Quantitative Aptitude - Arithmetic Ability Questions

If 8x/3 + [7(5 - 2x/3)]/2 = 1/2 , then what is the value of x?

What is 15% of 34 ?

A telephone bill costs Rs.13 for 19 minutes. What is the cost in rupees for 15 minutes 50 seconds?(rounded to one decimal)

The lengths of the two diagonals of a rhombus are 5 cm and 12 cm. Find its area (in cm2)

The first and last terms of an arithmetic progression are 29 and -49. If the sum of the series is -140, then it has how many terms?

The age of Rakhi is twelve times that of her daughter Anubha. If age of Anubha is 3 years now, then what was the age of Rakhi, 2 years earlier?

In an army selection process, the ratio of selected to unselected was 5:1. If 100 less had applied and 20 less selected, the ratio of selected to unselected would have been 6:1. How many candidates had applied for the process?

If 5 ­ 3x < 4 ­ x and 5(2 ­ x) > 2 ­ 2x, then x can take which of the following values?