The following question has three statements. Study the question and the statements and decide which of the statement (s) is/are necessary to answer the question.
Sushant and Nishant are two brothers, what is the sum of the ages of two brothers?
Statement I : The age of Sushant is 12 years more than the age of Nishant.
Statement II : 40% of the age of Nishant is equal to 30% of the age of Sushant.
Statement III: The ratio between half of the age of Sushant and one third of the age of Nishant is 2: 1.
1
Either statement III and I or I and II together are sufficient
2
Only statement III is sufficient.
3
Only statement I and II is sufficient.
4
Only statement I, II, and III are sufficient. E. None of these
5
None of these