Subject :IMO Class : Class 5
Subject :IMO Class : Class 4
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Subject :IMO Class : Class 5
Solve : (7 x 11) + (2 x 11) + (3 x 11)
(a) 1320
(b) 1230
(c) 1100
(d) None of these
very bad question
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Subject :IMO Class : Class 9
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Subject :IMO Class : Class 4
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Subject :IMO Class : Class 3
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Subject :IMO Class : Class 1
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Subject :IMO Class : Class 8
Ans 1:
Class : Class 10
Ans: (c) 1187.50
Let the principal be x.
A=P(1+R\100)(1+R\100)(1+R\100)=x(1 + 20\100)(1 + 20\100)(1 + 20\100)
=216x\125.;
CI=(A-P)=(216x\125 - x)=91x\125.;
SI=(P*R*T)\100=(x*3*20)\100=3x\5.;
A to Q = 91x\125 - 3x\5=152
16x\125=152.;
x=152*125\16.;
x=1087.50
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Subject :IMO Class : Class 1