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Raju took some amount from a bank at 10 % per 1 year. He paid ₹ 1863.75 as interest after 2 years. Then how much amount was initially taken ?
Correct option is D) ₹ 7,100
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Raju took some amount from a bank at 10 % per 1 year. He paid ₹ 1863.75 as interest after 2 years. Then how much amount was initially taken ?
2 Answers
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On certain amount simple interest is 16/25th part of the amount taken then the time and rate of interest is ……………….. (Numerically same)
Correct option is (A) 8 Let the amount taken be Rs P. \(\therefore\) S.I. = \(\frac{16}{25}\times\) P = \(\frac{16P}{25}\) R = T \(\therefore\) S.I. = \(\frac{PRT}{100}\) \(\Rightarrow\) \(\frac{16P}{25}\) = \(\frac{P\times R\times R}{100}\) \((\because\) R = T) \(\Rightarrow\) \(R^2=\) \(\frac{16P}{25}\times\frac{100}P\) \(=16\times4=64=8^2\) \(\Rightarrow\) R = 8 \(\Rightarrow\) T = R = 8
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On a certain amount at 12 (1/2)% rate for 1 years it becomes ₹ 2437.50 then the amount is ………………..
Correct option is (C) ₹ 2166.66 Let the amount be P. R = \(12\frac{1}{2}\%=\frac{25}{2}\%\) T = 1 year Amount after 1 year \(=P(1+\frac R{100})^1\) \(\Rightarrow\) \(P(1+\frac R{100})\) = 2437.50 (Given) \(\Rightarrow\) \(P(1+\frac{25}{200})\) = 2437.50 \(\Rightarrow\) \(P(1+\frac18)\) = 2437.50 \(\Rightarrow\) \(\frac{9P}8\) = 2437.50 \(\Rightarrow\) P = 2437.50 \(\times\frac89=\frac{19500}9\) = 2166.66 \(\therefore\) Amount is Rs 2166.66
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On a certain amount at 12 (1/2)% rate for 1 years it becomes ₹ 2437.50 then the amount is ………………..
2 Answers
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Like India other countries also produce Paddy. Which country produce more paddy in the world ?
Answer is (B) Japan
2 Answers 1 views
Which theory talks about the huge explosion that leads to origin of universe?
Big Bang theory
2 Answers 1 views
In _____, the machine is trained with huge amounts of data which helps it in training itself around the data.
In Deep Learning, the machine is trained with huge amounts of data which helps it in training itself around the data.
2 Answers 2 views
Various climatic factors like are considered during construction of runways, seaports, huge bridges and skyscrapers, etc.
Correct option is: (d) All of these
2 Answers 1 views
A bus is moving towards a huge wall with a velocity of `5m//s^(-1)`. The driver sounds a horn of frequency `200 Hz`. The frequency of the beats heard
Correct Answer - 6 Hz
2 Answers 4 views