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Square And Triangular Numbers Free Doubts and Solutions

CBSE - VIII - Mathematics - Squares and Square Roots

To show the triplets in pythagorean of number 20,48,52  

Asked by Jainrajni25 14th June 2019, 2:56 PM
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CBSE - VIII - Mathematics - Squares and Square Roots

What is triangular numbers explain with examples 

Asked by yadavbrajkishore678 28th December 2018, 12:29 PM
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CBSE - VIII - Mathematics - Squares and Square Roots

The following numbers are not perfect squares. (i) 1057 (ii) 23453 (iii) 7928  Justify.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - VIII - Mathematics - Squares and Square Roots

What will be the unit's digit of the squares of the following numbers? (i) 81 (ii) 472 (iii) 529 

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - VIII - Mathematics - Squares and Square Roots

The numbers 188 and 82 are not perfect squares. Justify.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - VIII - Mathematics - Squares and Square Roots

What will be the unit's digit in the square of the following numbers? (i) 123 (ii) 4577 (iii) 4578

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - VIII - Mathematics - Squares and Square Roots

Write first 4 triangular numbers and verify that sum of two consecutive triangular numbers is a square number.

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CBSE - VIII - Mathematics - Squares and Square Roots

Which of the following numbers are triangular numbers? (i) 3 (ii) 8 (iii) 10 (iv) 12

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - VIII - Mathematics - Squares and Square Roots

How many non square numbers lie between the following pairs of numbers: (i) 802 and 812 (ii) 752 and 762

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - VIII - Mathematics - Squares and Square Roots

What will be the "one's place digit" in the square of the number 2345?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - VIII - Mathematics - Squares and Square Roots

Find all the perfect square numbers between 20 and 30.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - VIII - Mathematics - Squares and Square Roots

Consider the numbers 26544, 187683, 3591025. Which of these numbers are obviously not perfect squares? Give reasons in support of your answer.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - VIII - Mathematics - Squares and Square Roots

Can 160 toffees be divided among a group of students such that each student will get as many toffees as the number of students?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - VIII - Mathematics - Squares and Square Roots

What will be the number of zeros in the square of the following numbers? (i) 50 (ii) 1200 (iii) 7000

Asked by Topperlearning User 19th February 2014, 1:30 PM
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CBSE - VIII - Mathematics - Squares and Square Roots

Is 62 is a square number?

Asked by Topperlearning User 19th February 2014, 1:30 PM
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