Brain fever is a disease spread through which of the following?

Electric chair was invented by

The tag line "Do no Evil" is owned by

If pq(p+q) = 1, then the value of 1p3q3-p3-q3 is equal to

If x2+1x2 = 2, then the value of x - 1x is

A moving train passes a platform 50m long in 14 seconds and a lamp post in 10 seconds. The speed of the train (in km/h) is :

The price of an article is decreased by 10%. To restore it to its former value, the new price must be increased by

A T.V was sold at a profit of 5% If it had been sold at a profit of 10% , the profit would have been Rs. 1000 more. What is its cost price ?