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We observe that 12 - 8 = 4, 18 - 14 = 4, 36 - 32 = 4 and 45 - 41 = 4
Hence, the required number should be LCM (12, 18, 36, 45) – 4
The LCM of 12, 18, 36 and 45 = 180.
Hence, required number = 180 – 4 = 176
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13.
The difference between the greatest and least five-digit numbers formed by the digits 2, 5,0, 6, 8 is (repetition of digits are not allowed)
C.
65952
The difference five digit number formed by the digits 2, 5, 0, 6 and 8 = 86520The least five digit number formed by the digits 2, 5, 0, 6 and 8 = 20568
= 65952