Samir distributed 625 gifts among 4 children. The first part of the child is twice the portion of the other child, three times the size of the third child and four times the fourth child's share. Show the sum of the total gifts received by the first and the second child.
Let the share of the first, second, third, and the fourth child is a, b, c, and d respectively a = 2b = 3c = 4d a: b:c: d=12:6:4:3 Share of the first and second child = 18/25 x 625 = 450
Select the number from among the given options that can replace the question mark (?) in the following series.
8, 27, 64, 125, 216, ?
8, 7, 12, 35, 128, 635
7 29 ? 129 211 349
1 1 8 4 27 9 ?
...5 14 56 220 1125 6786
...40 30 20 ? 7.5 4.375
219 365 511 ? 803 949
...1930 1805 1589 1246 734 ?
...1001, 728, 513, 342, 217, ?
36, 49, 23, 62, ?, 75
