Quantitative Aptitude - Arithmetic Ability Questions

28% of a number is 35. What is the number?

In a triangle ABC, OB and OC are the bisectors of angles ∠ B and ∠C respectively. ∠BAC = 60°. Then the angle ∠BOC will be

If sinθ+ cosecθ=2, then the value of sin-7∅+cosec7∅ is

A student, by mistake, wrote 64 in place of 46 as a number at the time of finding the average of 10 given numbers & got the average as 50. The correct average of the numbers is

A Lawn roller makes 20 revolutions in one hour. The radius it runs through 25 minutes is

AB is a chord of the circle and its center is “O”. ON is perpendicular to AB. If the length of AB=20 cm, ON-(2√11) cm, find the radius (in cm) of the circle.

The sum for 2 years gives a compound interest of Rs 3225 at 15% rate. Then sum is

What is the value of a-b when a2+b2-6a-6b+18 = 0 ?