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## The following real numbers have decimal expansions as given below. In each case, decide whether they are rational or not. If they are rational, and of the form, p q what can you say about the prime factors of q? (i) 43.123456789 (ii) 0.120120012000120000. . .

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How can i solve this tough question of real numbers . I don’t know the solution of this question. It’s ...Read more

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## Write down the decimal expansions of those rational numbers in Question 1 above which have terminating decimal expansions. (i) 13/3125 (ii) 17/8 (iii) 64/455 (iv) 15/1600 (v) 29/343 (vi) 23/(2352) (vii) 129/(225775) (viii) 6/15 (ix) 35/50 (x) 77/210 Q.2

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The best question of class 10th math . It is an important question . How can i solve this lengthy ...Read more

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## Prove that the following are irrationals: (i) 1/√2 (ii) 7√5 (iii) 6 + √2 Q.3

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The important question of class 10th is irrational number. Is any another way for solving this question. Please suggest me ...Read more

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## Prove that 3 + 2√5 + is irrational. Q.2

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Another best question of irrational number of class 10th . How can we solve this question . Please give me ...Read more

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## Prove that √5 is irrational. Q.1

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How i prove irrational number type question. Irrational topic is very important topic of class 10th. What is the easiest ...Read more

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## Explain why 7 × 11 × 13 + 13 and 7 × 6 × 5 × 4 × 3 × 2 × 1 + 5 are composite numbers. Q.6

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The important question of class 10th of chapter real numbers how can i solve this question. This is the important ...Read more

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## There is a circular path around a sports field. Sonia takes 18 minutes to drive one round of the field, while Ravi takes 12 minutes for the same. Suppose they both start at the same point and at the same time, and go in the same direction. After how many minutes will they meet again at the starting point? Q.7

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The question of real numbers exercise 1.2. The question no.7 is the most important question of class 10th. I want ...Read more

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## There is a circular path around a sports field. Sonia takes 18 minutes to drive one round of the field, while Ravi takes 12 minutes for the same. Suppose they both start at the same point and at the same time, and go in the same direction. After how many minutes will they meet again at the starting point? Q.7

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The question of real numbers exercise 1.2. The question no.7 is the most important question of class 10th. I want ...Read more

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## Check whether 6n can end with the digit 0 for any natural number n. Q.5

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In class 10th maths exercise1.2 of question number 6 how can solve this question. Its very important question. I don’t ...Read more