Quantitative Aptitude - Arithmetic Ability Questions

A man spends 15% of his income. If his expenditure is Rs. 75, his income (in rupees) is:

The list price of an article is Rs. 900. It is available at two successive discounts of 20% and 10% . The selling price of the article is:

A defective piece of article which costs Rs. 1200 is being sold at a loss of 15%. If the price is further reduced by 5%, find the S.P?

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

What is the slope of the line 2x - 5y = 12?

PQ and RS are common tangents to two circles intersecting at A and B. AB, when produced both sides, meet the tangents PQ and RS at X and Y, respectively. If AB = 3 cm, XY = 5 cm, then PQ (in cm) will be

A boy spends Rs 20 to purchase toffees at Rs 1 each. Next day, he purchased some toffees for Rs 40 with a discount of 50 paise per toffee. What is the average price per toffee (in paise)?

The ratio of the present ages of Reena and her husband is 4 : 5. 8 years from now, ages of her husband and her son will be in the ratio 24 : 9. If the present age of Reena is 32 years, then what will be her son’s present age (in years)?