Study the following information carefully and answer the questions based on…

2025

Study the following information carefully and answer the questions based on it. (Q. No. 70 to 72)

A set of words and numbers is passed through an arrangement machine and the following rearrangement is obtained:

Input: History 30 Maths 10 Chemistry 20 40 Sanskrit Economics 50

Step 1: 10 History 30 Maths 20 40 Sanskrit Economics 50 Chemistry

Step 2: 10 20 History 30 Maths 40 Sanskrit 50 Chemistry Economics

Step 3: 10 20 30 Maths 40 Sanskrit 50 Chemistry Economics History

Step 4: 10 20 30 40 Sanskrit 50 Chemistry Economics History Maths

Step 5: 10 20 30 40 50 Chemistry Economics History Maths Sanskrit

Step 5 is the last step of the arrangement.

A set of words and numbers is given below. As per the rules followed in the above steps, answer the questions based on it.

Input: 55 11 Geeta Babloo Radha 33 Omesh 22 44 Pinky

What is the position of ‘Radha’ from the left end in Step 3?

Answer: B. FifthConcept An Input-Output arrangement machine like this one applies a fixed two-part rule at every step: the numerically smallest number that has not yet been…

  1. A.

    Ninth

  2. B.

    Fifth

  3. C.

    Sixth

  4. D.

    Fourth

Attempted by 39 students.

Show answer & explanation

Correct answer: B

Concept

An Input-Output arrangement machine like this one applies a fixed two-part rule at every step: the numerically smallest number that has not yet been moved is shifted to the front, extending a growing ascending-number block from the left; at the same time, the alphabetically earliest word that has not yet been moved is shifted to the absolute right end, extending a growing alphabetically-ordered word block from the right, with each newly moved word pushing the earlier-moved words one place further left within that block. Every element not yet moved keeps its original left-to-right order in the middle, so Step n always has exactly n numbers sorted at the front and n words sorted at the back.

Application

Applying this rule to the given input step by step:

  1. Step 1 — the smallest untouched number is 11 and the alphabetically earliest untouched word is Babloo: move 11 to the front and Babloo to the end, keeping everything else in its original order → 11 55 Geeta Radha 33 Omesh 22 44 Pinky Babloo.

  2. Step 2 — the smallest untouched number is 22 and the alphabetically earliest untouched word is Geeta: move 22 next after 11 and Geeta to the end (pushing Babloo one place left) → 11 22 55 Radha 33 Omesh 44 Pinky Babloo Geeta.

  3. Step 3 — the smallest untouched number is 33 and the alphabetically earliest untouched word is Omesh: move 33 next after 22 and Omesh to the end (pushing Babloo and Geeta one place left) → 11 22 33 55 Radha 44 Pinky Babloo Geeta Omesh.

Counting the Step 3 row from the left end gives the position of every token:

Position

Token

1

11

2

22

3

33

4

55

5

Radha

6

44

7

Pinky

8

Babloo

9

Geeta

10

Omesh

Result and cross-check

‘Radha’ therefore stands at the fifth position from the left end in Step 3.

This rule can be checked against the passage’s own worked example: applying the same two-part extraction to the sample input (History 30 Maths 10 Chemistry 20 40 Sanskrit Economics 50) reproduces Step 1 as ‘10 History 30 Maths 20 40 Sanskrit Economics 50 Chemistry’, Step 2 as ‘10 20 History 30 Maths 40 Sanskrit 50 Chemistry Economics’, and Step 3 as ‘10 20 30 Maths 40 Sanskrit 50 Chemistry Economics History’ — an exact match with every step given in the stem, confirming the rule before it is used on the new input. A second, independent check: by Step 3, exactly 3 numbers (11, 22, 33) and 3 words (Babloo, Geeta, Omesh) have been extracted, leaving exactly 4 elements (55, Radha, 44, Pinky) untouched in the middle — 3 + 4 + 3 = 10, matching the total token count, so no element has been dropped or duplicated.

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