UPSC Civil Service Prelims Paper II 2024 (CSAT) | Sequence And Series Question 2 | Basic Numeracy

40 children are standing in a circle and one of them (say child-1) has a ring. The ring is passed clockwise. Child-1 passes on to child-2, child-2 passes on to child-4, child-4 passes on to child-7 and so on. After how many such changes (including child-1) will the ring be in the hands of child-1 again?

UPSC Civil Service Prelims Paper II 2023 (CSAT)

MCQ (Single Correct Answer)

+2.5

-0.833

For five children with ages a < b < c < d < e; any two successive ages differ by 2 years.

Question: What is the age of the youngest child ?

Statement-1: The age of the eldest is 3 times the youngest.

Statement-2: The average age of the children is 8 years.

Which one of the following is correct in respect of the above Question and the Statements?

The Question can be answered by using one of the Statements alone, but cannot be answered using the other Statement alone.

The Question can be answered by using either Statement alone.

The Question can be answered by using both the Statements together, but cannot be answered using either Statement alone.

The Question cannot be answered even by using both the Statements together.

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Questions Asked from Marks 2.5

UPSC Civil Service Prelims Paper II 2024 (CSAT) (3) UPSC Civil Service Prelims Paper II 2023 (CSAT) (2) UPSC Civil Service Prelims Paper II 2022 (CSAT) (5) UPSC Civil Service Prelims Paper II 2021 (CSAT) (5)

UPSC Civil Service Subjects

History of India

Science and Technology

Geography

Ecology and Environment

Indian Polity and Governance

Economy

Current Affairs

Comprehension

Basic Numeracy

Logical Reasoning and General Mental Ability

Data Interpretation and Sufficiency