Quantitative Aptitude - Arithmetic Ability Questions

If x + 1x = 3, then x18 + x12 + x6 + 1 value is

If a + b + c + d = 4, then the value of 1(1-a)(1-b)(1-c) + 1(1-b)(1-c)(1-d) + 1(1-c)(1-d)(1-a) + 1(1-d)(1-a)(1-b)

What is the value of cosecA/√(cosec2A ­- 1)?

Reflection of the point (4,-5) in the y-axis is

A Village lost 12% of its goats in a flood and 5% of remainder died from diseases. If the number left now is 8360. What was the orignal number before the flood?

Six years ago, the ratio of the two persons P and Q was 3 : 2. Four years hence the ratio of their ages will be 8 : 7. What is P's age?

X can do a piece of work in 'p' days and Y can do the same work in 'q' days . Then the number of days in which X and Y can together do that work is

A train 100 m long is running at a speed of 120 kms/hr. The time taken to pass a person standing near the line is