Quantitative Aptitude - Arithmetic Ability Questions

What is the effective discount on two successive discounts of 20% and 25%?

If 2secA - (1 + sinA)/cosA = x, then the value of x is

If ab-1b=cb-1c=ac-1a, then ac+ba+cb

Solve : 8,23,199.98 × 99.92 = ? × 80,000

The total cost of a microwave oven with mixer was Rs 36750. The mixer was sold at a profit of 32% and the microwave oven at a loss of 22%. If the sale price was the same in both the items, then the cost price of the cheaper item was _____.

ΔABC is similar to ΔPQR. If ratio of perimeter of ΔABC : perimeter of ΔPQR is 5:9 and if PQ = 45 cm, then the length of AB (in cm) is?

A can do a work in 15 days and B in 20 days. If they work on it together for 5 days, then what fraction of work is left?

If R = 97 and S = 155.2, then S is how much percentage more than R?