1. Each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data rovided in the statements are sufficient to answer the question. Read both the statements and-Give answer a: if the data in statement I alone is sufficient to answer the question, while the data in statement II alone is not sufficient to answer the question Give answer b: if the data in statement II alone is sufficient to answer the question, while the data in statement I alone is not sufficient to answer the question Give answer c: if thedata either in statement I alone or in statement II alone is sufficient to answer the question. Give answer d: if the data in both the statements I and II together are not sufficient to answer the question. Give answer e: if the data in both the statements I and II together are necessary to answer the question.What is the rate of interest p.c .p. a.? I. Simple interest earned in 3 years is Rs. X. II. The amount increases by 80% in 5 years.
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- By: anil on 05 May 2019 01.28 amI : Since, we do not know the principal amount, thus I alone is not sufficient to find the rate of interest. II : Let principal be $$100x$$ => Amount after 5 years = $$frac{180}{100} * 100x = 180x$$ => interest after 5 years = $$180x - 100x = 80x$$ $$ecause$$ $$r = frac{S.I. imes 100}{P imes T}$$ => $$r = frac{80x imes 100}{100x imes 5}$$ => $$r = 16$$% Thus, II alone is sufficient.
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