Quantitative Aptitude - Arithmetic Ability Questions

2 ­- (cosA + sinA)2 is equal to

What is the sum of the first 13 terms of an arithmetic progression if the 5th term is 1 and the 8th term is -17?

In what ratio is the segment joining (-1,-12) and (3,4) divided by the x-axis?

Daily local train ticket costs Rs 30 and Monthly Pass costs Rs 670.8. If I buy the Monthly Pass and travel for 26 days in a month than I save?

The side BC of the ΔABC is extended to the point D. If ∠ ACD = 112° and ∠B = 3/4 ∠A, then the value of ∠B is

A and B can do a piece of work in 72 days. B and C can do it in 120 days and A and C can do it in 90 days. A alone can do it in:

A student, by mistake, wrote 64 in place of 46 as a number at the time of finding the average of 10 given numbers & got the average as 50. The correct average of the numbers is

In a class of 39 students there are 36 girls. The average weight of these girls is 38 Kg and average weight of the full class is 40 kgs. What is the average weight of the boys of the class?