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## The distance (in km) of 40 engineers from their residence to their place of work were found as follows: 5 3 10 20 25 11 13 7 12 31 19 10 12 17 18 11 32 17 16 2 7 9 7 8 3 5 12 15 18 3 12 14 2 9 6 15 15 7 6 12 Construct a grouped frequency distribution table with class size 5 for the data given above taking the first interval as 0-5 (5 not included). Q.2

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How i solve the question of class 9th ncert math of Statistics chapter of exercise 14.2  of question no 2 ...Read more

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## The blood groups of 30 students of Class VIII are recorded as follows: A, B, O, O, AB, O, A, O, B, A, O, B, A, O, O, A, AB, O, A, A, O, O, AB, B, A, O, B, A, B, O. Represent this data in the form of a frequency distribution table. Which is the most common, and which is the rarest, blood group among these students? Q.1

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Hello sir i want to know the best solution of the question from exercise 14.2  of math of Statistics chapter ...Read more

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## Classify the data in Q.1 above as primary or secondary data. Q.2

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I want to know the best answer of the question from Statistics chapter of class 9th ncert math. The question ...Read more

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## Give five examples of data that you can collect from your day-to-day life. Q.1

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What is the best way for solving the question from class 9th ncert math of Statistics chapter of Ncert of ...Read more

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## A capsule of medicine is in the shape of a sphere of diameter 3.5mm. How much medicine (in mm3) is needed to fill this capsule? (Assume π = 22/7) Q.10

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Hello sir i want to know the answer of the question from surface areas and volumes of exercise 13.8 of ...Read more

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## Twenty-seven solid iron spheres, each of radius r and surface area S are melted to form a sphere with surface area S’. Find the (i) radius r’ of the new sphere, (ii) ratio of Sand S’. Q.9

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I don’t know how to solve this problem of Surface Areas and Volumes of exercise 13.8 of class 9th math ...Read more

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## A dome of a building is in the form of a hemi sphere. From inside, it was white-washed at the cost of Rs. 4989.60. If the cost of white-washing isRs20 per square meter, find the (i) inside surface area of the dome (ii) volume of the air inside the dome (Assume π = 22/7) Q.8

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What are the different way for solving the question for class 9th question of Surface Areas and Volumes chapter of ...Read more

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## Find the volume of a sphere whose surface area is 154 cm2. (Assume π = 22/7) Q.7

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sir what is the best way for solving the question of class 9th chapter of Surface areas and Volumes chapter ...Read more

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## A hemi spherical tank is made up of an iron sheet 1cm thick. If the inner radius is 1 m, then find the volume of the iron used to make the tank. (Assume π = 22/7) Q.6

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Give me the best and simple way for solving the question of class 9th of Surface areas and Volumes chapter ...Read more

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## How many litres of milk can a hemispherical bowl of diameter 10.5cm hold? (Assume π = 22/7) Q.5

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What is the simplest way for solving the question of class 9th of exercise 13.8   of math of question no.5 ...Read more