what is standard unit of measurement?

Answer:

2,3,5,7,11

Step-by-step explanation:

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Answer:

2,3,5,7,11,13,17,19,23,29 ETC..

Step-by-step explanation:

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Answer:

Correct option is B)

Let the natural number be x.

Then according to the given condition,

3x

2

−4x=50+x

3x

2

−5x−50=0

3x

2

−15x+10x−50=0

3x(x−5)+10(x−5)=0

(3x+10)(x−5)=0

∴x=

3

−10

and x=5.

Since, x is given to be a natural number, so x = 5.

Step-by-step explanation:

Answer:

Ways to implement a zero garbage system at domestic level involves:

By sorting or separating biodegradable and non-biodegradable wastes in a separate place.

Using fruits and vegetables peel as manure in plants.

Mineral wastes can be used as landfills which decompose into manure.

Answer:

Zero waste is a set of principles focused on waste prevention that encourages the redesign of resource life cycles so that all products are reused. The goal is for no trash to be sent to landfills, incinerators or the ocean.

This reduces the need to utilize non-renewable resources by reusing materials that have already been consumed.

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Answer:

1) ans Market price of watch =Rs. 5400

Selling price =Rs. 4500

Discount=Market price−selling price

[tex]add \: discount \: \% \: \frac{discount \: }{market \: price \: } x \: 100[/tex]

Now, by sing formula,

Discount=5400−4500=Rs. 900

[tex]discount \: \% = \frac{900}{5400} \times = \frac{900}{54} = 16.67\%[/tex]

2) ans Let the cost price be Rs. 100.

Then, the marked price

[tex] = 100 + \frac{4}{100} \times 100 = rs140[/tex]

[tex]discount \: = 25\%of \: 140 = \frac{25}{100} \times 140 = \frac{140}{4} [/tex]

[tex]rs \: 35[/tex]

Selling price = marked price – discount = 140 – 35 = Rs. 105

Profit percentage

[tex] = \frac{profit \: }{cp} \times 100 = \frac{105 - 100}{100} \times 100 = 5\%[/tex]

3) ans

l have solved all but not last one because l cant able to understand it

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Answer:

1. 16.66 2. 5%. 3. Rs.581.4

Step-by-step explanation:

[1]. List price = 5400

Sale price = 4500

Discount percentage :-

= (List price - sale price) ×100

List price

= (5400 - 4500) ×100

5400

= 900 ×100

5400

= 0.16 ×100

= 16.66%

Thus, the discount percentage offered during the sale is 16.66%.

[2]. Let the cost price is 100.

Gain percentage = Gain ×100

CP.

SALE PRICE = ( cost price + 40% ) - 25%

= ( 100 + 40% ) - 25%

= ( 140 - 25% )

= 105

GAIN = SALE PRICE - COST PRICE

Gain percentage,

= 105-100. ×100

100

= 5%.

Thus, the gain percentage is 5%.

[3]. sale price after 1st discount

= 800 - 5%

= 760

sale price after 2nd discount

= 760 - 10%

= 684

Final sale price after 3rd discount

= 684 - 15%

= 581.4

Sale price after all discount is Rs. 581.4.