Question
Five articles out of which 3 are cups and rest are
glasses have to be arranged on a shelf. Find the number of ways of arrangement in which all three cups are not placed together.Solution
Since there are 5 articles, total number of ways of arrangement = 5! = 120 ways
If we consider 3 cups as one article, number of ways of arrangement of cups among themselves = 3! = 6 ways
Number of ways of arrangement of remaining three articles = 3! = 6 ways
Therefore, required number of ways = 120 – (6 × 6) = 84 ways
Acetic acid bacteria are used in the preparation of ______.
Match the following Bacterial genus with their respective groups A to D
1. Acetobacter Gluconobacter A. Butyrics
2. Lactobacillus streptoc...
Proteases are enzymes, which catalyze the hydrolysis of
a) Polypeptides
b) Glycosidic
c) Ester bond
d) Hydrogen bond
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Which one is used as preservative in many processed meat products?
Which of the following has highest calorific value?
