Quantitative Aptitude - Arithmetic Ability Questions

For which value of ‘g’ the linear graph of 6x + 12y +9 = 0 and 2x + gy + 3 = 0 has infinite number of solutions?

What is the area (in square units) of the figure enclosed by the x-axis, the y-axis and the line x + 2y = 6 ?

Find out the odd word/letters/number/number pair from the given alternatives.

Coefficient of x in (x + 8)(6 -­ 3x) is

The value of -3+3+87+43 is

ΔABC is right angled at B. BD is an altitude. AD = 3 cm and DC = 9 cm. What is the value of AB (in cm)?

A boy crosses a 300 metres wide road in 30 seconds. What is his speed (in km/hr)?

If x2 + ax + b, when divided by x + 3, leaves a remainder of -1 and x2 + bx + a, when divided by x - 3, leaves a remainder of 39, then a+ b = ?