DAO (Data access object ) is used for accessing data before ado it was used for database installed on same sys where the application resides. RDO (Remote data object ) is used for accessing remote data ADO (Active data object ) most powerful till date it is nothing but combination of both DAO and RDO

Answer: B) 1961 Explanation:

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Answer: B) Deoxyribose Explanation: DNA - Deoxyribonucleic acid is a type of nucleic acid. The sugar contained in it is called Deoxyribose.

Answer: A) wrought iron Explanation: Wrought Iron is the purest form of iron. It contains 0.12 to 0.25% carbon and so it is the purest form of iron.

Answer: D) Tamil Nadu Explanation: The 112-feet tall bust of ‘Adiyogi’ Lord Shiva at the Isha Yoga Foundation has been declared the world’s largest bust by the Guinness Book of World Records. The Guinness had announced this on its website. The bust at the Isha Yoga Foundation on the outskirts of Coimbatore, Tamil Nadu was unveiled by Prime Minister Narendra Modi on 24 February.

Answer: B) 115.395 sq cm Explanation: Because each vertice of the square is the center of a circle(1/4) part of the total area of each circle inside of the square.(3/4) part of the total area of each circle outside of the square.Thus total area outside the square is 434×227×3.5×3.5 = 115.3955 sq cm.