Quantitative Aptitude - Arithmetic Ability Questions

If Data Interpretation and Modern Maths were taught for a combined time of 96 hours, then for how much time (in hours) were Number system and Geometry
taught?

What is the sum of the first 9 terms of an arithmetic progression if the first term is 7 and last term is 55?

Select the odd word/letters/number/number pair from the given alternatives.

A shopkeeper by selling 21 Nike shoes, earns a profit equal to the selling price of 5 Nike shoes. His profit percentage is

The price of an article is discounted by 25%, to restore to its original value, the new price must be increased by

Select the odd word/letters/number/number pair from the given alternatives.

The diameter of a circle is 28 cm find its area?

The ratio of incomes of C and D is 3 : 2. Ratio of income of D and E is 5 : 4. If one-third of C’s income is Rs 4000 more than the half of E’s income, then what is the D’s income (in Rs)?