of retum is \( 5 \% \) what is the present value of this investment? 7. Rate of Return You invested \( \$ 5,000 \), and after 8 years, It grows to \( \$ 7,500 \). What is the annual rate of return on the investment? Use the RaIE function in Excel.

Fend the conpound enterest on Rs 24,000 compoundsd semi- anmualey for \( 1 \frac{1}{2} \) yeas at the Rate of \( 10 \% \)

121. A shopkeeper advertises for selling cloth at \( 4 \% \) loss. However, by using a false metre scale he actually gains \( 20 \% \). What is the actual length of the scale? \( \begin{array}{ll}\text { (R.R.B., } 2006 \text { ) } \\ \begin{array}{ll}\text { (a) } 70 \mathrm{~cm} & \text { (b) } 75 \mathrm{~cm} \\ \text { (c) } 80 \mathrm{~cm} & \text { (d) } 90 \mathrm{~cm}\end{array} \\ \text { 122. Instead of a metre scale, a cloth merchant uses a } \\ 120 \mathrm{~cm} \text { scale while buying but uses an } 80 \mathrm{~cm} \text { scale } \\ \text { while selling the same cloth. If he offers a discount } \\ \text { of } 20 \% \text { on cash payment what is his overall profit } \\ \text { percentage? } \\ \begin{array}{ll}\text { (a) } 15 \% & \text { (b) } 20 \% \\ \text { (c) } 25 \% & \text { (d) } 40 \%\end{array} \\ \text { gain percentage but actually earns } 37 \frac{1}{2} \% \text { profit by } \\ \text { using false weight. If for a kg he uses a weight of } \\ 800 \text { gm, what is the nominal gain percentage at } \\ \text { which he claims to be selling his goods? } \\ \begin{array}{ll}\text { (a) } 8 \% & \text { (b) } 10 \% \\ \text { (c) } 15 \% & \text { (d) } 20 \%\end{array}\end{array} \).

A, B को 600 रु. 2 वर्बों के लिए वर्षो के लिए उधार देता है तथा A' दोनों से एक साथ 90 रु. साधारण ब्यांज के रूप में प्राप्त करता है। ब्याज की दर ज्ञात करें। \( \begin{array}{ll}\text { (1) } 5 \% & \text { (2) } 3 \% \\ \text { (3) } 6 \% & \text { (4) } 7 \%\end{array} \) क निक्नित धन को साधारण ब्याज की एक निश्चित दत

\( P=16000 R=10 \% \) Pia compoeinded half yoarly and \( T=2 y 0 \). find the amount after 2 years.

कोई धन \( 7 \% \) की दर से 4.5 गुणा होने में कितना समय लगेगा। a) 40 साल b) 50 साल c) 35 साल d) 42 साल