Question

"R" made certain investments with a 40% annual compound

Q: Answer-'R' made certain investments with a 40% annual compound interest rate that is compounded quarterly....

ATQ, Effective rate of interest 40 4 10 p.a. And effective time period 912 X 4 3 terms We know that for compound interest, Amount Sum X 1 rate of interest100 time period Let the sum invested be Rs. S So, 199650 S X 1 10100 3 Or, 199650 S X 1.13 Or, 199650 1.331S So, S 1,50,000 Therefore, sum invested Rs. 1,50,000 For I Interest received 125000 X 0.3 X 4 Rs. 1,50,000 Therefore, statement I is true. For II Cost price of the article 2400001.4 Rs. 171428.57 Therefore, statement II is false. For III Difference between savings of P and Q 0.6 X a 406320 - 0.6 X a 156320 0.6 X 406320 - 156320 0.6 X 250000 Rs. 1,50,000 Therefore, statement III is true.

interest rate that is compounded quarterly. If, 9 months later, he receives Rs. 1,99,650, then the amount invested by 'R' is equal to: I. Interest earned on Rs. 1,25,000 invested for four years at a simple interest rate of 30% per annum. II. The cost of an item that sells for Rs. 2,40,000 after a 40% profit. III. The difference between 'P' and 'Q''s' savings, assuming that each of them spends 40% of their respective salaries of Rs. (a + 406320) and Rs. (a + 156320).

A Only I

B All I, II and III

C Only I and II

D Only II

E Only I and III

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