Quantitative Aptitude - Arithmetic Ability Questions

The sum of the ages of husband and wife at present is 56. Ten years ago the product of their ages was 320. What is the age of the husband and the wife?

(242699 + 167109) ÷ (9946 –9446) = ?

Between 50 and 150 how many numbers are divisible by 7?

Find the unit place digit in 71 x 72 x 73 x 74 x 76 x 77 x 78 x 79.

A trader had 12 quintals of wheat. He sold a part of it at 13% profit and the rest at 23% profit, so that he made a total profit of 17 %. How much wheat did he sell at 23% profit?

A wholesaler sells a watch to a retailer at a gain of 35% and the retailer sells it to a customer at a loss of 25%. If the customer pays Rs 2379.375, what had it cost the wholesaler?

In ΔABC, D and E are points on side AB and AC respectively. DE is parallel to BC. If lengths of AD, DB and AE are 8 cm, 4 cm and 12 cm respectively, what is the length of AC?

Select the odd number from the given alternatives.