The sum of the multiplication table of natural number n is given by 55 - n- Find the sum of a Table of 7 b Table of 10 c Table of 19

Name: EXEMP - Grade 07 - Mathematics - Algebraic Expressions - Q88_1
Uploaded: 2022-07-04T10:36:42+05:30
Description: Given, the sum of multiplication table of n natural numbers = 55 × n (a) Sum of table of 7 = 55 × 7 = 385 [put n = 7] (b) Sum of table of 10 = 55 × 10 = 55 ...

Given, the sum of multiplication table of n natural numbers = 55 × n (a) Sum of table of 7 = 55 × 7 = 385 [put n = 7] (b) Sum of table of 10 = 55 × 10 = 55 ...

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Standard VII

Mathematics

Finding the Value of an Expression

The sum of th...

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Question 88

The sum of the multiplication table of natural number n is given by $55 \times n$ , Find the sum of

(a) Table of 7
(b) Table of 10
(c) Table of 19

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Solution

Given, the sum of multiplication table of n natural numbers $= 55 \times n$
(a) Sum of table of $7 = 55 \times 7 = 385$ [put n = 7]
(b) Sum of table of $10 = 55 \times 10 = 550$ [put n = 10]
(c) Sum of table of $19 = 55 \times 19 = 55 \times 19 = 1045$ [put n = 19]

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Question 88 The sum of the multiplication table of natural number n is given by 55×n, Find the sum of (a) Table of 7 (b) Table of 10 (c) Table of 19

Given, the sum of multiplication table of n natural numbers =55×n (a) Sum of table of 7=55×7=385 [put n = 7] (b) Sum of table of 10=55×10=550 [put n = 10] (c) Sum of table of 19=55×19=55×19=1045 [put n = 19]

Question 88

The sum of the multiplication table of natural number n is given by $55 \times n$ , Find the sum of

(a) Table of 7
(b) Table of 10
(c) Table of 19

Given, the sum of multiplication table of n natural numbers $= 55 \times n$
(a) Sum of table of $7 = 55 \times 7 = 385$ [put n = 7]
(b) Sum of table of $10 = 55 \times 10 = 550$ [put n = 10]
(c) Sum of table of $19 = 55 \times 19 = 55 \times 19 = 1045$ [put n = 19]