Quantitative Aptitude - Arithmetic Ability Questions

In the following questions two equations numbered I and II are given. You have to solve boththe equations and give answers

I. 2x ² –21x + 54 = 0

II. y ² –14y + 49 = 0

The sum of a fraction and 10 times its reciprocal is 37/4. What is the fraction?

A and B together do a job in 12 days and A could do the job in 20 days if he worked alone. How many days would B take to do the job if he worked alone?

If the shopkeeper sells an item at Rs 4400 which is marked as Rs 5000, then what is the discount that he is offering?

If x + 1/x = 6, then value of x2 + 1/x2 is

In Δ ABC, the median AD is 8 cm and CB is 16 cm, measure of angle CAB is_____ .

If R = 97 and S = 155.2, then S is how much percentage more than R?

Solve the following equation to find x: (x − 2)2 − 36 = 0 : xεN