If one-third of one fourth of a number is 15, then three-tenth of that number is:
সমাধান
সঠিক উত্তর: Option D
let the number be X
now,
1/3 * 1/4 * X = 15
or, 1/12*X = 15
or, X = 15*12 = 180
Thus,
(3/10) * X = (3/10) * 180 = 3 * 18 = 54
