Quantitative Aptitude - Arithmetic Ability Questions

A polygon has 9 sides. What is its interior angle?

From the top of a platform, the angle of elevation of a tower was 30 deg. The tower was 45 mts high and the horizontal distance between the platform and the tower was 40√3 m. What was the height of the platform?

If sin x + cos x = √2 sin x, then the value of tan x is

For what value of C, the system of equation 6x + 2y = 2 & 3x + y = C will be coincident?

The minimum number of straight lines required to construct the given figure is ___.

Consider the following figure shown below and choose which of the following equation is correct about the similarity of both triangles?

A shopkeeper purchased a pen drive of marked price Rs. 1000 at successive discounts of 10% & 15% respectively. He spent Rs. 35 on packaging and sold it on Rs. 1000. Calculate the Gain percent.

Three numbers are given in which the second is triple the first and is also double the third. If the average of the three numbers is 66. Find the first number.