Quantitative Aptitude - Arithmetic Ability Questions

The LCM of two numbers is 66. The numbers are in the ratio 2:3. The sum of the numbers is

A tower stands on the top of a building which is 40 metres high. The angle of depression of a point situated on the ground from the top and bottom of the tower are found to be 60 and 45 deg respectively. What is the height (in metres) of tower?

Triangle ABC as shown in figure has line XY parallel to the BC and the line BY is the bisector of angle XYC. Which of the following option is correct?

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?

From a point, 40 m apart from the foot of a tower, the angle of elevation of its top is 60°. The height of the tower is

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

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

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.