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Yogita Ingle 6 years, 1 month ago

Let he full marks be x
student obtained 35% of x
= 35/100x

thus,
24.5 = 35/100x
x = 24.5x100/35
x = 70
Full marks was 70

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Yogita Ingle 6 years, 1 month ago

Let side of the square = a m

If one side of a square is increased by 2 m

and other side is reduced by 2 m , a rectangle

is formed

Dimensions of the rectangle

length = ( a + 2 ) m

Breadth = ( a - 2 ) m

According to the problem given ,

Perimeter of the rectangle = 48 m

2( l + b ) = 48

2 [ a + 2 + a - 2 ] = 48

2 × 2a = 48

4a = 48

a = 48 / 4

a = 12

Therefore side of the original

square = a = 12m

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Poonam Mazid 6 years, 1 month ago

- 8x cube
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Yogita Ingle 6 years, 1 month ago

(a +b)2 = a2 + 2ab + b2

(2+b)2 = (2)2 + 2(2)b+ b2

= 4+ 4b +b2

Sharmila Patil 6 years, 1 month ago

4+2b

Dinesh Kumar 6 years, 1 month ago

Djdjdjd
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Angel Gautam Av 2124 6 years, 1 month ago

No one wants to but we have to. Because mathematics is important !!!!!
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12b
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4-6
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Poonam Mazid 6 years, 1 month ago

- 2

Poonam Mazid 6 years, 1 month ago

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