Quantitative Aptitude - Arithmetic Ability Questions

In a triangle ABC, AD is angle bisector of ∠A and AB : AC = 3 : 4. If the area of triangle ABC is 350 cm2, then what is the area (in cm2) of triangle ABD?

A train crosses a 550 m long platform in 36 seconds. How long was the train if it was travelling at the speed of 70 kmph?

If the perimeter of a semi-circle is 36 cm, then find its radius (in cm).

If (sinA + CosA)/(sin A - cos A) = 5/4, the value of (tan2A + 1)/(tan2A - 1) = ?

If (6 ­- 18x) -­ (x ­- 7) = 8, then the value of x is ______.

If (7x -­ 13) ­ (12x + 3) = 14, then the value of x is ______ .

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

A bus is running at a speed of 90 kmph. What distance will it cover in 20 seconds?