Quantitative Aptitude - Arithmetic Ability Questions

The cube of 997 is

If X=32, then the value of 27x3-54x2+36x-11 is

In a quadrilateral PQRS, l_S= 90°. A circle (o, r) touches the sides PQ, QR, RS and SP at A, B, C and D respectively. If QR= 38 cm, RS = 25 cm and QA = 27 cm, find 'r'.

Δ PQR is right angled at Q. If m√R = 30°, then what is the value of Cot P?

What is the value of 1/√2 Cot 30° + 1/√3 Cosec 60°?

The ratio of the heights of Nani and Leelu is 4 : 3. If Leelu is 1.2 m tall, then what is the height of Nani?

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

Select the odd number from the given alternatives.