Quantitative Aptitude - Arithmetic Ability Questions

Convert decimal number 101 to binary.

ABCD is an isosceles trapezium such that AD||BC, AB = 5 cm, AD = 8 cm and BC = 14 cm. What is the area (in cm2) of trapezium?

The average of 10 numbers is X and one of the number is 38. If 38 is replaced with 19, then what will be the new average?

X can do a piece of work in 'p' days and Y can do the same work in 'q' days . Then the number of days in which X and Y can together do that work is

The selling price of an item inclusive of a 16% profit was Rs. 435. What would be the percentage loss if the item was sold for Rs. 330?

If x + [1/(x + 7)] = 0, then what is the value of x – [1/(x + 7)]?

If sinθ x cosθ = 1⁄2 . The value of sinθ ­- cosθ is where 0°< θ< 90°

If x tan 60° + cos 45° = sec 45° then the value of x2 + 1 is