For the following questions answer them individually
A tube can fill a tank completely in 18 hours. After half the tank is filled. one more similar tube is opened. What is the total time taken to fill the tank completely?
Seven girls can do a piece of work in thirteen days. six boys can do the same piece of work in twelve days. nine men can do the same piece of work in nine days and six women can do the same piece of work in fourteen days. Who are the most efficient?
A man and a boy received Rs. 1.600 as wages for 5 days for the work they did together. The man's efficiency in the work was three times that of the boy. What are the daily wages of the boy?
How many kg of rice at Rs. 60 per kg, must be mixed with 30 kg of rice at Rs. 25 per kg, so that the shopkeeper may make a gain 25% on selling the mixture at Rs. 50 per kg?
A sample of X litres from a container having a 60 litre mixture of milk and water containing milk and water in the ratio of 2 : 3 is replaced with pure milk so that the container will have milk and water is equal proportions. What is the value of X?
According to the Protection of Children from Sexual Offenses Act, 2012 (POCSO Act), a child means any person below the age of:
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