Quantitative Aptitude - Arithmetic Ability Questions

There are 1400 students in a school, 25% of those wear spectacles and 2/7 of those wearing spectacles are boys. How many girls in the school wear spectacles?

What is the value of ( 1/3 + cosec30)?

Find the value of 532+108

What is the equation of a line of slope 1/3 and y-intercept 5?

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

A's salary was decreased by 50% and subsequently increased by 50%. How much percent does he lose?

If x + y = 3, then what is the value of x3 + y3 + 9xy?

In a one day match of 50 overs in an innings the Team A had a run rate of 6.1 runs per over. Team B is playing and 10 overs are left and the required run rate to tie the match is 6.5 per over. What is Team B's score now?