Current population of city
= 12 lakh
1200000
Population after two years =
Thus, the population after two years is 1297920.

Price of machinery = Rs. 10,500
Value after one year = Rs 10,500- Rs 525 = Rs 9975

Since the sum taken is compounded half yearly:
Time period = 4 half years.
Rate = 2% per half year

Since the sum taken is compounded half yearly:
Time period = 3 half years
Rate = 4% per half year

Difference between Rs 2400 and Rs 2000 = Rs 2400- Rs 2000 = Rs 400
The per cent by which Rs 2,000 is less than Rs 2,400 is
(Less with respect to 2400. Hence, 2400 will be in the denominator!)
Rs 2000 is less than Rs 2400 by 16.66%
Now,
The per cent by which Rs 2,400 is more than Rs 2,000 is
(More with respect to 2000. Hence, 2000 will be in the denominator!)
Rs 2400 is more...

Let the number be x.
Half the number =
= 50 %
Therefore, If we take half the number, the decrease in percent is 50%

Net profit = Rs 1000 - Rs 1000 = 0
He neither made an overall profit or loss since the profit made on the first tv equals the loss suffered on the second one.

We know, Cost price = Buying price + Overhead expenses
Cost price = Rs 560 + Rs 40 = Rs 600
Profit percent = 5%
Profit = Rs 30
Now, Selling price (SP) = Cost price + Profit =Rs 600 + Rs 30 = Rs 630
Therefore, the selling price (SP) is Rs 630

If a profit of 5% is made on a lawnmower bought at Rs 1150 with Rs 50 as transportation charges then selling price is:

We know, Cost price = Buying price + Overhead expenses
Cost price = Rs 700 + Rs 50 = Rs 750
Profit percent = 5%
We know,
Profit = Rs 37.5
Now, Selling price (SP) = Cost price + Profit =Rs 750 + Rs 37.5 = Rs 787.50
Therefore, the selling price (SP) is Rs 787.50

Marked price = Rs 15000
Selling Price = Rs 14400
We know, Discount amount = Marked price - Selling price
Discount amount = Rs 15000-Rs 14400 = Rs 600
Therefore, Discount percentage = 4%

Marked price of bag = Rs 250
Discount rate=20%
Selling price = Marked price - Total discount = Rs (250- 50) = Rs 200.

Marked price of shoes=Rs 750
Discount rate = 20%
Selling price= Marked price- Total discount =Rs (750- 150) = Rs 600.

Marked price of dress = Rs120
Discount rate = 20%
Selling price (SP) = Marked price - Total discount = Rs (120- 24) = Rs 96.

from the first question number of parents surveyed X = 300
Given, 20% helped for more than hours.
Therefore, number of such parents = 20% of 300 = 2 x 30 = 60.

from the previous question number of parents surveyed X = 300.
Given, 50% did not help.
Therefore, number of parents that did not help = 50% of 300 = 150.

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