Quantitative Aptitude - Arithmetic Ability Questions

Select the odd number from the given alternatives.

The areas of a circle and square are equal. What is the square of the ratio of length of diameter to the length of diagonal?

If one-third of a number is 45, then what will be the 45% of that number?

The flight fare between two cities is increased in the ratio 9:11. What is the increase (in Rs) in the fare, if the original fare was Rs. 18,000?

Simple interest on a certain sum of money for 3 years at 8% per annum is half the compound interest on Rs. 16000 for 2 years at 10% per annum. The sum placed on simple interest is:

If the numbers  93, 204, 256 are arranged in ascending order, then the right arrangement is 

Two labourers A and B are paid a total of Rs. 750 per day. If A is paid 150 percent of what is paid to B, how much (in Rs) is B paid?

Raghuram sells a machine for Rs 43 lakhs at a loss. Had he sold it for Rs 53 lakh, his gain would have been 7 times the former loss. Find the cost price of the machine.