Two -fifth of one -fourth of three seventh of a number is 15. what is the half of the number ?
Two -fifth of one -fourth of three seventh of a number is 15. what is the half of the number ? Correct Answer 175
Let, The number = x ATQ, 2/5 × ¼ × 3/7 × x = 15 Or, 16x/ 140 = 15 Or, x = 350 so, ½ of 350 = 175 ans: 175