Skip to content
ExamTrack Prep
Exams, mocks, study material, current affairs and more

RRB Group D | Computer Based Test

RRB Group D: 23-question practice mock

A compact, single-clock RRB Group D practice mock: 23 original questions across General Intelligence & Reasoning, Mathematics, General Science and General Awareness & Current Affairs, each with a worked solution. One third of a mark is deducted for a wrong answer.

Before you start

  • 23 questions in 23 minutes on a single clock — a short drill, not a full-length paper.
  • Each question carries one mark; one third of a mark is deducted for a wrong answer, and unanswered questions carry no penalty.
  • Every question is original, written to the RRB Group D pattern, with a worked solution shown after you submit.

Sections in this test

SectionQuestions
General Intelligence & ReasoningGeneral Intelligence & Reasoning7
MathematicsMathematics7
General ScienceGeneral Science7
General Awareness & Current AffairsCurrent Affairs2

Sample questions with worked solutions

A few questions from this test, with the answer key and the method behind it. The full set of 23 runs under a timer, and every solution is on the analysis screen once you submit.

General Intelligence & Reasoning · solved example

A person starts from a point and walks 1 km towards the north, then 9 km towards the east, then 11 km towards the north. How far (in km) is the person now from the starting point?

  • 8
  • 22
  • 23
  • 7
  • 15Correct

Solution

The moves net to 9 km east and 12 km north. The straight-line distance is √(9²+12²) = 15 km.

Mathematics · solved example

The marked price of an item is Rs 2000 and a discount of 25% is given. Find the price paid.

  • 1700
  • 1650
  • 1350
  • 1300
  • 1500Correct

Solution

Discount is 25% of 2000 = 500, so the price paid is Rs 1500.

General Science · solved example

The process by which green plants prepare their own food is called:

  • Respiration
  • PhotosynthesisCorrect
  • Transpiration
  • Digestion

Solution

Green plants make food from carbon dioxide and water using sunlight, a process called photosynthesis.

Current Affairs · solved example

The river known as the 'Sorrow of Bihar' is:

  • KosiCorrect
  • Son
  • Gandak
  • Ganga

Solution

The Kosi river is called the Sorrow of Bihar because of its frequent, destructive floods.

General Intelligence & Reasoning · solved example

In a class of 17 students, a boy ranks 11th from the top. What is his rank from the bottom?

  • 12
  • 11
  • 3
  • 2
  • 7Correct

Solution

Rank from bottom = total − rank from top + 1 = 17 − 11 + 1 = 7.

Advertisement

How this test is marked

Correct answer

+1

Wrong answer

-0.3333

Unanswered

0

Because a blank carries no penalty, guessing only pays when you can eliminate at least two options. The analysis screen after the test shows you exactly where guessing cost you marks.