Questions

Here in the given number puzzle, the given numbers follows a pattern that 

1 + 4 = 5 => 1 x 4 + 1 = 4 + 1 = 5 

2 + 5 = 12 => 2 x 5 + 2 = 10 + 2 = 12   

3 + 6 = 21 => 3 x 6 + 3 = 18 + 3 = 21 

Similarly, 

8 + 11 = 96 => 8 x 11 + 8 = 88 + 8 = 96  

Hence, the missing number in the given number puzzle is 96.

The United Kingdom Cabinet Mission of 1946 came to India aimed to discuss the transfer of power from the British government to the Indian leadership, with the aim of preserving India's unity and granting it independence.

Sir P Lawrence presided over the cabinet mission which was formulated at the initiative of Clement Attlee, the Prime Minister of the United Kingdom.

Voltmeter is used to measure Standard Electrode Potential

Mg(NO3)2 is Magnesium nitrate.

In the case of Mg(NO3)2, the metal in the compound is magnesium (Mg), and the non-metal here is called the nitrate ion (NO3). This makes the name of the compound simply magnesium nitrate.