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Kiara Singh
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This statement is False. A linear equation in two variables can have infinitely many rational solutions. For instance, in x + y = 1, pairs like (0, 1) and (1/2, 1/2) are valid rational solutions. class 9 maths ganita manjari part ...

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Kiara Singh
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(i) By Varignon’s Theorem, PQRS is a parallelogram, so its diagonals PR and QS bisect each other. (ii) PQ = RS = AC/2 and QR = SP = BD/2. If AC = BD, PQRS is a rhombus, having perpendicular diagonals. Yes, ...

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Piyush365
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First, 825 mod 375 = 75, reducing to gcd(375, 75). Next, 375 mod 75 = 0, giving gcd(75, 0). Since the remainder reaches zero, the algorithm terminates to output 75 as the greatest common divisor. Cbse Class 9 Maths Ganita Manjari ...

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Piyush365
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Dorjee has collected 1 litre of water from the Dead Sea! Using the information in the table, answer the following questions. A calculator can be used if necessary. (i) What is the salinity of the mixture if he mixes 1 litre of water from the Dead Sea with 2 litres of purified drinking water? (ii) Is it possible to mix water from the Dead Sea and purified drinking water to get a mixture with the salinity of groundwater? Why/Why not? What quantity of purified drinking water should Dorjee mix with 1 litre of water from the Dead Sea to get a mixture having the salinity of groundwater? (iii) Is it possible to mix water from the Dead Sea and groundwater to get a mixture with the salinity of purified drinking water? Why/Why not? What quantity of groundwater should he mix with 1 litre of water from the Dead Sea to get a mixture having the salinity of purified drinking water?

(i) Salinity is approximately 11.33%. (ii) Yes, because 0.01% lies between 34% and 0.001%; he needs about 3777 litres. (iii) No, because mixture salinity cannot fall below 0.01%. Class 9 Maths How Quantities Combine Understanding Data Question Answer Class 9 Maths ...

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Piyush365
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For (i), n = 11 is prime, but 2¹¹ − 1 = 2047 = 23 × 89 is composite. For (ii), n = 6 is even, but 2⁶ + 1 = 65 = 5 × 13 is composite. Class 9 Maths ...

cbse released class 9 ganita manjari part 2 bookdownload class 9 maths ganita manjari part 2 book and solutionsganita manjari part 2 solutions available!if n is an even numbern is a prime numberthen 2ⁿ + 1 is a prime number
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