Quantitative Aptitude - Arithmetic Ability Questions

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

30% discount is offered on an item. By applying a promo code the customer wins 10% cash back. What is the effective discount?

The value of x for which the expressions 15 ­ 7x and 15x + 7 become equal is _____.

What is the value of √2 Sec 45° + (1/√3)Tan 30°?

If Girish's salary is 4/9 times of Harishankar's and Shirish's salary is 5/6 times of Harishankar's, what is the ratio of Girish's salary to Shirish's.

What is the area (in sq cm) of an equilateral triangle of side 6 cm?

In the given figure, ABCD is a square of side 14 cm. E and F are mid points of sides AB and DC respectively. EPF is a semicircle whose diameter is EF. LMNO is a square . What is the area (in sq.cm) of the shaded region?

If x+1x2 = 3, then the value of x3+1x3 is: