CMAT 2014 Solved Question Paper

(b) The least number which is divisible by 6, 7 and 15 = LCM of 6, 7, 15 =210
So, the first number is 210 and the other numbers are the multiples of 21O i.e., 210. 420, 630, 840.
Hence. 4 numbers are lying between 1 and 1000.