(Sample Material) India Post Payments Bank (IPPB) Study Kit "Numerical Ability - HCF & LCM"
Sample Materials of India Post Payments Bank (IPPB) Study Kit
Subject: Numerical Ability
Topic: HCF & LCM
1. If three natural numbers, whose LCM is 360, are in the ratio 2 : 3 : 4, then the largest of them is
(1) 60
(2) 90
(3) 120
(4) 180
(5) None of these
2. The HCF of 168, 189 and 231 reduced by 8, gives
(1) 13
(2) 14
(3) 17
(4) 21
(5) None of these
3. The GCD and LCM of two numbers are 66 and 384 respectively. If the first number is divided by 2, the resulting answer is 66. The second number is
(1) 192
(2) 196
(3) 384
(4) 576
(5) None of these
4. The LCM and GCD of two numbers are 240 and 16 respectively. If the two numbers are in the ratio 3 : 5, the numbers are
(1) 24,40
(2) 21,35
(3) 36,60
(4) 48,80
(5) None of these
5. The LCM of two numbers is 280 and the ratio of the numbers of 7 : 8. Find the numbers.
(1) 70 and 48
(2) 42 and 48
(3) 35 and 40
(4) 28 and 32
(5) None of these
