Quantitative Aptitude - Arithmetic Ability Questions

A satellite airtime bill costs Rs. 8 for 5 minutes 40 seconds. What is the cost in rupees for 4 minutes 20 seconds? (Round upto one decimal).

What is the simplest form of (1 + cosA)(cosecA ­ cotA)?

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

What is the value of Cot 60 - Sec 30?

ΔDEF is right angled at E. If cosD = 8/17, then what is the value of secF ?

What is the slope of the line perpendicular to the line passing through the points (8,­2) and (3,­1)?

If (-1/2) * ( x - 5) + 3 = -5/2, then what is the value of x?

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