Quantitative Aptitude - Arithmetic Ability Questions

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by aLogic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

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

Which of the following is not a Triangular number?

A shopkeeper offers 15% discount on all plastic toys. He offers a further discount of 4% on the reduced price to those customers who pay cash. What does a customer have to pay (in Rs) in case for a toy of Rs 200?

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

Divide Rs.221 in the ratio 1:3:6:7. The rupees in the respective ratios are

The diameter of a circle is equal to the side of the square. What is the area of the square if the area of the circle is 49π sq cm?

BD and CE are two medians of the triangle ABC. If EO = 7 cm, then the length of CE is