

A) Prime Factorization Method

B) Venn Diagram

C) Both A and B

D) None of the above