Quantitative Aptitude - Arithmetic Ability Questions

Which of the following equations has real and distinct roots?

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

If the difference between the compound interest and the simple interest on a certain sum at the rate of 5% per annum for 2 years is Rs. 20, then the sum is

If Cot θ = 24/7, then Sin θ = ?

Reflection of the point (4,-5) in the y-axis is

α and β are the roots of quadratic equation. If α + β = 8 and α – β = 2√5, then which of the following equation will have roots α4 and β4?

In the following question, select the odd word pair from the given alternatives.

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