Quantitative Aptitude - Arithmetic Ability Questions

The average marks of 40 students in an examination was 25. It was later found that the marks of one student had been wrongly entered as 73 instead of 37. What is the value of correct average?

What is the simplified value of tan (θ/2) + cot (θ/2)?

Sum of four times a fraction and 6 times its reciprocal is 11. What is the fraction?

The bus fare between two cities is increased in the ratio 29:31. What is the increase in the fare, if the original fare is Rs 725

The third proportional of two numbers 12 and 48 is

What is the equation of the line whose y-intercept is -3 and makes an angle of 45° with the positive x-axis?

Find the value of 6813+6413314

Find the value of x if 1-x24 = 1318