Quantitative Aptitude - Arithmetic Ability Questions

a, b and c are 3 values, such that a + b = 5, b + c = 7.5 and c + a = 8.5. What will be the average of these values?

Which one of the following is the minimum value of the sum of two integers whose product is 24?

The value of tan80° tan10° + sin270° + sin20∘

Which of the following quadratic equations has real roots?

If x = 1 + √2 + √3, then the value of x2-2x-4=0

The ratio of two numbers is 6 : 11 and their difference is 65. What will be the smaller number among both the numbers?

Two numbers are in the ratio 5:6 when 6 is added to each, the ratio becomes 7:8 then the numbers are

The angle of elevation of a ladder leaning against a wall is 60 deg and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is