Question
8, 9, 15, ?,82.5,
250.50 What should come in place of question mark (?) in the following number series?Solution
8 8 × 1 + 1 = 9 9 × 1.5 + 1.5 = 15 15 × 2 + 2 = 32 32 × 2.5 + 2.5 = 82.5 82.5 × 3 + 3 = 250.50
The HCF of 108 and 144 is ______
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