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A can fill half of the tank in 6 hrs so, A can fill the full tank in 12 hrs B can fill the tank in 18 hrs C can empty the tank in 9 hrs Total capacity of tank = 36 unit (LCM of 12, 18 and 9) A can fill the tank in 1 hr = +3 B can fill the tank in 1 hr = +2 C can empty the tank in 1 hr = -4 Total tank filled in 1 hr = 3 + 2 – 4 = 1 unit 1% ≡ 36 unit 80% ≡ 36 × 80/100 = 29 units
Which of the following is a bacterial disease?
Which of the following are examples of macro minerals?
The phenomenon of splitting white light into its component colors is called:
Which of the following is not a purpose of transpiration?
What is the law of reflection?
Natural radioactivity was discovered by
Which type of tissue in humans transports oxygen to the body's cells?
Before X-ray examination (coloured X-ray) of the stomach, patients are given suitable salt of barium because
When body is accelerated:
What is the atomic number of carbon?