Quantitative Aptitude - Arithmetic Ability Questions

ax + 5y = 8 has slope of -4/3. What is the value of a?

In a triangle the length of the side opposite the angle which measures 30 degree is 12 cm, what is the length of the side opposite to the angle which measures 60 degree?

What is the length of the side of a regular hexagon, if its area is 54√3 sq cm?

If a = 73, b = 74 and c = 75, then what is the value of a3 + b3 + c3 – 3abc?

A batsman scores 98 runs in the 17th match of his career. His average runs per match increased by 2.5. What is his average before the 17th match?

If Giridhar's salary is 5/3 times of Hariraj's and Shaunak's is 2/3 times of Hariraj's, what is the ratio of Giridhar's salary to Shaunak's.

If 13A = 11B = 8C, find A : B : C

In the following question, select the odd number pair from the given alternatives.