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Anoop and Bheema, working individually, can complete a task in 16 days and 12 days, respectively. If they worked together and ear...
A jar contains a mixture of milk and water in the ratio 7:5, respectively. If 9-litres of the mixture is taken out, then the quantity of water left in t...
I. 3x2 – 15x + 18 = 0
II. 2y2 – 40y + 198 = 0
A sum of money doubles itself in 5 years at simple interest. In how many years will it become 5 times itself at the same rate of interest?
The average weight of 14 students in a class is 30 kg. Two more students weighing 20 kg and 24 kg join the class. What is the average weight of the clas...
Let A={1,2,3}, and B={x ∈ Z ∣ 1≤x≤4}. The total number of injective functions from A to B is:
A coin is tossed. If head occurs, a ball is drawn from a bag containing 3 red and 4 green balls. If tail occurs, a die is thrown. The probability that t...
A rectangle has a length that is 4 cm more than its width. If the perimeter of the rectangle is 32 cm, find the dimensions of the rectangle.
In a triangle ABC, the internal bisector of ∠ A meets side BC at D. If AB = 6 cm, AC = 9 cm, and BC = 12 cm, what is the length of BD?
