Question

1. The HCF and the LCM of 12, 21, 15 respectively are
(a) 3, 140
(b) 12, 420
(c) 3, 420
(d) 420,3
2. The value of x for which 2x, (x + 10) and (3x + 2) are
the three consecutive terms of an A.P., is
(a) 6
(b) - 6
(c) 18
(d) -18​

Answer 1

Answer:

1 c 3, 420

2 c 18

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