At what compound rate of interest r per annum will a sum double itself in t years, when interest is computed annually?
Tap an option to check your answer.
0 marksMathematicsQuantitative aptitude and data reasoningInterest, growth rates and compoundingModerateabout 1 min
JNU SIS 2021 Question 48: Quantitative aptitude and data reasoning
Answer and worked solution
Checking your account…
Plain-text version
At what compound rate of interest r per annum will a sum double itself in t years, when interest is computed annually? (A) r = (ln 2)/(ln t) (B) r = (ln 2)/(ln (t+1)) (C) r = e^((ln 2)/t) - 1 (D) r = e^((ln 2)/t)
Quantitative aptitude and data reasoning has come up 92 times in 6 exams since 2008.
What this question tests
This question is on Interest, growth rates and compounding, part of Quantitative aptitude and data reasoning in Mathematics.
Simple and compound interest and the growth-rate measures used for economies.
TestStop has 22 past-paper questions on this subtopic.
Similar questions from other papers
- Match the Corresponding Equations LIST-I with Solutions LIST-II. LIST-I (Equation): A. 5x² = 0 B. 2x² - 32 = 0 C. 2x² + 32 = 0 D. 2x² - 32x = 0. LIST-II (Solution): I.…
- Assuming x is a whole number greater than or equal to 2, arrange the following four in decreasing order, with the largest first and smallest last: (A) 1/x (B) 1/x² (C)…
- Arrange the following expressions in terms of increasing order of magnitude [given: a>0, b>0, x>0 ]: (A) y=e^a (B) y=e^(a+bx) (C) y=e^(a+b/x) (D) y=e^(a-b/x) (E)…
- Let 2z=-3+√3 i, i=√(-1). Then 2z⁸ is equal to
- Let k ∈ ℝ. Which of the following is/are correct for the roots of x² + 2(k+1)x + 9k - 5 = 0?
Question from the JNU SIS 2021 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.