Find the value of {(3125) (n/5) × 5 (2n + 2) }/ {25 n × 5 (n - 1) }
{(3125) (n/5) × 5(2n + 2)}/ {25n × 5(n - 1)} = 5(n + 2n + 2) / 5(2n + n - 1) = 5(3n + 2)/5(3n - 1) = 5(3n + 2- 3n + 1) = 53 = 125.
Find the wrong number in the given series.
12, 18, 27, 42, 62, 87
32, ?, 41, 68, 132, 257
...625, 5, 125, 25, 25, ? , 5
6 7 15 46 185 ?
...3 4.5 6.75 10.125 15.1875 22.78125 ?
...3600 600 120 30 ? 5
...22 39 58 81 ? 141
9 15 90 95 475 479
6 a b c d e
Find the value of c.
...Given below are three series I, II and III. Each series consist an odd one out number. Odd one out number in series I, II and III are 'P', 'Q' and 'R',...
32 96 240 480 720 ?
