Quantitative Aptitude - Arithmetic Ability Questions

In the following question, select the missing number from the given series.1 108, 81, 54, 27, ?

The simple and compound interest that can be earned in two years at the same rate is Rs 1,000 and Rs 1,040 respectively. What is the rate (percent per annum) of interest?

What is the ratio of simple interest earned on certain amount at the rate of 12% for 6 years and that for 12 years?

A tap can fill a tank in 50 minutes. If the tank has a leakage which alone is capable of emptying the tank in 2.5 hours, the tank will now be filled in

The smallest number, which should be added to 756896 so as to obtain a multiple of 11, is

Which of the following is correct?

Ram and Rahim standing at a distance of 680m run towards each other at a speed of 8 m/sec and 9 m/sec respectively. After how long will they meet?

A businessman imported Laptops, worth Rs 210000, Mobile phones worth Rs 100000 and Television sets worth Rs 150000. He had to pay 10% duty on laptops, 8% on Phones and 5% on Television sets as a special case. How much total duty (in Rupees) he had to pay on all items as per above details?