Quantitative Aptitude - Arithmetic Ability Questions

7 litres mixture of milk and water contains 30% water. 3.5 litres of milk is added to this mixture. What is the percentage of water in the new mixture?

The greatest perfect square number of 6 digits is

When 0.363636.....is converted into a fraction, then the result is _____.

Arjun and Anurag complete a job in 6 days and 7 days respectively. They worked together and earned a total of Rs. 780. Find Arjun's share in this amount in Rs. ?

In triangle PQR, the sides PQ and PR are produced to A and B respectively. The bisectors of ∠AQR and ∠BRQ intersect at point O. If ∠QOR = 50°, then what is the value (in degrees) of ∠QPR?

Volume of a cylinder is 13860 cubic cm. If circumference of its base is 132 cm, find the curved surface area of the cylinder?

ΔDEF is right angled at E. If cosD = 8/17, then what is the value of secF ?

If α and β are the roots of equation x2 – x + 1 = 0, then which equation will have roots α3 and β3?