Quantitative Aptitude - Arithmetic Ability Questions

Calculate the value of 61681x61681-31681x3168130000

In the following question, select the odd letters from the given alternatives.

A boat moves down stream at the rate of 8km/hr. and upstream at 4Km/hr. The speed of the boat in still waters is:

Three categories of employees get wages in the ratio of 1 : 2 : 3. If they get increments of 5%, 10% and 15% respectively, what will be the new ratio of their wages?

The population of a town is 200000. It increases annually at the rate of 10%. What will be the population after 2 years?

A wholesaler sells a good to a retailer at a profit of 5% and the retailer sells it to a customer at a profit of 10%. If the customer pays Rs. 2,000, what had it cost (in Rs) the wholesaler?

Among three numbers, the first is twice the second and thrice the third. If the average of three numbers is 506, then what is the difference between the first and the third number?

One number is 25% of another number. The larger number is 12 more than the smaller. The large number is