For the following questions answer them individually
A and B can complete a task in 70 days, B and C can complete it in 52.5 days while C and A can do the same task together in 42 days. How many days will each of A, B and C take to complete the task individually?
Consider the following question and decide which of the statements is sufficient to answer the question.
The simple interest on a sum of money is ₹ 100. What is the sum?
Statements:
I. The interest rate is 20% per annum.
II. The sum earned simple interest in 5 years.
The atomic number of the atom that becomes stable by gaining 3 electrons in $$5^{th}$$ shell is:
