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\ 06-Jan-2025 Bharat Arora Proof-7 Reader’s Sign _______________________ Date __________

Practice Time 7D

1. A dealer in Delhi sells goods to a consumer in Delhi worth `24,000. The GST rate on the goods is
18%. Compute the CGST and SGST collected by the dealer.
2. Find the bill amount in each case if
(a) SP = `5450 and VAT= 5% (b) SP = `1300 and GST = 18%
3. The list price of a coffee maker is `6500. If it is sold for `6760 including sales tax, find the rate of
sales tax.
4. What was the original price of a shampoo bottle if it is bought for `324, including 8% sales tax?

5. Jyotsana bought a product for `44800 including 28% GST. Find the price before tax was added.
6. Reena goes to a shop to buy a radio, which costs `2,560. The rate of GST is 28%. She tells the
shopkeeper to reduce the price of the radio (i.e., allow a discount on the price of the radio) to such
an extent that she has to pay `2,560 inclusive of GST. Find the reduction needed in the price of the
radio.
7. During a festival, Raman purchased a computer at a discount of 20%. If the marked price on the
computer was `65,000, then find the amount he pays when a VAT of 12.5% has been levied on it.
8. A shopkeeper gives an 8% discount on a refrigerator. If the list price of the refrigerator is `15,500,
find the amount which a customer has to pay to buy the refrigerator, if the rate of GST is 28%.

Compound Interest

Good news! The banks have increased
the rate of interest on Fixed Deposits
(FDs). For senior citizens, it has risen
up to 8.25% for 3 years and above.

Grandma! I don’t understand what
are you talking about. Please let
me know about the interest.

Sure! Interest is the extra money paid by
institutions like banks or post offices on
money deposited (kept) with them. Interest
is also paid by people when they borrow
money. On the basis of calculation, there
are two types of interests – Simple Interest
and Compound Interest.

In class VII, we have learnt how to calculate the amount of simple interest (SI) charged on a sum
(Principal, P) at a given rate (R% per annum) and for a given period of time (T years).
PR T
×
×
Simple Interest (SI) = and Amount (A) = P + SI
100
179 Comparing Quantities