Telangana SCERT Solution Class VIII (8) Math Chapter 5 Comparing quantities using Proportion Exercise 5.2
(1) In the year 2012, it was estimated that there were 36.4 crore Internet users worldwide. In the next ten years, that number will be increased by 125%. Estimate the number of Internet users worldwide in 2022.
(2) An owner increases the rent of his house by 5% at the end of each year. If currently its rent is ₹2500 per month, how much will be the rent after 2 years?
(3) On Monday, the value of a company’s shares was ₹7.50. The price increased by 6% on Tuesday, decreased by 1.5% on Wednesday, and decreased by 2% on Thursday. Find the value of each share when trade opened on Friday
(4) 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 cm by 4 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?
(5) The printed price of a book is ₹150. And discount is 15%. Find the actual amount to be paid
(6) The marked price of a gift item is ₹176 and sold it for ₹165. Find the discount percent.
(7) A shop keeper purchased 200 bulbs for ₹10 each. However 5 bulbs were fused and put them into scrap. The remaining were sold at ₹12 each. Find the gain or loss percent.
(8) Complete the following table with appropriate entries (Wherever possible)
S. No. |
Cost Price (C.P.) | Expenses | Selling Price (S.P.) | Profit | Loss | Profit Percentage | Loss Percentage |
1 |
₹ 750 | ₹ 50 |
₹ 80 |
||||
2 | ₹ 4500 | ₹ 500 |
₹ 1,000 |
||||
3 |
₹ 46,000 | ₹ 4000 | ₹ 60,000 | ||||
4 | ₹ 300 | ₹ 50 |
12% |
||||
5 |
₹ 330 | ₹ 20 |
10% |
(9) A table was sold for ₹2,142 at a gain of 5%. At what price should it be sold to gain 10%.
(10) Gopi sold a watch to Ibrahim at 12% gain and Ibrahim sold it to John at a loss of 5%. If John paid ₹1,330, then find how much did Gopi sold it?
(11) Madhu and Kavitha purchased a new house for ₹3,20,000. Due to some economic problems they sold the house for ₹2, 80,000. Find (a) The loss incurred (b) the loss percentage.
(12) A pre-owned car show-room owner bought a second hand car for ₹1,50,000. He spent ₹20,000 on repairs and painting, then sold it for ₹2,00,000. Find whether he gets profit or loss. If so, what percent?
(13) Lalitha took a parcel from a hotel to celebrate her birthday with her friends. It was billed with ₹1,450 including 5% VAT. Lalitha asked for some discount, the hotel owner gave 8% discount on the bill amount. Now find the actual amount that lalitha has to pay to the hotel owner
(14) If GST is included in the price, find the actual price of each of the following.
S. No. |
Item | GST% | Bill amount (in ₹) | Original Price (in ₹) |
(i) | Diamond | 3% |
₹ 10,300 |
|
(ii) |
Pressure Cooker | 12% | ₹ 3,360 | |
(iii) | Face powder | 28% |
₹ 256 |
(15) A Cellphone Company fixed the price of a cellphone as ₹4500. A dealer purchased a cell phone on which he paid 12% GST. additionally. How much did the dealer paid as GST? What is the purchase price of Cellphone?
(16) 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’.