Telangana Board Solutions for Chapter: Comparing Quantities using Proportion, Exercise 7: Exercise 7

With most of the Xerox machines, you can reduce or enlarge your original by entering a percentage for the copy. Reshma wanted to enlarge a $2 \mathrm{cm}$ by $4 \mathrm{cm}$ drawing. She set the Xerox machine for $150\%$ and copied her drawing. What will be the dimensions of the copy of the drawing be?

Madhu and Kavitha purchased a new house for $₹ 320000$. Due to some economic problems they sold the house for $₹ 280000$. The loss incurred is $₹L$. Find the value of $L$.

Madhu and Kavitha purchased a new house for $₹320000$. Due to some economic problems they sold the house for $₹280000$. If the loss is $k\%$ then find $k$ in decimal form.

A pre-owned car showroom owner bought a second hand car for $₹ 150000$. He spent $₹ 20000$ on repairs and painting, then sold it for $₹ 200000$. Find whether he gets profit or loss. If so, what percent?

Lalitha took a parcel from a hotel to celebrate her birthday with her friends. It was billed with $₹ 1,450$ including $5\% \mathrm{VAT}$. Lalitha asked for some discount, the hotel owner gave $8\%$ discount on the bill amount. Now if the actual amount that Lalitha has to pay to the hotel owner is $₹x$, then find the value of $x$.

If $\mathrm{GST}$ is included in the price, find the actual price of the following.

If $\mathrm{GST}$ is included in the price, find the actual price of the following.

A Super-Bazar prices an item in rupees and paise so that when $4\%$ sales tax is added, no rounding is necessary because the result is exactly in $‘n’$rupees, where $‘n’$ is a positive integer. Find the smallest value of $‘n’$.