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What number must be added to the express...

What number must be added to the expression `16 a^(2) - 12 a` to make it a perfect square ?

A

`9//4`

B

`11/2`

C

`13//2`

D

16

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The correct Answer is:
A
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  2. If 3^(4X-2)=729, then find the value of X.

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  5. Simplify: 5root3(250)+7root3(16)-14root3(54)

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  6. The no plate of a bus had peculiarity. The bus number was a perfect sq...

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  7. If ** means adding 6 times the second number to the first number then ...

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  8. If a and b are positive ingegers, such that a^b = 125, " then " (a - b...

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  9. If p xx q = p+q+p/q, then find the value of 8 xx 2.

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  10. If x*y=x^2+y^2-x y , then the value of 9*11 is (a) 93 (b) 103 (c) 1...

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  11. The least number by which we multiply to the 11760, so that can get a ...

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  12. ((0.081xx0.484)/(0.0064xx6.25))^(1/2)=?

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  13. If 5sqrt(5) xx 5^(3) /5^(-3/2) = 5^(a +2) then the value of a is

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  14. If difference between them 4/5 " of " 3/4 of a number and 2/5 " of " 1...

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  15. If sum of two numbers is 42 and their product is 437, then find their ...

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  17. Write the 44000 in Roman numerals

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  18. Write LXXIX in Hindu-Arabic numerals

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  20. A number lies between 300 and 400. If the number is added to the numbe...

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