A man is four times as old as his son. The difference bet...
A man is four times as old as his son. The difference between their ages is 36 years Find the sum of their ages
45 years
48 years
60 years
74 years
Correct answer is C
Let the sons age be x. The father is 4x ∴ 4x - x = 36; 3x = 36; x = 12 The son is 12 years and the father is 12 x 4 = 48. The sum of their ages (12 + 48) years = 60years
What is the positive difference between the squares of 2.5 and 2.1 to 1 significant figures? ...
Express \((0.0439 \div 3.62)\) as a fraction....
In base ten, the number 101101 (base 2) equals ...
Find the principal which amounts to N5,500 at a simple interest in 5 years at 2% per annum. ...