Quantitative Aptitude - Arithmetic Ability Questions

Select the odd number from the given alternatives.

Find the mean proportional between 2 and 98?

What should be added to 5(2x-y) to obtain 4(2x - 3y) + 5(x + 4y)?

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given options.

What is the value of x4+y4 when the value of x3+y3=8 and x+y=2 ?

 In the triangle ABC, the internal bisector of angle A meets the side BC at D. If BD=7.5 cm and BC=9 cm. Then calculate the value of AB:AC.

In the given figure, ABCD is a square, BCXYZ is a regular pentagon and ABE is an  equilateral triangle. What is the value in deg of EBZ?

In what ratio rice costing Rs 14/kg mixed with another rice costing Rs 11/kg to get the mixture costing Rs 11.6/kg?