Which one of the following conclusions can be validly drawn from the given statement :

Statement : Every library has books.

Conclusion :

Find out the number of triangles in the following diagram:

Assertion: (A) : Silver is not used to make electric wires.

Reason (R) : Silver is a bad conductor.

Select the correct answer from the code given below :

Select the number which can be placed at the sign of the question mark (?) from the given alternatives

Consider this statement:

Courts take too long in deciding important disputes of various departments.

Which one of the following course of actions is most appropriate?

Select your answer from the codes given below:

1. Courts should take special measures to speedup decisions.

2. Special powers should be given to officers to settle disputes concerning their departments.

Codes:

Find out the missing number:

Arrange the following in chronological order and give the correct from the code given below:

I. Line

II. Circle

III. Point

IV. Sphere

Examine the following three figures in which the numbers follow specific pattern:

The missing number (?) in the third figure is