Quantitative Aptitude - Arithmetic Ability Questions

In a triangle the length of the side opposite the right angle is 9√3 cm, what is the length of the side opposite to the angle which measures 30 degree?

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

In the following question, select the odd letters from the given alternatives.

A person lent certain sum of money at 10% per annum simple interest. In 20 years the interest amounted to Rs 500 more than the sum lent. What was the sum lent (in Rs)?

The average of a,b,c is 20 and that of b,c,d is 25; if d=30, then the value of a is

Pradeep has done 1/4th of a job in 14 days, Saquib completes the rest of the job in 56 days. In how many days can they together complete the job?

What is the Number of candidates who had applied if the ratio of selected to unselected was 14 : 25. If 35 less had applied and 10 less selected, the ratio of selected to unselected would have been 3 : 5?

At what rate of compound interest per annum will a sum of Rs 20000 become Rs 23328 in 2 years?