Question : Directions: In the following number series, two numbers have been put within brackets. Select the most appropriate option for these numbers in relation to their inclusion in the series.
1, 5, 17, (39), 65, 101, (145), 197

Option 1: Both the bracketed numbers are correct

Option 2: Both the bracketed numbers are incorrect

Option 3: The first bracketed number from the left is correct and the second bracketed number from the left is incorrect

Option 4: The first bracketed number from the left is incorrect and the second bracketed number from the left is correct

Question : Directions: Select the option that is correct for the bracketed numbers with respect to their inclusion in the given series.
4, 11, 30, (67), 128, 219, (346), 515

Option 1: The first bracketed number is incorrect and the second bracketed number is correct

Option 2: Both the bracketed numbers are correct

Option 3: Both the bracketed numbers are incorrect

Option 4: The first bracketed number is correct and the second bracketed number is incorrect

Question : Directions: In the given series one number is incorrect. Identify the INCORRECT number from among the options given.
3, 5, 7, 6, 10, 14, 12, 24, 28, 24, 40, 56

Option 1: 10

Option 2: 24

Option 3: 12

Option 4: 28

Question : Identify whether the given statements about ionisation energy are correct or incorrect.

Statement A: The ionisation energy of an atom is the amount of energy that is required to remove an electron from a mole of atoms in the gas phase.

Statement B: The ionisation energy increases from top to bottom in groups and decreases from left to right across a period.

Option 1: Both Statements A and B are correct.

Option 2: Only Statement A is correct.

Option 3: Both Statements A and B are incorrect.

Option 4: Only Statement B is correct.

Question : Directions: In the following question a series is given, with one number missing. Select the missing number from the given series.
1, 8, 29, 92, 281, ?

Option 1: 567

Option 2: 628

Option 3: 776

Option 4: 848