Two numbers are in the ratio 4 : 3 . If we add 05 in each number then the ratio becomes 5 : 4. Find the least number.

24 25 15 20

15

1st :  2nd = 4 : 3 ATQ, ⇒ \(\frac{4R + 5}{3R + 5}\) = \(\frac{5}{4}\) ⇒ 16R + 20 = 15R + 25 ⇒ 1R = 5 So, Least No. = 3R = 3 × 5 = 15