CBSE Class 7 Mathematics
Question 6 of 14
Large Numbers Around Us — Question 6
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Question By what number should we multiply Patna’s population to get a number/population close to that of Mumbai?
Mumbai’s population by Patna’s population in 2011 = \(\frac{1,24,42,373}{16,84,222}\) ~ 7 Patna’s population needs to be multiplied by 7 to be close to Mumbai’s population. 1.5 Patterns in Products A Multiplication Shortcut NCERT In-Text Questions (Page 14) Using the meaning of multiplication and division, can you explain why multiplying by 5 is the same as dividing by 2 and multiplying by 10? Solution: We know that 5 × 2 = 10 (multiplication fact) has two division facts: 10 ÷ 2 = 5 and 10 ÷ 5 = 2. So, according to the question, we can use \(\frac{10}{2}\) in place of 5. Either we 10 divide by 5 or by \(\frac{10}{2}\), we will get the same answer. Figure it Out (Page 14)