The mass of one coin is 5g. If the mass of coins in a bag is 50,000g, then how many coins will be there?

(i) If the mass of a coin 5g, then what will be the mass of thousand coins. (ii) if the mass of coin in the bag is 50,000g, then how many coins will be there? (iii)Like this we can calculate the number of coins on the basis of mass. Can't we?

If the mass of a coin 5g, then what will be the mass of thousand coins?

The molecules mass of oxygen is 32: How many moles of molecules are there in 64g of oxygen? How many molecules are there in it?

A coin is tossed 3 times and the outcomes are recorded. How many possible outcomes are there?

Given three identical boxes I, II and III, each containing two cọins. In box 1 , both coins are gold coins, in box II, both are silver coins and in the box III, there is one gold and one silver coin. A person chooses a box at random and takes out a coin. If the coin is of gold, what is the probability that the other coin in the box is also of gold?

Consider the experiment of throwing a die,if a multiple of 3 comes up throw the die again and if any other number comes toss a coin. Find the conditional probability of the event "the coins shows a tail" given that "at least one die shows a 2".

There are three coins. One is a two headed coin (having head on both faces), another is a biased coin that comes up heads '75 %' of the time and third is an unbiased coin. One of the three coins is chosen at random and tossed, it shows heads, what is the probability that it was the two headed coin?

Mass of a body is 50 kg. What is its weight on earth ( g=10 m//s^2 )