CBSE Class 6 Answered
The greatest number of four digits which is divisible by 15, 25, 40 and 75 is: _____
Asked by Topperlearning User | 20 Sep, 2016, 02:03: PM
Expert Answer
Greatest number of 4-digits is 9999.
To find the LCM of 15, 25, 40 and 75.
15 = 3 × 5
25 = 5 × 5
40 = 2 × 2 × 2 × 5
75 = 3 × 5 × 5
L.C.M. of 15, 25, 40 and 75 = 2 × 2 × 2 × 3 × 5 × 5 = 600.
On dividing 9999 by 600, the remainder is 399.
Required number (9999 - 399) = 9600.
Answered by | 20 Sep, 2016, 04:03: PM
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