Quantitative Aptitude - Arithmetic Ability Questions

The midpoints of AB and AC of a triangle ABC are X and Y respectively. If BC+XY=12 units, then BC­XY is

Find the total surface area (in cm2) of a right circular cone of diameter 21 cm and slant height 11 cm.

AD is the Median of Δ ABC. If O is the centroid and AO = 10 cm then OD is

What will come in the place of the question mark (?) in the following number series?305, 338, 404, 503, 635 , (?)

In the following question, four number pairs are given. The number on left side of (–) is related to the number of the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out 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 a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

An equilateral triangle has sides of 10 cm each. Find the ratio of in-radius to the circum-radius of the triangle.

If tan θ + sec θ = (x – 2)/(x + 2), then what is the value of cos θ?