90 D in RA means 90 Degrees in Right Angle. It is a logic question which is to be eloborated.   Some more of its kind are: 1. 52 W in a Y     -    52 Weeks in a Year 2. 7 C in a R        -    7 Colours in a Rainbow 3. 9 P in SS 4. 5 C in an OF 5. 12 S of the Z

Answer: A) Tokyo Explanation:

Answer: C) Jupiter Explanation: Jupiter has 67 natural satellites. Eight of Jupiter's moons are regular satellites, with 4 large, spherical moons, and 4 smaller moons that orbit closer to Jupiter. Jupiter has an additional 55 tiny irregular satellites.   The planet with the second highest number of moons is Saturn, with 61 moons. Earth has only one natural satellite i.e, Moon. Mercury and Venus have no satellites.

Bile contains bile acids, which are critical for digestion and absorption of fats in the small intestine. Since bile increases the absorption of fats, it is an important part of the absorption of the fat-soluble substances, such as the vitamins A, D, E, and K. Besides its digestive function, many waste products, including bilirubin, a byproduct of red blood cells recycled by the liver are eliminated from the body by secretion into bile and elimination in feces.

Answer: B) DNA Explanation: Prokaryotic and Eukaryotic cells do share a feature of DNA. Both prokaryotic and eukaryotic cells have structures in common. All cells have a plasma membrane, ribosomes, cytoplasm, and DNA. Prokaryotic cells are primitive cells which have no true nucleus and membrane bound organelles, while Eukaryotic cells are cells that have true nucleus, membrane bound organelles and well defined structures and layouts.

Answer: A) Rodent Explanation: Whale belongs to Mammal category whereas Rat belongs to Rodent.

To obtain exotic spices or to find trade items are not the reasons for christian missionaries went to Asia.

Answer: A) TRUE Explanation: The given statement about similar triangles is TRUE.   Similar Triangles Theorem :: Similar triangles are two triangles with corresponding angles of equal measure, and the ratios of their corresponding sides' lengths are equal.