Question

Find the smallest 4-digit no. Which is exactly divisible by 32,36 and 48

Answer 1

L.C.M of 32,36 and 48=2 ×2 ×2 ×2 ×2 ×3×3× = 288
required smallest 4-digit number which is divisible by 18, 24 and 32:
the number is = 4 × 288 = 1152.