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Start learning 50% faster. Sign in nowEfficiency ratio of A : B = 2 : 3 Both work together in = 60 days A take = (total of efficiency × total days)/(A efficiency) = (5 × 60)/2 = 150 days
What is the main gas involved in global warming?
Which of the following is true about isotopes?
Tanya throws a ball vertically upwards, which rise to a height of 60 m. Which of the following statements is NOT correct? [Take g = 10 ms–2
Which one of the following gases is supporter of combustion?
Electrostatic precipitator is used to control the pollution of –
What is the primary cause of tides on Earth?
Which of the following method can be employed to test the Hardness of Water?
When heated with chloroform, secondary amines and tertiary amines
A body is said to be in equilibrium when:
The autonomic nervous system controls which of the following?