For the following questions answer them individually
An assertion and a reason are given below.
Assertion: Water is essential for life.
Reason: It is formed using three parts of Hydrogen and one part of Oxygen.
Choose the answer.
If "$$\div$$" denotes "multiplication", "$$-$$" denotes "addition", "$$+$$" denotes "division" and "$$\times$$" denotes "subtraction", then which of the following is the value of the expression
$$19 \div 9 \times 51 - 171 + 19 $$
The Hubble Space Telescope, which belongs to , captured the first-ever predicted supernova explosion.
Among, the democratic countries of the world, which country's constitution is the lengthiest and most detailed?
Monal Kumar travelled equal distance with speed of 3 km/hr, 5 km/hr and 8 km/hr and takes a total time of 39.5 minutes. Find the total distance in km.
If "$$-$$" and "$$\times$$" signs as well as "7" and "3" are interchanged, then which of the one following is correct?
