Quantitative Aptitude - Arithmetic Ability Questions

Find the odd words/letter/number from the given alternatives:

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.

If 5 -­ x > 1 + 3x and 5 + 5x ≥ 2 + 2x; then x can take which of the following values?

Calculate the ratio of the area of two similar triangles if the sides of the triangles are in the ratio of 9:4.

A cone of radius 3.5 cm and height 12 cm is completely filled with water. This water is emptied into an empty cylindrical vessel of radius 7 cm. What will be the height of water in this vessel?

A mini-van crosses two people walking at the speed of 4.8 kmph and 6 kmph in the same direction as that in which the mini-van is heading in 4.5 s and 9 s, respectively. What is the length of the mini-van?

By dividing 14528 by a certain number, Suresh gets 83 as quotient and 3 as remainder. What is the divisor?

The ratio of total surface area and volume of a sphere is 1 : 7. This sphere is melted to form small spheres of equal size. The radius of each small sphere is 1/6th the radius of the large sphere. What is the sum (in cm2) of curved surface areas of all small spheres?