15% of 60 added to 20% of which number gives 74 ?,
1) 325
2) 285
3) 145
4) 425
25 years ago a man was four times as old as his son. wbose present age is 33 years. What is ihe present age of the father in terms of the years ?
(1) 40
(2) 52
(3) 57
(4) 75
