Quantitative Aptitude - Arithmetic Ability Questions

The ratio of two numbers is 2 : 3. If the sum of both the numbers is 75, then what is the larger number among both the numbers?

2*[­0.3(1.3 + 3.7)] of 0.8 = ?

The first and last terms of an arithmetic progression are 37 and ­18. If the sum of the series is 114, then it has how many terms?

The diameter of a circle is 28 cm find its area?

If x + 1/x = 6, then value of x2 + 1/x2 is

The average of runs scored by a cricketer in his 99 innings is 99. How many runs will he have to score in his 100th innings so that his average of runs in 100 innings may be 100?

Of the 3 numbers whose average is 70, the first is 1/9 times the sum of other 2. The first number is

The sum of two fractions is 5/6. One of them is 3/4, what is the other fraction?