11. The LCM of two numbers is 30 and their HCF is 5. One of the number is 10. The other is (1) 20 (2) 25 (3) 15 (4) 5 Ans. 3 12. The product of two numbers is 1280 and their H.C.F. is 8. The L.C.M. of number will be : (1) 160 (2) 150 (3) 120 (4) 140 Ans. 1 13. The H.C.F. and L.C.M. of two numbers are 8 and 48 respectively. If one of the number is 24, then the other number is (1) 48 (2) 36 (3) 24 (4) 16 Ans. 4 14. ThebH.C.F. and L.C.M. of two numbers are 12 and 336 respectively. If one of the number is 84. The other is (1) 36 (2) 48 (3) 72 (4) 96 Ans. 2 15. The product of two numbers is 216. If the HCF is 6, then their LCM is (1) 72 (2) 60 (3) 48 (4) 36 Ans. 4 16. The HCF and LCM of two numbers are 18 and 378 respectively. If one of the numberis 54, then the other number is (1) 126 (2) 144 (3) 198 (4) 238 Ans. 1 17. The HCF and product of two numbers are 15 and 6300 respectively. The number of possible pairs of the numbers is (1) 4 (2) 3...
Preparation for Competitive exams SSC RAILWAY