Answer: C) Both A & B Explanation: The term biodiversity refers to the variety of life on Earth at all its levels, from genes to ecosystems, and the ecological and evolutionary processes that sustain it.

Answer 1)   1/3 x (54 x 150 + 60 x 300 + 36 x 450) = 1/3 x 42300 = 14100.   Answer 2) Required ratio of chairs = 64 x 450 + 56 x 50036 x 450 + 44 x 500 = 56800/38200 = 284/191.   Answer 3)   Required number of chairs =  35 x 12100 x 50000= 3600.

Answer: D) 420 Explanation: The given number series 410, 409, 413, 404, ? , follows a pattern that  410 410 - 13 = 409409 + 22 = 413413 - 33 = 404404 + 42 = 420   Hence, the next number in the given series is 420.

Answer: B) 100 Explanation: Given  4 45 of 259.99 = ? % of 1247.9 24/5 x 260 = ? x 1248/100 ? = 1248 x 100/1248 ? = 100.

Answer: A) 70 kms Explanation: Let the time taken by train be 't' hrs. Then, 40t = 35t + 1560 40t = 35t + 35/4 t = 7/4 hrs Therefore, Required length of the total journey d = s x t = 40 x 7/4 = 70 kms.

A Soap. Yes, it gets shrinks smaller every time we take a bath.

Answer: D) 1000 Explanation: Letters of the alphabet used in ancient Rome to represent numbers: I = 1; V = 5; X = 10; L = 50; C = 100; D = 500; M = 1000. The numbers one through ten are written I, II, III, IV, V, VI, VII, VIII, IX, and X.

It has been said that the creation of NASA was due to the space exploration race between the US and the Soviet Union. One of the drives to the creation of NASA is the launching of Sputnik on October 4, 1957.   Since then, further explorations have been made by the agency.