Quantitative Aptitude - Arithmetic Ability Questions

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

If -5x3+2 = x-6, then find the value of x?

If 192 pens cost is Rs.10, how many pens can be bought for Rs.5?

If selling price is Rs. 72 and Gain percentage = 20%, calculate the Cost Price.

If y=2secθ and x=3tanθ then x29-y24 is

The areas of two similar triangles ΔABC and ΔPQR are 36 sq cms and 9 sq cms respectively. If PQ = 4 cm then what is the length of AB (in cm)?

The length of one side of a rhombus is 13 cm and one of the diagonals is 10 cm. What is the legth of the other diagonal?

If tan ­-5π/3 = x, then the value of x is