Quantitative Aptitude - Arithmetic Ability Questions

x, y and z are real numbers. If x3 + y3 + z3 = 13, x + y + z = 1 and xyz = 1, then what is the value of xy + yz + zx?

The arithmetic mean of the marks scored by students of a class is 58. 20% of them secured a mean score of 60. The mean score of another 30% of the students was 40. The mean score of the remaining students is

In ΔDEF measure of angle E is 90 deg. If sinD = 15/17, and DE = 4cm, then what is the length (in cm) of side EF?

What is the value of z2+1z2 when z = 5+26 ?

 What is the value of (cosec45 + √3/2) ?

What is the equation of the line whose y­-intercept is 4 and making an angle of 45° with the positive x-­axis?

Divya and Kriti have total 46 candies. If Divya has 10 candies more than kriti, then find the total number of candies Divya have?

Select the odd number from the given alternatives.