Quantitative Aptitude - Arithmetic Ability Questions

The average height of 50 bats is 126 cm. Some bats of average height 120 cm are removed. If the new average height is 130 cm, then how many bats are remaining?

Raghavendra sells a machine for Rs 43 lakhs at a loss. Had he sold it for Rs 52 lakh, his gain would have been 5 times the former loss. Find the cost price of the machine.

A work can be completed by 18 boys in 24 days. If 6 boys leave after working for 12 days, then how many days will be needed to complete the remaining work?

If cosθ = x2-y2x2+y2, then the value of cotθ is

Two students appeared for an examination. One of them secured 16 marks more than the other and his marks were 75% of the sum of their marks. The marks obtained by them are

What is the equation of the line whose y­-intercept is 4 and making an angle of 45° with the positive x-­axis?

What is the total number of points in the plane of triangle ABC which is equidistant from the vertices of the triangle?

If -5x3+2 = x-6, then find the value of x?