The semi-colon does play a role in this sentence. The semi-colon here separates items in a list or a series. In the first half we are told about the first action of the manufacturers. It is but natural that a second action would follow and that when the second action is mentioned, the subject would ...

Read the first paragraph carefully. The two contentions are based on opposing interpretation of the role trade unions played after WWII. In the last line of the 1st para the author says that historical reality cannot be reduced to both since it isn't easy to reconcile the two arguments. Thus the pas...

Since x and y aren't integers, there might be rounding off error in both x+y and x-y. Because of this we can't comment on values of x and y.

Answer acc. to me should be E.

Reduce the given data. You get something like 9.81^n + m Any power of 81 will have units digit of 1. So the product (9.81^n) will have a units digit of 9. Given the 1st piece of info, you have no clue as to what the numerator and hence the remainder would be upon division by 10. So insufficient. But...