HCF and LCM Questions for Bank Exam
The number 5769116 is divisible by which of the following numbers?
(A) 4
(B) 5
(C) 12
(D) 8
Correct Answer : A
The LCM of x2 − 8x + 15 and x2 − 5x + 6 is:
(A) (x - 2) (x - 3) (x − 5)
(B) (x − 6)2 (x + 1) (x − 3)
(C) (x − 6) (x + 1) (x − 3)
(D) (x + 6) (x + 1) (x − 3)
Correct Answer : A
Which of the following numbers is divisible by 11?
(A) 5214341
(B) 5648741
(C) 6598321
(D) 2378965
Correct Answer : A
If the four-digit number 463y is divisible by 7, then what is the value of y?
(A) 4
(B) 6
(C) 3
(D) 5
Correct Answer : A
If the highest common factor (HCF) of x and y is 15, then the HCF of 36x2 – 81y2 and 81x2 – 9y2 is divisible by __________
(A) 135
(B) 120
(C) 180
(D) 90
Correct Answer : A
The product of the two numbers is 1500 and their HCF is 10. The number of such possible pairs is/are:
(A) 1
(B) 3
(C) 4
(D) 2
Correct Answer : D
The HCF of three numbers 98, 175 and 210 will be:
(A) 6
(B) 5
(C) 7
(D) 3
Correct Answer : C
The HCF of two numbers is 21 and their LCM is 840. If one of the numbers is 49, then the other number is:
(A) 650
(B) 360
(C) 540
(D) 810
Correct Answer : B
If $$A={{2^7×3^7}}$$, $$B={{2^7×3^5}}$$ and $$C={{2^8×3^4}}$$, then what is the least common multiple of A, B and C?
(A) $${{2^7×3^7}}$$
(B) $${{2^6×3^7}}$$
(C) $${{2^8×3^7}}$$
(D) $${{2^9×3^7}}$$
Correct Answer : C
Find the LCM of the fractions $${2\over 5}$$, $${3\over 7}$$ and $${4\over 9}$$
(A) 12
(B) 24
(C) 36
(D) 35
Correct Answer : A
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Rajesh Bhatia
A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.
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