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Time | Transcript |
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00:00 - 00:59 | hello everyone here the question is a bag contains 30 tokens number serial Reform 0229 the number of ways of choosing 3 tokens from the bag such that the sum on them is 30 and these are the four options provided and we have to choose one correct option from this now let's come to earth solution so basically had their 3230 tokens from 0229 and we have to choose three token just suppose this is first token this is S token and this is third token so that their sum is 30 so just supposed that if our first token is a start from zero then remaining two is that is 129 and 228 this is up to 14 and 16 this is a large last |

01:00 - 01:59 | you so that we get our some 32 hair total ways is 14 days now just suppose that that if first token is one so remaining two can be that is 227 326 and this is up to 14 and 15 so hair there are total 13 ways now if first token is starting from 2 then hair remaining two can be 325 and this is up to 13 and 15 so hair total wages 11 now if first token is starting from 3 then remaining three token can we 423 and this is up to 13 and 14 Sohail total number of |

02:00 - 02:59 | images 10 now if first token is starting from 4 then hair remaining two token can be 521 and this is up to 12 and 14 Sohail total number of ways is 8 and if our token is starting from 5 then remaining two can be 619 and this is up to 12 13 Sohail total number of ways is 7 if first token is starting from 6 then remaining two token is 717 up to 11 13 and their total number of wages 5 now if first token is 7 then remaining two token can be 815 this is up to 11 |

03:00 - 03:59 | 12 Andreas total number of ways 4 now if first token is starting from 8 then remaining two token can be 913 this is up to 10 and 12 so hair there are a total number of ways is to now if first token is 9 then remaining two token is 1011 so here there is only one way now here we have to find the total number of ways so hair add all this 14 1110 up 21 so here we get that is total possible ways is equal to 14 + 13 + 11 + 10 + 8 + 7 + |

04:00 - 04:59 | 10 + 8 + 7 + 5421 that is 5 + 4 + 2 + 1 so add all this so here we get 75 Sohel total number of ways is 75 and their option number 3rd is correct so this is our answer thank you |

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