Question

Solve the following.


1) Multiply: 2x (5x+6)


2) Add: 5x2+7x and 6x2+2x


3) Subtract: 5x2+4x from 7x2+3x


4) Solve: (x+y) (x+z) = ------.


5) If x = (1), then the value of 4x2

-5x+2= ------.


6) 15% of what is 120?


7) 20% of 3000 = -------.


8) The ratio 3:4 is expressed in
percent as ------.


9)The ratio of RS. 18 and RS. 30 is ------.


10)Find the simple interest on RS.16,000 for 3 years of 8%.
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Answer 1

1) 2x (5x+6)

= 10x^2+12x