Quantitative Aptitude - Arithmetic Ability Questions

For what sum will the simple interest at R% for 2 years will be R?

What is the value of 9991 x 10009?

ABC is a triangle if sin (A+B2)=32 then the value of Sin c2 is

What should be the average speed of the car to cover a distance of 342 km in 1.9 hours?

Ankit runs 324 metres every day for his fitness. According to his daily routine in how many days he covers 8.1 km.

If 7x ­- 5y = 13 and 2x -­ y = 5, then (x -­ y) is

What is the value of x4+y4 when the value of x3+y3=8 and x+y=2 ?

In a triangle PQR, ∠Q = 90°. If PQ = 12 cm and QR = 5 cm, then what is the radius (in cm) of the circum circle of the triangle?