Quantitative Aptitude - Arithmetic Ability Questions

The average of marks obtained by 100 candidates in a certain examination is 30. If the average marks of passed candidates is 35 and that of the failed candidates is 10, what is the number of candidates who passed the examination?

The sum of 15 observations of a data is (434 + x). If the mean of the data is x, then the value of x is

Deepti bought a set of cups for Rs. 175, but then had to sell it later to clear old stocks for Rs. 161. What is the percentage of loss that she had to incur?

Profit of Rs 144000 has to be divided among three partners Akram, Bipin and Chintan in the ratio 3:2:7. How much Rs. Chintan get?

If 2x- ­2(x ­- 2) < 5 ­- x > ­-2x + 2; then the value of x is

What is the total number of points in the plane of triangle ABC which is equidistant from the vertices of the triangle?

In a Kite _____.

If x tan 60° + cos 45° = sec 45° then the value of x2 + 1 is