Quantitative Aptitude - Arithmetic Ability Questions

Which of the following quadratic equations has equal roots?

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

If 9/4th of 7/2 of a number is 126, then 7/2th of that number is _____.

Weight of A and B are in the ratio 11 : 8. A’s weight increases by 40% and the total weight of A and B increases by 30%. What is the percentage increase in the B’s weight?

If 1 dupatta is offered free on purchase of 4 dupattas priced Rs 1300 each what is the effective discount on each dupatta?

Which of the following value of 'x' satisfies the equation 814x+4 = 2432x+8?

The value of sinθ+sin∅cosθ+cos∅ + cosθ-cos∅sinθ-sin∅ is

Find out the odd word/letters/number pair from the given alternatives