CBSE Class 7 Mathematics Finding Common Ground MCQs Set D

Question. LCM of 630 and 770 will be 70 multiplied by 9 and.
(a) 10
(b) 11
(c) 12
(d) 13

Answer: B

Question. The LCM of two numbers is never greater than their.
(a) Product
(b) HCF
(c) Sum
(d) Difference

Answer: A

Question. There is a relation that HCF x LCM is same as.
(a) Product of two numbers
(b) Sum of two numbers
(c) Difference
(d) 1

Answer: A

Question. A cube of 6 cm fits because 6 is a common factor of 12, 18 and.
(a) 30
(b) 36
(c) 40
(d) 50

Answer: B

Question. The largest number dividing 306 and 36 exactly is their.
(a) LCM
(b) HCF
(c) Product
(d) Sum

Answer: B

Question. If 9 was called and no one got out children are a multiple of.
(a) 5
(b) 9
(c) 10
(d) 11

Answer: B

Question. If we double both numbers their HCF will also.
(a) Stay same
(b) Become half
(c) Double
(d) Become zero

Answer: C

Question. HCF of numbers 270 and 50 is.
(a) 2
(b) 5
(c) 10
(d) 50

Answer: C

Question. Prime factors of 36 are 2 x 2 and.
(a) 2 x 3
(b) 3 x 3
(c) 4 x 9
(d) 6 x 6

Answer: B

Question. To find HCF we include the minimum occurrences of each prime.
(a) Multiple
(b) Prime
(c) Number
(d) Sum

Answer: B

Question. To find the LCM we include the highest number of.
(a) Factors
(b) Occurrences
(c) Primes
(d) Multiples

Answer: B

Question. Prime factorization of 14 is.
(a) 1 x 14
(b) 2 x 7
(c) 7 x 1
(d) 2 x 2 x 3

Answer: B

Question. Prime factorization of 35 is.
(a) 1 x 35
(b) 5 x 7
(c) 5 x 5
(d) 7 x 1

Answer: B

Question. The lowest common multiple of 14 and 35 is.
(a) 7
(b) 35
(c) 70
(d) 140

Answer: C

Question. If 10 was called and some got out total children is not multiple of.
(a) 6
(b) 9
(c) 10
(d) 3

Answer: C

Question. LCM of two different prime numbers m and n is.
(a) m + n
(b) m - n
(c) m x n
(d) 1

Answer: C

Question. Dog jumps 9 feet and the rabbit jumps.
(a) 5 feet
(b) 6 feet
(c) 7 feet
(d) 8 feet

Answer: C

Question. For numbers 105 and 95 the common prime factor is.
(a) 3
(b) 5
(c) 7
(d) 19

Answer: B

Question. HCF of 105 and 95 is.
(a) 5
(b) 15
(c) 1
(d) 19

Answer: A

Question. If HCF of 45 and 105 is 15 then HCF x LCM will be.
(a) 45 + 105
(b) 45 x 105
(c) 105 - 45
(d) 150

Answer: B