Quantitative Aptitude - Arithmetic Ability Questions

What is the sum of the first 11 terms of an arithmetic progression if the first term is -31 and last term is 29?

Choose the one which is different or odd from the following options?

In ΔPQR measure of angle Q is 900. If sinP = 12/13, and PQ = 1cm, then what is the length (in cm) of side QR?

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

Average age of 5 students of a school is 14 years. The average age of students and their Mathematics and science teachers is 30 years. If the age of science teacher is 6 years more than the age of Mathematics teacher, then what is the age (in years) of Mathematics teacher?

Which of the following is in ascending order?

The effective annual rate of interest corresponding to a nominal rate of 19% per annum payable half­yearly is:

At 8% simple interest per annum a sum of money becomes Rs. 300 in 2.5 years. What was the sum invested?