CBSE Class 7 Mathematics Finding Common Ground MCQs Set E

Question. To find LCM we take highest occurrences of each.
(a) Factor
(b) Prime
(c) Multiple
(d) Digit

Answer: B

Question. Every common multiple contains the prime factorisation of the.
(a) HCF
(b) Numbers
(c) 1
(d) 0

Answer: B

Question. HCF of two consecutive even numbers is always.
(a) 1
(b) 2
(c) 4
(d) 0

Answer: B

Question. If some people get out when 10 is called total is not a multiple of.
(a) 5
(b) 2
(c) 10
(d) 1

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. LCM of prime numbers m and n is always.
(a) Less than m
(b) Greater than both
(c) Equal to m
(d) 0

Answer: B

Question. Product of 105 and 95 is equal to their LCM multiplied by.
(a) 1
(b) 3
(c) 5
(d) 19

Answer: C

Question. In the formula HCF x LCM = Product the HCF of 105 and 95 is.
(a) 1
(b) 5
(c) 15
(d) 19

Answer: B

Question. The common and non-common prime factors get distributed between.
(a) HCF and LCM
(b) Sum and Product
(c) Primes and Factors
(d) 1 and 0

Answer: A

Question. In division method for 84 and 180 first we divide by common prime.
(a) 2
(b) 5
(c) 7
(d) 11

Answer: B

Question. HCF of 84 and 180 is 2 x 2 x.
(a) 3
(b) 5
(c) 7
(d) 15

Answer: A

Question. Cowherd problem is based on folklore mathematics from.
(a) Punjab
(b) Kerala
(c) Karnataka
(d) Gujarat

Answer: C

Question. The number of cows was a multiple of 3, 5 and.
(a) 2
(b) 7
(c) 9
(d) 11

Answer: B

Question. Cowherd had cows less than.
(a) 100
(b) 150
(c) 200
(d) 250

Answer: C

Question. Dog catches rabbit by jumping 9 feet while rabbit jumps.
(a) 5 feet
(b) 7 feet
(c) 8 feet
(d) 10 feet

Answer: B

Question. Rabbit had a head start of.
(a) 100 feet
(b) 150 feet
(c) 200 feet
(d) 50 feet

Answer: B

Question. Smallest multiple of all numbers from 1 to 10 is.
(a) 1000
(b) 1260
(c) 2520
(d) 5040

Answer: C

Question. Quicker procedure for HCF and LCM uses dividing by any.
(a) Odd number
(b) Common factor
(c) Big number
(d) Zero

Answer: B

Question. The largest prime number found so far has more than 4 crore.
(a) Zeros
(b) Digits
(c) Factors
(d) Multiples

Answer: B

Question. Largest prime was discovered on October 12 in year.
(a) 2020
(b) 2022
(c) 2023
(d) 2024

Answer: D