Quantitative Aptitude - Arithmetic Ability Questions

If x3 – 4x2 + 19 = 6(x – 1), then what is the value of [x2 + (1/x – 4)]?

If a - b = -7 and a2+ b2= 85, then find ab.

If compound interest received on a certain amount in the 3rd year is Rs. 12,100, what will be the compound interest (in Rs) for the 4th year on the same amount if rate of interest is 9%?

If the 8 digit number 136P5785 is divisible by 15, then find the least possible value of P?

The surface areas of three faces of a cuboid sharing a vertex are 20, 32 and 40 sq. mts. What is the volume of the cuboid in cub. m?

In ΔPQR, S and T are points on side PQ and PR respectively. ST is parallel to QR. If lengths of PS, SQ and PR are 6 cm, 9 cm and 12.5 cm respectively, what is the length of TR?

A batsman in his 12th innings makes a score of 120, and thereby increase his average by 5. The average score after 12th innings is

Find the odd word/letters/numbers pair from the given alternatives.