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प्रश्न
Number of whole numbers between 38 and 68 is ______.
विकल्प
31
30
29
28
उत्तर
Number of whole numbers between 38 and 68 is 29.
Explanation:
Whole numbers between 38 and 68 are 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66 and 67.
Total whole numbers between 38 and 68 = 29
Alternate Method: Let a = 38 and b = 68
Then, number of whole numbers between a and b
= b – a – 1 ....[When b > a]
Number of whole numbers between 38 and 68 = 68 – 38 – 1 = 29
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