Quantitative Aptitude - Arithmetic Ability Questions

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

If cosec 45° - sin 30° = x, then x is

If x - y = -8 and xy = 45, then (x2 + y2) is

What is the value of tan 7π/4?

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

In the following question, select the odd letter/letters from the given alternatives.

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

The radius of two circles is 3 cm and 4 cm. The distance between the centres of the circles is 10 cm. What is the ratio of the length of direct common tangent to the length of the transverse common tangent?