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A flask has two holes. The 1st hole alone makes the flask empty in 9 minutes and 2nd hole alone makes the flask empty in 16 minutes. If water leaks out at a constant rate, how long in minutes does it take if both the holes together empty the flask?
Read the given statements and conclusions carefully and choose which of the conclusions logically follows from the statement. Statements: I. All cups are porcelain. II. Some porcelain are white. Conclusion: 1. Some white are porcelain. 2. No cup is white.
An intelligent boy is doing a jigsaw with 275 pieces. Each day that he fits pieces together there are fewer pieces left, and it is reasonable to assume that he fits more pieces each day because the number left to sort out diminishes progressively. Hence he is able to fit an extra piece as each day goes by. On the first day he fits 20 pieces. How many days does it take for him to complete the puzzle ?
A tailor had a number of shirt pieces to cut from some large pieces of fabric. He cut each large piece into 10 smaller pieces. He cut at the rate of 45 cuts per minute . How many large pieces would be cut in 24 minutes?
A tailor had a number of shirt pieces to cut from large piece pieces of fabric. He cut each large piece into 10 smaller pieces. He cut at the rate of 45 cuts per minute. How many large pieces would be cut in 24 minutes?
A wire would enclose an area of 1936 m2, if it is bent into a square. The wire is cut into two pieces. The longer piece is thrice as long as the shorter piece. The long and the short pieces are bent into a square and a circle, respectively. Which of the following choices is closest to the sum of the areas enclosed by the two pieces in square meters?
Why porcelain pieces are used in distillation?
In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: The crystallinity of ceramic materials ranges from highly oriented to semi-crystalline, vitrified, and often completely amorphous.  B: A ceramic is a solid material comprising an inorganic compound of metal or metalloid and non- metal with ionic or covalent bonds. C: Most often, fired ceramics are either vitrified or semi-vitrified as is the case with earthenware, stoneware, and porcelain. D: Common examples of ceramic are earthenware, porcelain, and brick.
Aruna cut a cake into two halves and cuts one half into smaller pieces of equal size. Each of the small pieces is twenty grams in weight. If she has seven pieces of the cake in all with her, how heavy was the original cake ?
Suma cuts a cake into two halves and further cuts one half into smaller pieces of equal size. Each of the small pieces is thirty grams in weight. If she has nine pieces of the cake in all with her, how heavy was the original cake?