Sum of the age of total children and teacher = 33 × 28 = 924 Sum of the age of children after excluding = 32 × 27 = 864 Teacher’s age = 924 – 864 = 60 years
168, 164, 155, 139, ?, 78
324 972 486 1458 729 ?
...32 48 96 ? 720 2520
8 12 30 105 ? 2598.75
...18, 54, ? , 1890, 17010, 187110
660, 653, 639, 618, 590, ?
16, 16, 32, 96, ?, 1920
What will come in place of the question mark (?) in the following series?
2, 5, 14, 41, 122, 365, ?
64, 256, 128, 512, 256, ?
45, 58, 84, 123, ?, 240