Question
A vessel contains mixture of milk and water mixed
in the ratio 6:5, respectively. 66 litres of the mixture is replaced with 20 litres of water such that the quantities of milk and water in the resultant mixture become equal. Find the initial quantity of mixture in the vessel.Solution
16, 8, 8, ?, 24, 60
A sequence {Sₙ} is defined by:
Condition I: S₁ = 3 and for all n ≥ 2, Sₙ = 2·Sₙ₋₁ + (−1)ⁿ.
Condition II: The second ter...
Compute Σ (1 / (k(k+1))) from k = 1 to 10.
15 13 28 24 54 52
...24 25 46 ? 572 2885
...A series is 4, 5, 17, 88, 620, 5585
If another series a, b, 23, d, e, f follows the same pattern as the given number series, then find the approx...
16 23 31 40 50 61 ?
...-3 -10 -40 -185 -905 -4500
-4 a b c d e
Find the value of d.
...14, 28, 54, 98, 154, 224
133 183 220 ? 263 273
...