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Start learning 50% faster. Sign in nowLet the age of A when he was married be x years. Present age of A = 5x/2 Present age of his brother = (1/5) × (5x/2) = x/2 According to Question, => x + 36 = 5/2x => 3/2x = 36 => x = 24 years Present age of his brother = (1/2) × 24 = 12 years
The gas usually causing explosions in coal mines is-
The major component of honey is-
Which one amongst the following is not a Green House gas?
The acid used in lead storage cells is-
______is the process in which acids and bases react to form salts and water
Manganite is an ore/mineral of
Formation of ozone hole is maximum over
Which one amongst the following is not a Green House gas?
The element used for making solar cells is
The pH of a neutral solution is —