NUMBER SYSTEM PAGE 4

16.The HCF of two numbers, each having three digits, is 17 and their LCM is 714. The sum of the numbers will be:
A. 289
B. 391
C. 221
D. 731
17.The greatest number, which when subtracted from 5834, gives a number exactly divisible by each of 20,28,32,35, is.
A. 1120
B. 4714
C. 5200
D. 5600
18.Which among 21/2, 31/3
A. 21/2
B. 31/3
C. 41/4
D. 121/12
19.LCM of two numbers is 936. If their HCF is 4 and one of the numbers is 72, the other is
A. 42
B. 52
C. 62
D. None of these
20.The rightmost non-zero digit of the number 302720 is
A. 1
B. 3
C. 7
D. 9
Ans16.(C)
Ans17.(B)
Ans18.(B)
Ans19.(B)
Ans20.(A)