How many triangles are there in the following figure?

In the following questions complete the number series :
204, 100, 48, 22, ___

Select the missing number from the given responses.

Mohan travelled 5 km towards the West. Then he travelled 3 km. after turning to the left, then 9 km. after turning to the right. Then he went 3 km. towards the North. How far is he from the starting point?

A man starts walking from a point and walks 12 kms towards north. He turns 90⁰ left walks a distance and stopped. If the distance between initial point and final positions is 13 kms, how much distance he travelled after turning from the North?

Direction: In each of the following questions, find out which of the letter series follows the given rule.

The group of letters should not contain more than two vowels.

A, B, C, D, E, F, G and H are sitting around a circular table facing the centre but not necessarily in the same order. C is an immediate neighbour of both G and A. E sits second to left of C. Two people sit between E and H. B is an immediate neighbour of G. Only one person sits between B and F. Who amongst the following is an immediate neighbour of both B and F?

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.