Question Detail
Answer: Option B Show
Explanation: Let sum be x and rate be r% => r = 20% Similar Questions : 1. A financier claims to be lending money at simple interest, But he includes the interest every six months for calculating the principal. If he is charging an interest of 10%, the effective rate of interest becomes.
Answer: Option A Explanation: Let the sum is 100. As financier includes interest every six months., then we will calculate SI for 6 months, then again for six months as below: SI for first Six Months = (100*10*1)/(100*2) = Rs. 5 Important: now sum will become 100+5 = 105 SI for last Six Months = (105*10*1)/(100*2) = Rs. 5.25 So amount at the end of year will be (100+5+5.25) Effective rate = 110.25 - 100 = 10.25 2. Rs. 800 becomes Rs. 956 in 3 years at a certain rate of simple interest. If the rate of interest is increased by 4%, what amount will Rs. 800 become in 3 years.
Answer: Option A Explanation: S.I. = 956 - 800 = Rs 156 \begin{aligned} \text{ New Rate = }6\frac{1}{2}+4 \\ \text{ New S.I. = }800\times\frac{21}{2}\times{3}{100} \\ Now amount will be 800 + 252 = 1052 3. There was simple interest of Rs. 4016.25 on a principal amount at the rate of 9%p.a. in 5 years. Find the principal amount
Answer: Option B Explanation: \begin{aligned} So by putting values from our question we can get the answer \begin{aligned} 4. If a sum of money doubles itself in 8 years at simple interest, the ratepercent per annum is
Answer: Option B Explanation: Let sum = x then Simple Interest = x Rate = (100 * x) / (x * 8) = 12.5 5. Find the rate at Simple interest, at which a sum becomes four times of itself in 15 years.
Answer: Option B Explanation: Let sum be x and rate be r% => r = 20% Read more from - Simple Interest Questions Answers Free RRB JE Previous Paper 1 (Held On: 22 May 2019 Shift 2) 100 Questions 100 Marks 90 Mins Last updated on Sep 21, 2022 The RRB (Railway Recruitment Board) is soon going to release the official notification of the RRB JE 2022. For the previous recruitment cycle, the RRB had released a total number of 13487 vacancies. It is expected that this year too the RRB is going to release the approximate same or more than the previous vacancies. The selection process of the RRB JE includes CBT 1, CBT 2, and Document Verification & Medical Test. The selected candidates will get an approximate salary range between Rs. 13,500 to Rs. 38,425. Know about the RRB JE eligibility criteria now. Stay updated with the Quantitative Aptitude questions & answers with Testbook. Know more about Interest and ace the concept of Simple Interest.
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The rate at which a sum becomes 4.8 times of itself in 25.25 years at S.I. will be
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