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The sum of four consecutive no.in …

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The sum of four consecutive no.in an AP is 32 and the first and the last term to the product of of two middle terms is 7:15.Find the no. plz..tell how to solve this..

Posted by Srishti Mishra 7 years, 8 months ago

CBSE > Class 10 > Mathematics

3 answers

Srishti Mishra 7 years, 8 months ago

ok thanks

0Thank You

Anjali Chauhan 7 years, 8 months ago

Let the four consecutive numbers in the AP be a-3d , a-d , a+d , a+3d . The sum of all these 4 no be 32 and the ratio of the product of last and first term to the product of 2middle terms be 7:15 and then solve it accordingly..... The ans will be 2,6,10,14

3Thank You

Abhishek Pandey 7 years, 8 months ago

1Thank You

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If 1/2 is a root of equation x^2+kx- 5/4 =0 , then what is the value of k

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CBSE > Class 10 > Mathematics