Quantitative Aptitude - Arithmetic Ability Questions

What is the value of 13×7+17×11+111×15+...+1899×903 ?

Triangle DEF is right angled at E. If cot D = 5/12, then what is the value of sin F?

What should be added to 3(x­ - 2y) to obtain 2(3x + y) -­ 5(2x + 3)?

If 3x + 2 < 2x + 1 and x ­- 4 ≤ 2x -­ 1; then x can take which of the following values?

Which of the following quadratic equations has equal roots?

Select the odd number from the given alternatives.

A number is greater than 58 times its reciprocal by 3/4. What is the number?

The sum of the length and breadth of a rectangle is 6 cm. A square is constructed such that one of its sides is equal to a diagonal of the rectangle. If the ratio of areas of the square and rectangle is 5 : 2, the area of the square in cm2 is