Quantitative Aptitude - Arithmetic Ability Questions

The sum of a fraction and 3 times its reciprocal is 37/10. What is the fraction?

The mean of marks secured by 45 students in division A of class X is 69, 65 students of division B is 65 and that of 50 students of division C is 63. Find the mean of marks of the students of three divisions of Class X.

The first and last terms of an arithmetic progression are 29 and -49. If the sum of the series is -140, then it has how many terms?

What is the sum of the first 12 terms of an arithmetic progression if the 3rd term is -13 and the 6th term is -4?

What is the value of √2 Sec 45° + (1/√3)Tan 30°?

In a Rhombus ABCD, measure of angle CAB is 30°, what is the measure of angle ABC?

A, B and C can finish a job working alone in 20, 30 and 60 days respectively. They all work together for 1 day, then A and B quit. How many days C working alone will take to finish the remaining part of the job?

A non-zero number is greater than 7 times its reciprocal by 9.3. What is the number?