Quantitative Aptitude - Arithmetic Ability Questions

A table is sold at a discount of 45%. If the marked price of the table is Rs 10800, then what is the selling price (in Rs) of the table?

If two complimentary angles are in the ratio of 11 : 7, find the smaller angle.

Calculate the sum of squares from 1 to 9.

What is the value of 2 consecutive natural numbers, sum of whose squares is 145?

A number is greater than 58 times its reciprocal by 3/4. What is the number?

Average age of 5 students of a school is 14 years. The average age of students and their Mathematics and science teachers is 30 years. If the age of science teacher is 6 years more than the age of Mathematics teacher, then what is the age (in years) of Mathematics teacher?

In a triangle the length of the side opposite the right angle is 6 cm, what is the length of the side opposite to the angle which measures 30°?

What is the equation of the line perpendicular to the line 2x + 3y= -6 and having Y-intercept 3?