Quantitative Aptitude - Arithmetic Ability Questions

If a retailer offers a discount of 28% on the marked price of his goods and thus ends up selling at cost price, what was the % mark up?

Raghavendra sells a machine for Rs 43 lakhs at a loss. Had he sold it for Rs 52 lakh, his gain would have been 5 times the former loss. Find the cost price of the machine.

If x + [1/(x + 7)] = 0, then what is the value of x – [1/(x + 7)]?

The bar chart given shows the sales of 3 types of cars in the Indian automotive industry over 4 years. All the sales figures have been shown in terms of 000 units.

What is the respective ratio of total sales of Sedan and total sales of SUV over the period of 4 years?

The first and last terms of an arithmetic progression are 29 and -49. If the sum of the series is -140, then it has how many terms?

What is the value of 9991 x 10009?

On dividing a number by 47, we get 75 as quotient and 18 as remainder. What is the number?

A pipe, working at full speed, can fill an empty cistern in 1 hour. However, during the first hour it worked at one-twelfth of its capacity, during the second hour at one-ninth of its capacity, during the third hour at one-sixth of its usual capacity and during the fifth hour it was only one -third as efficient as it was supposed to be. A second pipe also displayed similar performance, but if it worked at full speed would have filled the empty cistern in 2 hours. Together with a drain pipe that drained water out of the tank at a constant rate, the empty cistern could be filled in 5 hours, all the three pipes working concurrently. How many hours will it take the drain pipe to empty the filled cistern if no other pipe was functioning during the time?