Quantitative Aptitude - Arithmetic Ability Questions

The point R(a,b) is first reflected in origin to R1 and R1 is reflected in X-axis to (-5,1). The co-ordinates of point R are?

If 1aa2+1 = 3, then the value of a6+1a3 is

Select the odd word/letters/number/number pair from the given alternatives.

Δ LMN is right angled at M. If m∠N = 60°, then Tan L =______.

If x = 2 +√3, y = 2 – √3 and z = 1, then what is the value of (x/yz) + (y/xz) + (z/xy) + 2 [(1/x) + (1/y) + (1/z)]?

If cosA = x, then x is

Ramu can row 9 kmph in still water. It takes him twice as long to row up as to row down. Find the rate of stream.

In ΔDEF measure of angle E is 90°. If cosD = 8/17, and DE = 16cm, then what is the length (in cm) of side DF?