Quantitative Aptitude - Arithmetic Ability Questions

If A = 1 – 10 + 3 – 12 + 5 – 14 + 7 + ... upto 60 terms, then what is the value of A?

1/(secA + tanA) is equal to

20% discount is offered on an item. By applying a promo code the customer wins 10% cash back. What is the effective discount?

Cost price of a calculator is Rs 495. If the profit percentage is 40%, then what is the value (in Rs) of profit?

The average of marks of 17 students in an examination was calculated as 71. But it was later found that the mark of one student had been wronglyentered as 65 instead of 56 and another as 24 instead of 50. The correct average is

For x > 0, what is the minimum value of  x + x+22x?

The point P(a, b) is first reflected in origin to P1 and P1 is reflected in Y-axis to (4, -3). What are the co-ordinates of point P?

38% of a number is 133. What is the number?