Question
Average run scored by a batsman in first ‘x’ matches
is 77. In next 12 matches he scored runs with an average of 90 so that his overall average increased by 6. Find the value of x.Solution
(77x + 12 × 90)/(x + 12) = 83 => 77x + 1080 = 83x + 996 => 6x = 84 => x = 14
SO₂ is:
Which of the following sequences is correct in terms of the Global Warming Potential?
Umran is a variety of:
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(a) Fe2+
(b) Fe4+
(c) Fe
(d) Fe3+
Current ratio is equal to
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