XYZ, ABC, UVW, DEF, RST, GHI,_ ? 

Which set of letters when sequentially placed at the gaps in the given letter series shall complete it?
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Statement: Increasing levels of air pollution is creating health hazards for people living in the cities.
Courses of action :
I. All industries should be shifted immediately to the outskirts of the cities.
II. Transport authorities should immediately ban all the vehicles running on petrol.

Shailendra is shorter than Keshav but taller than Rakesh. Madhav is the tallest. Ashish is a little shorter than Keshav and little taller than Shailendra. If they stand in the order of increasing heights, who will be the second ? 

BORE : 10 :: HOTEL : ? 

The weights of 4 boxes are 30, 40, 50 and 80 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?

If “@” denotes “added to”, “#” denotes “multiplied by”, “®” denotes “divided by” and “%” denotes “subtracted from”, then which of the following equation is true?

How many triangles are there in the following figure?