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ATQ, Let the total quantity of mixture initially be '100y' litres. Quantity of water = 0.25 × 100y = '25y' litres. Quantity of milk = 100y - 25y = '75y' litres. ATQ: 75y=1.4×(25y+20) 75y=35y+28 40y=28 y = 28/40 = 0.7 Therefore, initial quantity of water = 25 × 0.7 = 17.5 litres.
What will come in place of (?) Question mark in the given number series.
1, 2, 5, 14, 41, 122, ?
124, 147, 176, 207, 244, ?
150 15 3 ? 0.36 0.18
126 56 ? 12 10 2
... What value should come in the place of (?) in the following number series?
192, 96, 96, 144, ?, 720
728, 737, ?, 778, 814, 863
4, 7, 12, 21, 36, ?
26, 227, 628, 1229, ?, 3031
252, 235, 220, 207, 196, ?
Find the missing number in the given number series.
4, 9, 20, 37, 60, ?