Quantitative Aptitude - Arithmetic Ability Questions

Two circles touch externally. The sum of their areas is 130π sq.cm and the distance between their centers is 14 cm. The radius of the bigger circle is

The sum of three numbers is 2, the 1st number is 1/2 times the 2nd number and the 3rd number is 1/4 times the 2nd number. The 2nd number is

K is 5 years older to H. H is 3 years younger to R. R is 6 years older to C. C is 7 years younger to L. Who is the eldest?

An object travels 24 m in 3 s and then another 15 m in 2 s. What is the average speed of the object?

In a one day match of 50 overs in an innings the Team A had a run rate of 6.1 runs per over. Team B is playing and 10 overs are left and the required run rate to tie the match is 6.5 per over. What is Team B's score now?

If a4 + 1 = [a2 /b2 ] (4b2 – b4 – 1), then what is the value of a4 + b4?

What is the equation of the line perpendicular to the line 5x + 3y = 6 and having Y-intercept -3?

What is the area (in sq cm) of a rectangle of perimeter 48 cm and breadth 10 cm?