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Answer (Detailed Solution Below)Option 1 : 30 years Free Syllogism (Clear Your Basics) 10 Questions 10 Marks 10 Mins Given: Time = 15 years; Amount = 3 × principal Formula used: Amount = Principal + simple Interest Simple interest = [(Principal× Rate× Time)/100] Calculation: 3P = P + (P × R × 15)/100 ⇒ 2p = (p × R × 15)/100 ⇒ (2× 100)/15 = R ⇒ 40/3 % = R Now, 5P = P + (P × 40/3 × t)/100 ⇒ 4P = (P × 40/3 × t)/100 ⇒ (3 × 100)/10 = t ⇒ 30 years = t ∴ A sum of money becomes five times in 30 years.
Time taken to for 2P is 15 years hence time taken for 4P will be 30 years ( just double of it). Latest RRB Office Assistant Updates Last updated on Sep 21, 2022 IBPS RRB Clerk Provisional Allotment List (CRP-RRBs-X) released on 22nd September 2022. Earlier, the IBPS RRB Clerk Prelims Scorecard (CRP RRBs XI) was released on 13th September 2022. The Mains Examination will be held on 24th September 2022. The IBPS RRB Clerk Admit Card for the Mains Exam (CRP-RRB-XI). has also been released and candidates can download the same by 24th September 2022. The final selection of the candidates will be based on their scores in the Mains Exam. A total number of 4483 vacancies are released for the RRB Office Assistant 2022. With a decent pay scale of Rs. 11,765 to Rs. 31,540, it is a golden opportunity for job seekers. Prepare well for your excam with the help of IBPS RRB Clerk books. Ace your Interest preparations for Simple Interest with us and master Quantitative Aptitude for your exams. Learn today!
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A sum of money at simple interest trebles itself in 15 years. it will become 5 times of itself in
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