Quantitative Aptitude - Arithmetic Ability Questions

Find the 4th proportional to 9, 17 and 27.

Complete the number series by choosing the missing terms from the options. 32, 64, 256, 1536, ? ,122880,1474560

The value of -3+3+87+43 is

A number when divided by the sum of 555 and 445 gives two times their difference as quotient and 30 as the remainder. The number is

Find the least number which when divided by 12, 15, 18 and 27 leaves remainders 10, 13, 16 and 25 respectively.

Pipes A and B, when working together, can fill an empty tank in 8 hours. If B is stopped after 2 hours, it will take a total of 11 hrs to fill the tank. How long would it take A to fill the empty tank alone?

The traffic lights at four different road crossings change after every 15 sec, 18 sec, 27 sec and 30 sec respectively. If they all change simultaneously at 6:10:00 hours, then at what time will they again change simultaneously?

The ratio of the cost price and selling price of an article is 5 : 3. What is the loss percentage?