Answer: A) T(2^50) Explanation: Let initial thickness of the paper be 'T'after first fold it will be '2T' = 21Tafter second fold it will be '4T' = 22T after 50th fold it will be T x (250T)

Answer: D) notes receivable Explanation: Interest is usually associated with notes receivable.

Answer: C) 437 Explanation: Except 437 all others are prime numbers.

Answer: B) 72/5 days Explanation: Work done by Shyam and Rahim in 8 days = 8/32 = 1/4 Remaining work to be done by Shyam and Ram = 1 - 1/4 = 3/4 Given efficieny of Ram is half of Rahim i.e, as Rahim can do the work in 48 days, Ram can do the work in 24 days. One day work of Ram and Shyam = (1/32 - 1/48) + 1/24 = 5/96 Hence, the total work can be done by Shyam and Ram together in 96/5 days.   Therefore, remaining work 3/4 can be done by them in 3/4 x 96/5 = 72/5 = 14.4 days.

Answer: C) 22 Explanation: Given number of girls are twice that of boys. --> G=2B and G+B = 60  Therefore,  G=40 and B= 20 Given Laxmi ranked 27th from the top and 9 boys are ahead of Laxmi. Therefore, There are 17 girls ahead of Laxmi.  Therefore, Number of girls who ranked after Laxmi = 40 - (17+1) = 22.

Answer: C) 1425/18 min Explanation: 55 min. spaces are covered in 60 min.60 min. spaces are covered in ((60/55) x 60) min = 720/11 min.Loss in 65 min. = (720/11 - 65 ) = 5/11Loss in 24 hrs = (5/11 x 1/65 x 24 x 60)min = 1440/143 min.

Answer: C) Vishakapatnam Explanation:

Answer: A) a DNA strand with the base sequence TTCGACCCT Explanation: Translation of the dna sequence AAGCTGGGA would result in a DNA strand with the base sequence TTCGACCCT.