Quantitative Aptitude - Arithmetic Ability Questions

The sum of a non-zero number and ten times its reciprocal is 7. Find the number.

The average weight of P, Q and R is 71 kg. If the average weight of P and Q be 66 kg and that of Q and R be 76.5 kg, then the weight (in kg) of Q is.

A factory buys 10 machines. 1 Machine­A, 4 Machine­B and rest Machine­C. Prices of the machines are Rs 90000, Rs 40000 and Rs 40000 respectively. Calculate the average cost of these machines?

Which of the following quadratic equations has real roots?

If ab+ba = -1, then the value of a2b-b2a is

Select the odd letters from the given alternatives.

30% of a number exceeds 25% of the same number by 27. What is the value of the number?

PQRA is a rectangle, AP = 22 cm, PQ = 8 cm. ΔABC is a triangle whose vertices lie on the sides of PQRA such that BQ = 2 cm and QC = 16 cm .Then the length of the line joining the mid points of the sides AB and BC is