Questions

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

P- However, our environment also need some help from all of us to get maintained as usual to nourish our lives forever and to never ruin our lives.
Q- It gives us all things which we need to live our life on this planet.
R- It provides us better medium to grow and develop.
S- An environment includes all the natural resources which surround us to help in number of ways.

Atomic number of an atom gives the number of which of the following ?

What is the ratio of masses of hydrogen and oxygen in the water?

Which molecule contains a polar covalent bond?

With which sport is P.V. Sindhu associated?

In each of the following questions three statements are given and these statements are followed by two conclusions numbered (1) and (2). You have to take the given three statements to be true even if they seem to be at variance from commonly known facts. Read the conclusions and then decide which of the given conclusions logically follows from the two given statements, disregarding commonly known facts.
Statements:

All books are novels.
No novel is a magazine.
All magazines are newspaper.
Conclusions: 

I.No book is a magazine.
II. Some newspaper are novels.

Choose the CORRECT option if the two sides of a triangle is of length 4 cm and 10 cm and the length of its third side is a cm.

A boat is sailing towards a lighthouse of height 20√3 m at a certain speed. The angle of elevation of the top of the lighthouse changes from 30° to 60° in 10 seconds. What is the time taken (in seconds) by the boat to reach the lighthouse from its initial position?