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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 = 7x/5 Present age of his brother = (1/2) × (7x/5) = 7x/10 According to Question, => x + 20 = 7/5x => 2/5x = 20 => x = 50 years Present age of his brother = (7/10) × 50 = 35 years
Identify the process that breaks down long-chain hydrocarbons into simpler molecules.
Which of the following is NOT a d-block element?
Which element is used in pencil leads?
Which of the following is the sweetest sugar?
What causes the black color of Black Soil?
Sphalerite is an ore/mineral of -
_____________ has the maximum attraction force between the molecules.
The green colour of the leaves is due to-
The pH value of an acidic solution is:
Which of the following rock is not a sedimentary rock?