Question : How many maximum electrons can the M shell have?

Option 1: 18

Option 2: 8

Option 3: 1

Option 4: 2

Question : What is the simplified value of $(2+1)(2^{2}+1)(2^{4}+1)(2^{8}+1)$?

Option 1: $2^{8}-1$

Option 2: $2^{16}-1$

Option 3: $2^{32}-1$

Option 4: $2^{64}-1$

Question : Directions: In the following question a series is given, with one/two terms missing. Choose the correct alternative from the given ones that will complete the series.
4, 6, 8, 12, 14, 18, 20, 24, 30, ?, ?

Option 1: 32, 34

Option 2: 34, 36

Option 3: 32, 38

Option 4: 32, 33

Question : What is the length of the longest rod that can be placed in a room of dimensions 12 m × 9 m × 8 m?

Option 1: 15 m

Option 2: 17 m

Option 3: 16 m

Option 4: 14 m

Question : Directions: In the following question a series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.
1, 2, 2, 4, 8, 32, ?

Option 1: 128

Option 2: 198

Option 3: 256

Option 4: 312