The HCF of 450 and 540 is……….
a) 90
b) 24
c) 20
d) 16
The Least Common Multiple (LCM) of 40, 50 and 70………..
a) 1800
b) 1400
c) 1200
d) 1600
The Least Common Multiple of 112 and 64 is
a) 448
b) 488
c) 478
d) 468
The Least Common Multiple of 40 and 25 is…
a) 100
b) 150
c) 200
d) 50
Find the maximum length of rope which can be cut into pieces of 20cm, 25cm and 30cm lengths.
a) 3
b) 5
c) 6
d) 10
Find the greatest number that exactly divides 35, 45 and 55.
a) 20
b) 15
c) 10
d) 5
