Quantitative Aptitude - Arithmetic Ability Questions

Find the unit digit in the given product (4211)102 x (361)52.

If x3 + y3 + z3 = 3(1 + xyz), P = y + z – x, Q = z + x – y and R = x + y – z, then what is the value of P3 + Q3 + R3 – 3PQR?

The ratio of two numbers is 5 : 6. If their product is 1470, then what is the sum of both the numbers?

If the ratio of marked price and selling price is 11 : 10, then what is the discount percentage?

In the following question, select the odd letter pair from the given alternatives.

For triangle PQR, find equation of altitude PS if co­-ordinates of P, Q and R are (6,2), (0,3) and (­-4,5) respectively?

The greatest perfect square number of 6 digits is

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: