Quantitative Aptitude - Arithmetic Ability Questions

A vendor buys 6 bananas for Rs 25 and sells them at 3 for Rs 20. What is his profit percentage?

A new topic named Problem Solving was also introduced and it was decided that 10% time of all topics except Arithmetic will be devoted to it. What will be the central angle (in degrees) made by Problem Solving in the new pie chart?

X can finish 25% of a work in a day. Y can do 12.5% of the same work in a day. In how many days, will both of them finish the work together?

Simplify (b2x 3a2z4 ) × (b2x 4a4z3 )/(a3b2z4 )

What is the area of the sector whose central angle is 90° and radius of the circle is 14 cm?

If the elevation of the Sun changes from 30° to 60° , then the difference between the lengths of shadows of a pole 15 m high, is

What is the Compound interest on Rs. 5000 in 3 years, if the rate of interest is 4% for the first year, 3% for the second year and 2% for the third year?

Find the area (in cm2) of a semi-circle of radius 28 cm.