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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
The Amount to be paid at the end of 4 years is Rs 1948.37
The amount to be paid at the end of 2 years is Rs 2646
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
=Rs1500 Amount to be paid = Interest + Principal Amount =Rs 15000 + Rs 1500 =Rs 16500
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...

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H Harsh Kankaria
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
Selling price = Rs 5225 Discount percent = 5% Therefore, the marked price = Rs 5500
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.

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H Harsh Kankaria
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.

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H Harsh Kankaria
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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