Quantitative Aptitude - Arithmetic Ability Questions

If x+1x = 2, then x2+1x2 = ?

If rsin∅ =1, rcos∅=√3, then the value of r2tan∅ is

Find the smallest 8 digit number which is exactly divisible by 121.

If Mr. Raghav taught a total of 500 hours, then what is the difference in number of hours of teaching algebra and modern Maths?

If 7 times the seventh term of an Arithmetic Progression (AP) is equal to 11 times its eleventh term, then the 18th term of the AP will be

The area of a semicircle is 308 sq.cm. Calculate its perimeter (in cm)

In ∆ABC, ∠A = 90°, AD ⊥ BC and AD = BD = 2 cm. The length of CD is

What is the reflection of the point (4 , -3) in the line y = 1?