Question 4 - Figure it out - Page 22, 23, 24 - Chapter 1 Class 8 - Fractions in Disguise (Ganita Prakash II)

Transcript

Question 4 Jasmine invests amount ‘p’ for 4 years at an interest of 6% p.a. Which of the following expression(s) describe the total amount she will get after 4 years when compounding is not done? (i) p × 6 × 4 (ii) p × 0.6 × 4 (iii) p × 0.6/100 × 4 (iv) p × 0.06/100 × 4 (v) p × 1.6 × 4 (vi) p × 1.06 × 4 (vii) p + (p × 0.06 × 4) So, we use Simple Interest Now, given that Principal = p Rate = R = 6% per year = 6/100 = 0.06 Time = 4 years Now, Interest = Principal × Rate × Time = P × R × T = p × 0.06 × 4 And, Amount = Principal + Interest = p + p × 0.06 × 4 So, option (vii) matches