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CBSE Class 9 Answered

a machine in a soft drink factory fills 840 bottles in six hours how many bottles will it fill in five hours?
Asked by Suresh | 13 Feb, 2017, 06:31: PM
answered-by-expert Expert Answer
begin mathsize 16px style Given space that space the space machine space fills space 840 space bottles space in space 6 space hours So comma space in space 1 space hour space the space machine space can space fill space 840 over 6 equals 140 space bottles Hence comma space in space 5 space hours space the space machine space can space fill space 140 cross times 5 equals 700 space bottles end style
Answered by Rebecca Fernandes | 13 Feb, 2017, 07:21: PM

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CBSE 9 - Maths
a coin is tossed for 115 times and we get 71 heads find the probability of getting no heads
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CBSE 9 - Maths
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CBSE 9 - Maths
a card is drown randomly from a well suffled pack of 52 cards find the probability of getting (1)a king (2)a ace(3)red jacket(4)face card
Asked by suraiyabegum687 | 22 Apr, 2021, 12:25: PM
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CBSE 9 - Maths
A bag contains 5 white balls, 7 red balls, 4 black balls and 2 blue balls. One ball is drawn at random from the bag. What is the probability that the ball drawn is (i) white or blue (ii) red or black (iii) not white. colud you please explain this question in an easy way.
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CBSE 9 - Maths
Consider the frequency distribution table given below which gives the weights of 38 students of a class Weight (in kg) 31 – 35 36 – 40 41 – 45 46 – 50 51 – 55 56 – 60 61 – 65 Number of students 9 5 14 3 2 1 4
Asked by pradeepkumarpaswan57 | 21 Sep, 2020, 05:12: PM
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CBSE 9 - Maths
Given below is the frequency distribution of wages (in ₹) of 50 workers in a school. A worker is selected at random, find the probability that his wages are (i) less than ₹120 (ii) at least ₹ 130. (iii) more than or equal to ₹120.    
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CBSE 9 - Maths
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CBSE 9 - Maths
Three coins are tossed simultaneously 250 times and the following frequencies of the outcomes are recorded:
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CBSE 9 - Maths
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