Quantitative Aptitude - Arithmetic Ability Questions

The ratio between the area of a square and that of a circle, when the length of a side of the square is equal to that of the diameter of the circle, is (take π=22/7)

If X is a prime number, LCM of X and its successive number would be

What is the simplified value of (cosec A – sin A)(sec A – cos A)(tan A + cot A)?

What is the value of tan 6° tan 36° tan 84° tan 54° tan 45°?

If 6x + 4(2-x) > 3x -2 > 5x/2 - x/4; then value of x is

ΔPQR is right angled at Q. If cosP = 5/13, then what is the value of cosecR ?

The value of x13+x-13x23-1+x-23

Rohan sells two articles. The cost price of the first article is equal to the selling price of the second article. The first article is sold at a profit of 40% and the second article is sold at a loss of 40%. What is the ratio of the selling price of the first article to the cost price of the second article?