Quantitative Aptitude - Arithmetic Ability Questions

Convert binary 1101111 to decimal.

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

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?

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?

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

The ratio of three numbers is 2 : 5 : 7. If their product is 1890, then what is the sum of the three numbers?

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