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From: alokrajivReply 1 of 193Reply         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: ushenoyReply 2 of 193Reply
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: aishwarya3Reply 3 of 193Reply         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: aishwarya3Reply 4 of 193Reply         View replies (3)
Subject: Contributed Answer/Explanation to Q. 7
   42.9cm .sq

Posted at: Wed Dec 2 07:53:31 2009 (GMT)

From: sheenuReply 5 of 193Reply
Subject: Contributed Answer/Explanation to Q. 41
   p=8&q=4

Posted at: Thu Dec 3 01:25:50 2009 (GMT)

From: shahedReply 6 of 193Reply
Subject: Contributed Answer/Explanation to Q. 50
   the line will be parellel

Posted at: Thu Dec 3 16:55:15 2009 (GMT)

From: shahedReply 7 of 193Reply
Subject: Contributed Answer/Explanation to Q. 49
   the line will be parellel

Posted at: Thu Dec 3 16:57:12 2009 (GMT)

From: shahedReply 8 of 193Reply
Subject: Contributed Answer/Explanation to Q. 50
   this will be rectangle

Posted at: Thu Dec 3 16:59:35 2009 (GMT)

From: raveenasainibhondiReply 9 of 193Reply         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: raveenasainibhondiReply 10 of 193Reply
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_melkoteReply 11 of 193Reply
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_melkoteReply 12 of 193Reply
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: maheshnathwaniReply 13 of 193Reply
Subject: Contributed Answer/Explanation to Q. 6
   {x: -2≤y< 4,x∈ R.}

Posted at: Sun Dec 13 14:57:44 2009 (GMT)

From: maheshnathwaniReply 14 of 193Reply
Subject: Contributed Answer/Explanation to Q. 11
   [4 1

Posted at: Sun Dec 13 15:01:52 2009 (GMT)

From: anushree1994Reply 15 of 193Reply         View replies (3)
Subject: Contributed Answer/Explanation to Q. 17
   75

Posted at: Thu Dec 17 08:23:52 2009 (GMT)

From: nvnkumar45Reply 16 of 193Reply
Subject: about answer
   ur answer is wrong

Posted at: Thu Dec 24 07:24:21 2009 (GMT)

From: mintuReply 17 of 193Reply
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: mintuReply 18 of 193Reply
Subject: Contributed Answer/Explanation to Q. 11
   m[4

Posted at: Fri Dec 25 16:40:12 2009 (GMT)

From: mintuReply 19 of 193Reply
Subject: Contributed Answer/Explanation to Q. 11
   M=[4,1;1,-6]

Posted at: Fri Dec 25 16:41:53 2009 (GMT)

From: nvabhishek11Reply 20 of 193Reply
Subject: wrong answer by aishwariya
   the answer is 19.35 sq cm

Posted at: Sat Dec 26 13:46:46 2009 (GMT)

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