Q. The least number of four digits which is divisible by 15, 25, 40 and 75 is_________?
a. 9000
b. 9400
c. 9600
d. 9800
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
