Quantitative Aptitude - Arithmetic Ability Questions

A sump is filled by three tankers with uniform flow. The first two tankers operating simultaneously fill the sump in the same time during which the sump is filled by the third tanker alone. The second tanker fills the sump 5 hours faster than the first tanker and 4 hours slower than the third tanker. The time required by the first tanker is:

∆DEF is right angled at E. If m∠F = 45°, then find the value of (cosecD - 1/√3).

A bus is running at a speed of 90 kmph. What distance will it cover in 20 seconds?

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?

Find the radius of the circle if the length of its arc is 33 cm whose corresponding central angle is 90° ?

Mohan earns a profit of 20% on selling a jean at 15% discount on printed price. The ratio of the cost price to printed price of the jean 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. ?

Find the value of  x3 - y3, if x - y = 4 and xy = 12.