Teachoo MCQ Test

Short Quiz

Preparing for CBSE

Chapter 1 Class 6 - Patterns in Mathematics (Ganita Prakash) | 5 questions

Timed test. Answer every question before time runs out. Correct answers and solutions appear after submission.
Time remaining 480
Question 1 of 5
Advertisement
Question 1 of 5
The diagram represents a square built from successive odd-number layers. What is the sum of the first 15 odd numbers?
Odd-number square layerAn 15 by 15 dot square is formed by adding one outer row and one outer column to an 14 by 14 square.Build an 15 × 15 dot square from an 14 × 14 dot square
Select one option. Answers are shown after the test.
Question 2 of 5
A \(4\times4\) square array is enlarged to \(5\times5\) by adding one outer row and one outer column. How many new small squares are added?
5 by 5 square patternA square array with 5 rows and 5 columns. The answer state highlights the newly added outer row and column.5 × 5 square array
Select one option. Answers are shown after the test.
Question 3 of 5
The figure shows regular polygons gaining one side at each step. Which shape belongs in the final position?
Growing regular-polygon sequenceA triangle, square, pentagon and an unknown next regular polygon appear from left to right.Each shape has one more side than the previous shape3 sides4 sides5 sides?
Select one option. Answers are shown after the test.
Question 4 of 5
The shown stage has four rows containing \(1,3,5,7\) small triangles. How many small triangles are there?
Stacked triangular tilesThe stage has rows containing the first 4 odd numbers of small triangles.Stacked-triangle stage 4
Select one option. Answers are shown after the test.
Question 5 of 5
The first four centred hexagonal numbers are \(1,7,19,37\). What is their sum?
Select one option. Answers are shown after the test.