Quantitative Aptitude - Arithmetic Ability Questions

Select the odd letters from the given alternatives.

Which of the following quadratic equations has real roots?

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

D, E, F are the mid - points of the sides BC , CA and AB respectively of a ΔABC . Then the ratio of the areas of ΔDEF and ΔABC is

The ratio of present ages of Anil and Aakash is 4 : 5. Three years later their ages will be in ratio 7 : 8. What is the present age (in years) of Anil?

The sum of all prime numbers between 58 and 62 is

The mid points of AB and AC of the Δ ABC are P and Q respectively. If PQ = 6 cm, then the side BC is

What is the average of all numbers between 8 and 74 which are divisible by 7?