Question
LCM of 21 5 , 21 10 and 21
15 is? (1). 21 5 (2). 21 15 (3).2130 (4 ). 21 10Solution
LCM of 21 5 , 21 10 and 21 15 = 21 15 ( we always take highest power in case of LCM when base is same).
More HCF and LCM Questions
7, 14, 42, 210, 1470, ?
A sequence {Vₙ} is defined for n ≥ 1 by:
I) For every n ≥ 3: Vₙ = 2Vₙ₋₁ − Vₙ₋₂ + 4
It is known that - V₃ = 22 and ...
12, 20, 36, ?, 132, 260
If 6 4 x 5.75 9,
Then, (x²-1) = ?
...12 13 30 �...
112 162 199 ? 242 252
...21 11.5 13 ? 45.5 116.75
...171, 173, 183, 213 , ‘?’, 411, 633.
114 106 102 100 99 ?
...Choose the correct alternative
21: 3 ∷ 574: ?
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