Quantitative Aptitude - Arithmetic Ability Questions

In ΔPQR, PQ = PR = 18 cm, AB and AC are parallel to lines PR and PQ respectively. If A is the mid-point of QR, then what is the perimeter (in cm) of quadrilateral ABPC?

A square is inscribed in a circle. If the side of the square is 14 cm, what is the area (in sq.cm) of the circle?

The product of two numbers is 40. One of them is 2.50. What is the other number?

The sum of two numbers is equal to thrice their difference. If the smaller of the numbers is 10 find the other number.

In a class consisting of boys and girls, there are 45 students. If three fifth of the students are boys, find the number of boys in the class.

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

If [4(2x/5 - 3/2)]/3 + 7/5 = 37/5, then what is the value of x?

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.