Quantitative Aptitude - Arithmetic Ability Questions

What are the roots of the quadratic equation: x2 + 3x ­- 154 = 0

A solid sphere of diameter 17.5 cm is cut into two equal halves. What will be the increase (in cm2) in the total surface area?

PT is a tangent to a circle with centre O and radius 6 cm . If PT is 8 cm then length of OP is

Radius of cross section of a solid right circular cylindrical rod is 3.2 dm. The rod is melted and 44 equal solid cubes of side 8 cm are formed. The length of the rod is (Take Π = 22/7)

In the given fig, ST||RP, then what is the value of supplementary angle y (in deg)?

The average height of A, B and C is 148 cm. If the average height of A and B is 136 cm and that of B and C is 125 cm, then what is the height (in cm) of B?

For an article the profit is 170% of the cost price. If the cost price increases by 20% but the selling price remains same, then what is the new profit percentage?

A number 35786X625 is completely divisible by 9, find the smallest whole digit number in the place of ‘X’.