Quantitative Aptitude - Arithmetic Ability Questions

If 2cosAsinB = x, then the value of x is?

Hiten marks his pen at Rs 9800 and after allowing discount of 20%, he still earns 12% profit. What is the cost price (in Rs) of the pen?

Convert binary 1101111 to decimal.

Average of all even numbers between 222 and 250 is __________.

In a triangle PQR, ∠Q = 90°. If PQ = 12 cm and QR = 5 cm, then what is the radius (in cm) of the circum circle of the triangle?

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

Find the value of 777777?

In a motor of 120 machine parts, 5% parts were defective. In another motor of 80 machine parts, 10% parts were defective. For the two motors considered together, the percentage of defective machine parts were