Quantitative Aptitude - Arithmetic Ability Questions

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

What is the area (in sq cm) of a rectangle if its diagonal is 51 cm and one of its sides is 24 cm?

Reflection of the point (2,­7) in the y­axis is

If the time increases by 7 years, then simple interest increases by Rs 8400 on a sum of Rs 6000. What is the rate (in percentage) of interest per annum?

Three years ago, the average age of a family of 5 members was 17 years. A baby having been born, the average age of the family is the same today. The present age of the baby is

A 800 metres long train is running at the speed of 90 km/hr. If it crosses a bridge in 50 seconds, then what is the length (in metres) of the bridge?

The HCF of two numbers is 12 and their LCM is 72. If one of the two numbers is 24, then the other number is

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