An incident occurred in your English Lesson The other day . Your teacher had to leave the room on urgent business and while she was gone , a window was accidently broken . As the class representative , You have been asked by the principal to submit a formal written report explaining what happened . Your report should include the following details :
- why the teacher had to leave the room and who had been left in charge
- what happened / who was involved
- Whether anyone was at fault .
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Answer:
Fifteen post cards cost Rs 2.25. How many postcards can we buy in Rs 45?search-icon-image
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Fifteen postcards cost Rs. 2.25. What will be the cost of 36 postcards? How many postcards can we buy in Rs. 45
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Solution
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15 postcards costs =Rs. 2.25
1 postcard will cost =Rs.
15
2.25
=0.15
36 postcards will cost =Rs.0.15×36
=Rs 5.40
And
In Rs. 2.25 we can buy =15 postcards
In Rs. 1 we can buy =
2.25
15
postcards
In Rs. 45 we can buy =
2.25
15
×45 postcards
=300 postcards53 + 47 = 100 : simples? But those itching for their Good Will Hunting moment, the Guinness Book of Records puts Goldbach's Conjecture as the current longest-standing maths problem, which has been around for 257 years. It states that every even number is the sum of two prime numbers: for example, 53 + 47 = 100.
Answer:
1 forurgent
2
your report should include