Quantitative Aptitude - Arithmetic Ability Questions

Convert decimal number 101 to binary.

A person purchased 10 shirts costing Rs 150 per shirt. Next day  he again purchased the shirts costing Rs 150 per shirt at a discount of Rs 30 per shirt and that day he spent a toal of Rs 1800. What is the average cost per shirt (in Rs)?

For what value of 'y', x2 + 112x + y2 is a perfect square?

Pipes A, B, and C are attached to an empty cistern. While the first two can fill the cistern in 4 and 10 hours, respectively, the third can drain the cistern, when filled, in 6 hours. If all the three pipes are opened simultaneously when the cistern is three-fifth full, how many hours will be needed to fill the cistern?

select the odd word/letters/number/number pair from the given alternatives.

What is the value of [sin (y – z) + sin (y + z) + 2 sin y]/[sin (x – z) + sin (x + z) + 2 sin x]?

What is the value of (4a2 + 8b + 14c + 2)/2 ?

In a rectangle _____.