Select the option that represents the letters that, when placed from left to right in the following blanks, will complete the letter-series.

G _ A R E G L _ R _ G _ C _ E G L _ _ E

Three of the following four letter-clusters are alike in a certain way and one is different.

Pick the odd one out.

Study the given pattern carefully and select the number that can replace the question mark (?) in it.

(4, 2, 6)

(9, 3, 9)

(24, 6, ?)

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 - Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)

Select the set in which the numbers are related in the same way as are the numbers of the following sets.

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 - Operations on 13 such as adding/subtracting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is NOT allowed)

(17, 26, 37)

(170, 197, 226)