Mathematics Subcategories

Maths MCQs	Time and Distance MCQs
Time and Work MCQs	Ratio And Proportion MCQs
Profit And Loss MCQs	Percentage
Profit	Currency
Quadratic Equations	Geometry
Algebra	Ratio
Mathematics	Powers
Work Calculation	Angles
Compound Interest	Divisibility
Averages	Sequence
Geometric Shapes	Pythagorean Theorem
Fractions	Binomial Theorem
Age Calculation	LCM Calculation
Prime Numbers	Equations
Trigonometry	Arithmetic
Number Series	Series Completion
Finance	Logarithms
Radical Form	GST Calculation

The sum of the ages of father and son is 50 years. If ten years ago the father’s age was 9 times the age of his son, then the present age of the father is:

a. 35 years
b. 37 years
c. 39 years
d. None of these

The sum of the ages of two children is 12 and their product is 32. The age of the elder one is:

a. 6 years
b. 8 years
c. 10 years
d. 12 years

Explanation: Solving the quadratic equation from the given conditions, the ages are 4 and 8 years.