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CBSE Class 11-science Answered

The question is attached. Please send the step by step complete solution. I also request that please don't send any weblink to this question because I am unable to open thelink everytime.
Asked by sudhanshubhushanroy | 12 Dec, 2017, 08:19: PM
answered-by-expert Expert Answer
begin mathsize 16px style 9 factorial space can space be space written space as space 2 to the power of 7 cross times 3 to the power of 4 cross times 5 cross times 7 Odd space factors space of space the space from space 3 straight m plus 2 space are space neither space multiples space of space 2 space nor space multiples space of space 3. space So space the space factors space can space be space 1 comma 5 comma 7 comma 35. If space straight m equals 1 space then space 3 straight m plus 2 space is space 5. If space straight m equals 11 space then space 3 straight m plus 2 space is space 35. Hence space only space 5 space and space 35 space are space of space the space form space 3 straight m plus 2. space Their space sum space is space 40. end style
Answered by Sneha shidid | 13 Dec, 2017, 09:55: AM

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CBSE 11-science - Maths
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Asked by Kchawla94 | 28 Feb, 2019, 08:07: PM
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CBSE 11-science - Maths
number of ways of selecting pair of black squares in chessboard such that they have exactly one common corner is equal to ______________  
Asked by samyakagarwal7may | 12 Oct, 2018, 11:45: PM
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CBSE 11-science - Maths
In a class there are 27 boys and 15 girls.  The teacher wants to select a boys and a girl for the monitor ship of the class.  In how many ways can the teacher make this selection?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 11-science - Maths
A room has 5 doors. In how many ways can a man enter the room through one and come out through a different door?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 11-science - Maths
How many words (with or without meaning) of three distinct letters of the English alphabets are there?
Asked by Topperlearning User | 24 Nov, 2015, 12:14: PM
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CBSE 11-science - Maths
How many numbers are there between 100 and 1000 in which all the digits are distinct?
Asked by Topperlearning User | 12 Sep, 2016, 11:52: PM
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CBSE 11-science - Maths
How many three digit odd numbers can be formed by using the digits 1,2,3,4,5,6 If:  1) the repetition of digits is not allowed?       2) the repetition of digits is allowed?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 11-science - Maths
A mint prepares metallic calendars specifying months, dates and days in the form of monthly sheets (one plate for each month). How many types of February calendars should he prepare to serve for all the possibilities in the future years?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 11-science - Maths
In how many ways 5 rings of different types can be worn in 4 fingers?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 11-science - Maths
How many numbers are there between 100 and 1000 which have exactly one of their digits as 7?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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