Q.

Express 350 paise as Rupees (Rs) using decimals.


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a

5.55 Rs

b

3.50 Rs

c

7.52 Rs

d

3.53 Rs 

answer is B.

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Detailed Solution

Concept- Recall the relationship between rupees and paisas, and then convert the supplied amount in paise to rupees to continue.
The connection between the rupee and the paise in Indian currency is one rupee to one hundred paisa, or as follows:
{"mathml":"<math class="image_resized" style="width:202px;height:63px"><span style="font-family:The fraction on the left may now be converted to a decimal number.
When multiplying any number by 100, we move the decimal point two positions to the left to get the answer.
Thus, by shifting the decimal point in 1.0 two places to the left to achieve 0.01, the value of {"mathml":"<math class="image_resized" style="width:32px;height:36px"><span style="font-family: is obtained.
Next, using equation (2) , we get:
{"mathml":"<math class="image_resized" style="width:200px;height:14px"><span style="font-family:We just multiply both sides of equation (3) by 350 and simplify to get the value of 350 paisa in rupees.
When we multiply both sides of equation (3) by 350, the result is:
{"mathml":"<math class="image_resized" style="width:186px;height:14px"><span style="font-family:Any number multiplied by one is the same as the original number, therefore we obtain:
{"mathml":"<math class="image_resized" style="width:252px;height:14px"><span style="font-family:The effect of adding 0.01 to any integer is derived by shifting the decimal point two positions to the left. As a result, in equation (4) , 350 is multiplied by 0.01, and to get 3.50, we shift the decimal point in 350.0 two spaces to the left.
{"mathml":"<math class="image_resized" style="width:120px;height:14px"><span style="font-family:Hence, the correct option is 2) 3.50 Rs.
 
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