A letter series follows a hidden pattern: _ b _ ab _ cb _ a _ c. Which option correctly fills the five blanks in order?

Which of the following is NOT a 'Tatsam' (pure, unchanged Sanskrit-derived) word?

Read the following poem: 'Dubkiyaan Sindhu mein gotakhor lagaata hai. Jaa-jaakar khaali haath lautkar aata hai. Milte na sahaj hi moti gehre paani mein. Badhta doona utsaah isi hairaani mein. Muthi uski khaali har baar nahin hoti. Koshish karne waalon ki haar nahin hoti.' Question: Where are pearls found?

Choose the word which has a similar meaning to: Purpose

What protects the human brain?