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Question
Fill the boxes using any set of suitable numbers 6 : `square` : : `square` : 15
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Solution
Product of extremes = 6 × 15 = 90
Product of means = 90 = 1 × 90
The required sets are 1 and 90, 2 and 45, 3 and 30, 5 and 18, 6 and 15, 9 and 10
= 1 × 90
= 2 × 45
= 3 × 30
= 5 × 18
= 6 × 15
= 9 × 10
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