Quantitative Aptitude - Arithmetic Ability Questions

Find the odd word/number/letters from the given alternatives

Four pairs of words are given. Find the odd one out.

A sum of Rs 6000 becomes Rs 7200 in 2 years, when invested in a scheme of simple interest. If the same sum is invested in a scheme of compound interest with same yearly interest rate (compounding of interest is done yearly), then what will be the amount (in Rs) after 3 years?

If cos2x + cos4x = 1, then tan2x + tan4x =

The distance between the centres of two circles is 61 cm and their radii are 35 cm and 24 cm. What is the length (in cm) of the direct common tangent to the circles?

All sides are congruent in a _____.

Select the odd letters from the given alternatives.

If Girish's salary is 4/9 times of Harishankar's and Shirish's salary is 5/6 times of Harishankar's, what is the ratio of Girish's salary to Shirish's.