Quantitative Aptitude - Arithmetic Ability Questions

The average age of 36 students in a group is 14 years. When the teacher's age is included in it, the average increases by one. The teacher's age in years is

The perimeter and the breadth of a rectangle are 82 cm and 20 cm respectively. Calculate the length of its diagonal (in cm).

The number of sides of a regular polygon whose exterior angles are each 40 deg is

The two lines 4x+3y=0 and 7x+5y=0 will ______ in their graphical representation.

Which of the numbers given below is NOT rational?

What is the area of the square, if the length of its diagonal is 13√2 units?

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

If sin = 2/3, find the value of secθ and cotθ