black book 2

Consider two bodies of equal surface areas suspended in a room. One of the bodies has a polished surface and the other is painted black. After sufficient time, the temperature of both the bodies are equal to the room temperature. As the surface areas of the bodies are the same, ..

Dark red Black Colour White, but turns yellow on exposure Dark red Black State Waxy solid, can be cut with knife Brittle powder Crystalline with greasy touch Smell Garlic smell Odorless Density 1.84 2.1 2.69 Ignition tempe..

There are 19 books on Geography, 16 books on Zoology and 20 books on Math in a bundle of books. Three books are selected one after the other. Find P(book on Zoology, book on Geography, no book on Math). => 2 3..

The bar graph shows the price of books on different subjects in a book store. Find the price range of books in the book store. => 4 or 3 or 5 or 2..

Charles has 25 kites out of which 5 are black and 20 are green. If two kites are chosen one after the other, then what is the probability that the first kite is black and the second one is green? => 1 6 or 2 7 or 1 3 or 1 7..

A bag contains 3 black chalks and 6 red chalks. If two chalks are picked at random one after the other without replacement, then what is the probability that both the chalks are black? => 1 24 or 1 36 or 1 12 or 1 12..

45 books are to be divided into 2 equal sets. Find the number of books in each set and how many books will be left over? => 20, 5 or 22, 2 or 22, 1 or 90, 2..

The cost of two books is $17.50. Find the cost of each book. Round to the nearest whole number. => $7 or $8 or $10 or $9..

One of these is Jack's Math book. Use the clues to find his Math book. (1) It is not Book-2. (2) It is not Book-4. (3) It is not Book-3. => Book-3 or Book-2 or Book-4 or Book-1..

Each of the two bookshelves contains 15 books on science and 9 books on math. What is the probability of selecting a science book from the top bookshelf and a math book from the bottom bookshelf? => 5 22 or 15 64 or 45 197 or 25 96..