In the following question 3 statements are given. You have to find which is/are necessary and sufficient to answer the following question.
The ratio between the present ages of the Barkha and Mamta is 1 : 3. Find the present age of the Mamta.
Statement I: Difference between the present ages of Neha and Barkha is 22 years.
Statement II: The present age of Neha is 4 years less than thrice the present age of Barkha.
Statement III: Difference between the present ages of the Mamta and Barkha is 26 years.1
Statement I and II together are sufficient to answer the question.
2
Statement III alone is sufficient to answer the question.
3
Either statement II or statement III alone is sufficient to answer the question.
4
Either statement III alone or statement I and II together are sufficient to answer the question.
5
All the statements are required to answer the question.