If x stands for addition, / stands for subtraction, + stands for multiplication and - stands for division, then what is the value of 20 x 8 / 8 - 4 + 2 ?

Consider the given statements as true and decide which of the given conclusions can definitely be drawn from the given statements.

Statements :
Some kings are queens. All queens are beautiful.

Conclusions :
1. All kings are beautiful.
2. All queens are kings.

The volume (in cu.cm.) of a right circular cylinder with radius 1 cm and height 2 cm is: pi = 22/7

In October 2015, more than 350 landmarks in more than 90 countries were lit blue, the official colour of the United Nations. What was the occasion?

Optical fiber works on the principle of -

Which is the correct ascending order of the given numbers?

Complete the analogy 3 : 11 :: 7 : ___

Which of the following is equivalent to 0.565656...?