Quantitative Aptitude - Arithmetic Ability Questions

ΔDEF is right angled at E. If secD = 25/7, then what is the value of cosecF ?

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

The mean of the data 1, 2, 10, 18, 3, 17, 19 is

What is the average of first 30 multiples of 9?

If cos4θ-sin4θ=13 then the value of tan2θ is

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

In an acute-angled triangle ABC is Sin(B+A+C)=32 and tan(C+A-B)=1, then C is equal to

A telephone bill costs Rs.13 for 19 minutes. What is the cost in rupees for 15 minutes 50 seconds?(rounded to one decimal)