Aptitude and Reasoning Questions

A train is moving with uniform speed crosses two tunnels of lengths 270 metres and 450 metres in 12 seconds and 15 seconds respectively. What is the speed (in km/hr) of the train?

In the following question, two statements are given each followed by two conclusions I and II. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statement:
(I) Life is a journey with few known people, few partially known and mostly strangers.
(II) In a journey, the importance of destination is as equal as the pathway of reaching that destination.

Conclusions:
(I) Importance of people in life is considerable, as they are our journey mates.
(II) Life teaches us many lessons to face various known and unknown difficulties.

Select the missing number from the given options?

If (cosecA -­ 1)/(cosecA + 1) = x, then the value of x is

The average revenues of 13 consecutive years of a company is Rs 82 lakhs. If the average of first 7 years is Rs 77 lakhs and that of last 7 years is Rs 89 lakhs, find the revenue for the 7th year.

The largest chord of the circle has a length of 20.4 cm. The radius of the circle will be _____.

If tanθ = 815, then 1-sinθ1+sinθ is

Three angles of a quadrilateral are 60°,90°and 100°. Then the fourth angle of the quadrilateral is