Question : Directions: In the following question, the number of letters skipped between adjacent letters of the series starting from behind increased by one. Which of the following observes the rule?

Option 1: ONLKJ

Option 2: OMJFA

Option 3: OIGDC

Option 4: OMKIG

Question : Directions: The following series has one term missing. Select the correct alternative from the options below to complete the series.
A7F, E15J, I23N, ?

Option 1: R13M

Option 2: M31R

Option 3: R23M

Option 4: R37S

Question : Directions: In each of the following questions, which one set of letters/numbers when sequentially placed at the gaps in the given letter series shall complete it?
bb_aab_caab_ca_

Option 1: abac

Option 2: bcab

Option 3: cbba

Option 4: acab

Question : Directions: In the following question a word is followed by four other words, one of which can not be formed by using the letters of the given word. Find this word.
CARDIOGRAM

Option 1: AEROGRAM

Option 2: RADIO

Option 3: DIAGRAM

Option 4: CARGO

Question : Directions: In the following question a word is followed by four other words, one of which cannot be formed by using the letters of the given word. Find this word.
HONESTY

Option 1: Nest

Option 2: Honed

Option 3: Host

Option 4: Honey

Question : Directions: In the following question a word is followed by four other words, one of which cannot be formed by using the letters of the given word. Find this word.
PRONUNCIATION

Option 1: RATION

Option 2: PRONOUN

Option 3: PRINT

Option 4: NATURAL