RRB Junior Engineer (JE) Sample Paper: Mathematics-29

1. The product of two numbers is 3024 and their LCM is 36.

(a) 88
(b) 82
(c) 84
(d) 86

2. LCM of two numbers is 12 times of their HCF. Sum of LCM and HCF is 195. If one of them is 60. Find the other.

(a) 48
(b) 45
(c) 52
(d) 36

3. The sum of two numbers is 135 and their HCF is 9. How many such pairs of numbers can be formed?

(a) 6
(b) 2
(c) 5
(d) 4

4. HCF of two numbers is 12 and their product is 3600. How many such pairs of numbers can be formed?

(a) 0
(b) 1
(c) 2
(d) 4

5. The LCM of two numbers is 36 times that of their HCF. The product of numbers is 3600. Find their HCF.

(a) 10
(b) 15
(c) 8
(d) 20

(E-Book) RRB J.E. Junior Engineer Exam Previous Year Solved Papers

Study Kit for RRB Junior Engineer EXAM (Phase-1) 

1(c), 2(b), 3(d), 4(b), 5(a)`