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## Discussion topic: Contributed Answer/Explanation to Q. 1

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 Page 1 of 10  >  >> From: alokrajiv Reply 1 of 193 Reply View replies (1) Subject: Contributed Answer/Explanation to Q. 1 ``` 4250  (P x R x T)/100 = 340  P x 0.04 x 2 = 340  P = 340/0.08  P = 4,250 The principal or sum of money is Rs.4,250. ```Posted at: Thu Nov 26 13:22:37 2009 (GMT) From: ushenoy Reply 2 of 193 Reply Subject: Contributed Answer/Explanation to Q. 2 ``` 171.70 A = P [1+ R/(n x 100)]nT where A = Amount, P = Principal = Rs. 4250 from (a)(i), R = rate of interest per annum = 4, n = frequency of payment = 2 (for half yearly payable), and T = time = 1 year. On substituting, A = 4250 [1+ 4/(2 x 100)]2 x 1 = 4250 [1+ 0.02]2 = 4250  x 1.02 x 1.02 = 4421.7 Interest = A - P = 4421.7 - 4250 = 171.7 The compound interest is Rs. 171.70  ```Posted at: Fri Nov 27 14:02:18 2009 (GMT) From: aishwarya3 Reply 3 of 193 Reply View replies (1) Subject: Contributed Answer/Explanation to Q. 4 ``` 4 (x-2)=factor of 2x2-x2-px-2 =   x-2=0 =    x=2 =    2(2)3-(2)2-p(2)-2=2 =    2(8)-4-2p-2=2 =    16-4-2-2=2p =    12-4=2p =     8=2p =     8=p        2 =    4=p     ```Posted at: Wed Dec 2 07:44:24 2009 (GMT) From: aishwarya3 Reply 4 of 193 Reply View replies (3) Subject: Contributed Answer/Explanation to Q. 7 ``` 42.9cm .sq ```Posted at: Wed Dec 2 07:53:31 2009 (GMT) From: sheenu Reply 5 of 193 Reply Subject: Contributed Answer/Explanation to Q. 41 ``` p=8&q=4 ```Posted at: Thu Dec 3 01:25:50 2009 (GMT) From: shahed Reply 6 of 193 Reply Subject: Contributed Answer/Explanation to Q. 50 ``` the line will be parellel ```Posted at: Thu Dec 3 16:55:15 2009 (GMT) From: shahed Reply 7 of 193 Reply Subject: Contributed Answer/Explanation to Q. 49 ``` the line will be parellel ```Posted at: Thu Dec 3 16:57:12 2009 (GMT) From: shahed Reply 8 of 193 Reply Subject: Contributed Answer/Explanation to Q. 50 ``` this will be rectangle ```Posted at: Thu Dec 3 16:59:35 2009 (GMT) From: raveenasainibhondi Reply 9 of 193 Reply View replies (2) Subject: Contributed Answer/Explanation to Q. 20 ``` Rs.424.833 Principal for the month of january=Rs.2002Principal for the month of february=Rs.2002Principal for the month  of march=Rs.2852Principal for the month of April=Rs.1722Principal for the month of May=Rs.2372Principal for the month of June=Rs.1795Total euivalent amount for one month=Rs.12745Therefore, Interest=12745*4*1/100*12                             =Rs.424.833 ```Posted at: Fri Dec 4 12:42:49 2009 (GMT) From: raveenasainibhondi Reply 10 of 193 Reply Subject: Contributed Answer/Explanation to Q. 20 ``` Rs.424.833 Principal for the month of january=Rs.2002Principal for the month of february=Rs.2002Principal for the month  of march=Rs.2852Principal for the month of April=Rs.1722Principal for the month of May=Rs.2372Principal for the month of June=Rs.1795Total equivalent amount for one month=Rs.12745Therefore, Interest=12745*4*1/100*12                             =Rs.424.833  ```Posted at: Fri Dec 4 14:15:32 2009 (GMT) From: ramya_melkote Reply 11 of 193 Reply Subject: Contributed Answer/Explanation to Q. 3 ``` a/b=c/d 8a-5b/8c-5d=8a+5b/8c+5d=>  8a-5b/8a+5b=8c-5d/8c+5dby applying componendo and dividendo ,we have 8a-5b+8a+5b/8a-5b-8a-5b= 8c-5d+8c+5d/8c-5d-8c-5d16a/-10b=16c/ -10da/b=c/d      [by dividing 16/-10] ```Posted at: Sun Dec 6 16:20:38 2009 (GMT) From: ramya_melkote Reply 12 of 193 Reply Subject: wrong answer ``` there is a slight mistake in the last division other than that everything is correct the correct answer is 42.48```Posted at: Sun Dec 6 16:36:19 2009 (GMT) From: maheshnathwani Reply 13 of 193 Reply Subject: Contributed Answer/Explanation to Q. 6 ``` {x: -2≤y< 4,x∈ R.} ```Posted at: Sun Dec 13 14:57:44 2009 (GMT) From: maheshnathwani Reply 14 of 193 Reply Subject: Contributed Answer/Explanation to Q. 11 ``` [4 1 ```Posted at: Sun Dec 13 15:01:52 2009 (GMT) From: anushree1994 Reply 15 of 193 Reply View replies (3) Subject: Contributed Answer/Explanation to Q. 17 ``` 75 ```Posted at: Thu Dec 17 08:23:52 2009 (GMT) From: nvnkumar45 Reply 16 of 193 Reply Subject: about answer ``` ur answer is wrong ```Posted at: Thu Dec 24 07:24:21 2009 (GMT) From: mintu Reply 17 of 193 Reply Subject: Wrong anwser ``` The answer is wrong given by AISHWARYA3.As the correct ans. is 19.35cm2 ,and this i have checked in my book written by-"M.L.Agrawal". ```Posted at: Fri Dec 25 14:53:24 2009 (GMT) From: mintu Reply 18 of 193 Reply Subject: Contributed Answer/Explanation to Q. 11 ``` m[4 ```Posted at: Fri Dec 25 16:40:12 2009 (GMT) From: mintu Reply 19 of 193 Reply Subject: Contributed Answer/Explanation to Q. 11 ``` M=[4,1;1,-6] ```Posted at: Fri Dec 25 16:41:53 2009 (GMT) From: nvabhishek11 Reply 20 of 193 Reply Subject: wrong answer by aishwariya ` the answer is 19.35 sq cm`Posted at: Sat Dec 26 13:46:46 2009 (GMT) Page 1 of 10  >  >>