Quantitative Aptitude - Arithmetic Ability Questions

ABC is a triangle if sin (A+B2)=32 then the value of Sin c2 is

The average weight of P, Q and R is 71 kg. If the average weight of P and Q be 66 kg and that of Q and R be 76.5 kg, then the weight (in kg) of Q is.

The 3rd and 9th term of an arithmetic progression are -8 and 10 respectively. What is the 16th term?

What is the value of Cot 45° - (1/√3)Cosec 60°?

If in a triangle ABC, Sin A = Cos B then the value of Cos C is

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

The mean of the 5 smallest numbers from a group is 15 while the mean of all the 13 members of the group taken together is 17. What is the mean of the 8 largest numbers?

The mean score in a test of the 12 boys in a class was 16 while the overall mean of the 30 students in the class was 18.1. What was the mean score of the girls?