Quantitative Aptitude - Arithmetic Ability Questions

Determine the value of ‘r’ for which the equation 13x + 5 = rx + 18 has no solution.

Which of the following equations has real and distinct roots?

Select the odd letters from the given alternatives.

A scored 72% in a paper with a maximum marks of 900 and 80% in another paper with a maximum marks of 700. If the result is based on the combined percentage of two papers, the combined percentage is

4 hrs after a goods train passed a station, another train travelling at a speed of 60 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 8 hours. What is the speed of the goods train?

What is the largest 4 digit number which is exactly divisible by 81?

If x2+1x2-6, then find the value of 2x(x-1)x3-x2-x+1

What is the difference of the cube and square of the common root of (x2 – 8x + 15) = 0 and (y2 + 2y – 35) = 0?