Question

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1.Solve : (x + 3)/6 + 1 = (6x – 1)/3

2. The digits of a 2-digit number differ by 5. If the digits are interchanged and the

resulting number is added to the original number, we get 99. Find the original

number.

3. Solve : 5x – 3 = 3x + 7

4. A contractor estimates that 5 persons complete a task in 4 days. If he uses 4

persons instead of 5, how long should they take to complete the task?

5. A school has 9 periods a day each of 50 minutes duration. How many periodwill there be, if the duration of every period is reduced by 5 minutes?

6. A machine can fill 40 bottles of mineral water in 3 hours. How many bottles

can be filled in 5 hours?

7. The lateral surface area of a hollow cylinder is 4224 cm2

. It is cut along its height

and formed a rectangular sheet of width 33 cm. find the perimeter of rectangular

sheet.
8.What is Euler‟s formula ?​

Answer 1

its too big dear but i will solve okk

1)

2)The digits of a two digit number differ by 5. If the digits are interchanged and the resulting number is added to the original number, then we get 99.

Answer 2

Answer:

ok sis

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