Which one of the following is the total area of the table above?
(a)x^2 5 x 30 (b) x^2 x 30
(c)x^2 6 x 30 (d) x^2 x 30- A can do a work in x days, B can do that work in 3x days. In the same time,
how many times does A of B work?
(a) 2 times (b)
21
2 times(c) 3 times (d) 4 times- If ab c, a^2 2 abb^2 is expressed in terms of c, which one of the
following will be?
(a)c^2 (b) c^2 (c) bc (d) ca - If xy 3 ,xy 2 , what is the value of x^3 y^3?
(a) 9 (b) 18
(c) 19 (d) 27- Which one is the factorized form of 8 x^3 27 y^3?
(a)( 2 x 3 y)( 4 x^2 6 xy 9 y^2 ) (b) ( 2 x 3 y)( 4 x^2 6 xy 9 y^2 )
(c)( 2 x 3 y)( 4 x^2 9 y^2 ) (d) ( 2 x 3 y)( 4 x^2 9 y^2 )- What is to be added to 9 x^2 16 y^2 , so that their sum will be a perfect square?
(a) 6 xy (b) 12 xy
(c) 24 xy (d) 144 xy- If xy 4 , which one of the following statements is correct?
(a)x^3 y^3 4 xy 64 (b) x^3 y^3 12 xy 12
(c)x^3 y^3 3 xy 64 (d) x^3 y^3 12 xy 64- If x^4 x^2 1 0 ,
(1)^22
1
xx = what?(a) 4 (b) 2 (c) 1 (d) 0(2) What is the value of2
1
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xx?(a) 4 (b) 3
(c) 2 (d) 1