Quantitative Aptitude - Arithmetic Ability Questions

An equilateral triangle of area 300 cm2 is cut from its three vertices to form a regular hexagon. Area of hexagon is what percent of the area of triangle?

If x+1x = 4, then what is the value of x6+1x6 ?

The traffic lights at four different road crossings change after every 15 sec, 18 sec, 27 sec and 30 sec respectively. If they all change simultaneously at 6:10:00 hours, then at what time will they again change simultaneously?

The value of the expression 2(sin6θ+cos6θ) - 3(sin4θ+cos4θ) + 1 is

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

Which of the following is correct?

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