Quantitative Aptitude - Arithmetic Ability Questions

In a Village panchayat society 574 names are enlisted as 'below poverty level'. If 14% of the villagers are below poverty level, the total number of villagers is?

If a vendor sells apples at Rs 170 per kg he suffers 15% loss. If he sells at Rs 230 per kg, then what is his profit percentage?

Simple interest on a certain sum of money for 3 years at 14% per annum is half the compound interest on Rs. 10000 for 2 years at 10% per annum. The sum placed on simple interest is

If α and β are roots of the equation 3x2 – 13x + 14 = 0, then what is the value of (α/β) + (β/α)?

θ is a positive acute angle and sinθ ­ cosθ = 0, then the value of secθ + cosecθ is

If x + y = 10 and xy = 4, then what is the value of x4 + y4?

The measures of the four angles of a quadrilateral are in the ratio 1:2:3:4. What is the measure of the biggest angle?

The mean of 20 observations is 19. One more observation is included and the new mean becomes 20. The 21st observation is