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ICSE Class 10 Answered

 
PLEASE SOLVE THESE QUESTIONS WITH STEPS
 
 
Asked by Latha | 03 Nov, 2017, 07:54: PM
answered-by-expert Expert Answer
begin mathsize 16px style According space to space the space given space question comma straight A space and space straight B space can space do space the space work space in space 8 space days space rightwards double arrow fraction numerator begin display style 1 end style over denominator begin display style straight A end style end fraction plus fraction numerator begin display style 1 end style over denominator begin display style straight B end style end fraction equals fraction numerator begin display style 1 end style over denominator begin display style 8 end style end fraction space straight A space alone space can space do space the space work space in space 12 space days space rightwards double arrow space 1 over straight A equals 1 over 12 rightwards double arrow fraction numerator begin display style 1 end style over denominator begin display style 12 end style end fraction plus 1 over straight B equals fraction numerator begin display style 1 end style over denominator begin display style 8 end style end fraction rightwards double arrow fraction numerator begin display style 1 end style over denominator begin display style straight B end style end fraction equals fraction numerator begin display style 1 end style over denominator begin display style 8 end style end fraction minus fraction numerator begin display style 1 end style over denominator begin display style 12 end style end fraction rightwards double arrow fraction numerator begin display style 1 end style over denominator begin display style straight B end style end fraction equals fraction numerator 12 minus 8 over denominator 96 end fraction rightwards double arrow fraction numerator begin display style 1 end style over denominator begin display style straight B end style end fraction equals 4 over 96 rightwards double arrow fraction numerator begin display style 1 end style over denominator begin display style straight B end style end fraction equals 1 over 24 straight B space alone space can space do space the space work space in space 24 space days. end style
Answered by Sneha shidid | 05 Nov, 2017, 05:09: PM

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ICSE 10 - Maths
From a pack of playing cards, all cards whose numbers are multiples of 3 are removed. A card is now drawn at random. What is the probability that the card drawn is (ii) an even numbered red card.
Asked by sohasurani78 | 04 Jun, 2022, 12:56: PM
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ICSE 10 - Maths
natural numbers from 1 to 10 are written on paper slips and are put in a box. another box contains paper slips with numbers less than 10 which are multiples of 3. one slip is taken from the each box. a- what is the probabily of both being odd ? b- what is the probability of getting at least one even ?
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Asked by army29676 | 25 Mar, 2022, 08:35: PM
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ICSE 10 - Maths
Two boys runs a 200m race . The probability of boy A winning the match is 10% more than B winning the match...then what's the probability of B winning the match.
Asked by rahena258 | 10 Mar, 2022, 12:45: PM
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ICSE 10 - Maths
what is the meaning of probability
Asked by ARARTSRAHEEM | 04 May, 2021, 09:32: AM
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ICSE 10 - Maths
  A letter is chosen at random from the work EDUCATION. Find the probability that it is not in EXAMINATION
Asked by meera.singh2326 | 11 Aug, 2020, 08:23: PM
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ICSE 10 - Maths
A bag containing 5 white, 6 red balls and 9 green balls. A ball is Drawn at random from the bag. Find the probability of (i) A white (or) a red ball (ii) neither a green ball nor a white ball ​​​​​​​
Asked by yehovanissiprayerhouse | 31 Jul, 2020, 10:54: AM
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ICSE 10 - Maths
2 coins are tossed simultaneously. find the probability of getting 2 heads
Asked by bangalore.likitha | 02 Apr, 2020, 03:18: PM
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ICSE 10 - Maths
A dice is thrown two times and the total throw is noted. Find the probability that the total score is       1. Even no.     2. Six      3.  Less than 10.
Asked by arpitt682 | 02 Mar, 2020, 05:35: AM
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ICSE 10 - Maths
A circle with diameter 20cm is drawn somewhere on a rectangular piece of paper with length 40cm and width 30cm.This paper is kept horizontal on table top and a die ,very small in size,is dropped on the rectangular paper without seeing towards it. If the die falls and lands on the paper only,find the probability that it will fall and land: 1.inside the circle. 2.outside the circle
Asked by tarunkumardas32 | 23 Feb, 2020, 02:13: PM
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ICSE 10 - Maths
A box contains a ceretain number of balls. Some of these balls are makred A.  Some are makred B and the remainings are marked C   When a ball is drawn at random from the box  P(A)  = 1/3 and P (B) = 1/4 . If there are 40 balls lin the box which are marked as C, find the number of balls in the box   regards rs  
Asked by s.priyamvathaiyer | 24 Apr, 2019, 12:50: PM
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