Q1: The greatest number of four digits which is divisible by 15, 25, 40 and 75 is:
A 9600
B 9400
C 9800
D 9000
ANS:C - 9600
Greatest number of 4-digits is 9999.
L.C.M. of 15, 25, 40 and 75 is 600.
On dividing 9999 by 600, the remainder is 399.
Required number (9999 - 399) = 9600.
Required number (9999 - 399) = 9600.