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Let the quantity of milk and water left in the jar be 5a litres and 3a litres, respectively According to the question, 5a ndash; 3a = 21 =gt; a = 10.5 Therefore, quantity of mixture left in the jar = 5a + 3a = 8a = 84 litres Therefore, quantity of mixture taken out = 100 ndash; 84 = 16 litres =gt; x = 16
How many pairs of letters are there in the word “HELICOPTER” each of which have as many letters between them in the word as they have between them i...
Simplify the following expression: (5x + 7) 2 + (5x – 7) 2 .
Find the fourth proportion of 12.5, 17.5 and 27 respectively.
Calculate the difference between the area of a wall having dimension 22 cm X 23 cm and the area of a spherical bowl having diameter 14cm.
Two years from now, the grandson's age will be 25% of the grandfather's age. Three years ago, the grandfather's age was five times the grandson's age. D...
In a village with a population of 8,500 people, 80% of them are adults. Among these adults, only 75% possess a ration card. Furthermore, 60% of the rati...
Sum and difference of two natural numbers is 92 and 36. Find the larger number.
Two pipes, A and B, can independently fill the tank in 24 minutes and 30 minutes respectively, while pipe C can empty 9 gallons from the tank in 3 minut...
Determine the smallest 4-digit number that, when divided by 15, 24, and 30, leaves a remainder of 5 each time.
The average of 13 natural numbers is 45. If the average of first 7 numbers is 35 and the average of last seven numbers is 55, then find the value of num...