If $$ x=\sqrt{(1.96)}-\sqrt{(0.04)}$$ then the value of x is

The value of $${4- \sqrt{0.04} \over 4+\sqrt{0.4} } $$  is closed to

The square root of a positive number less than 100 lies between

What is the value of x $$ {0.081\over x}={0.09\over10}$$ ?

2x + 4y – 8xy -1 =?

If 551 ÷ 29 = 19 then 5.51 ÷ 0.0019 = ?

5-[4-{3-(3-3-6)}] is equal to:

If a² + a + 1 = 0 then the value of a⁹ is.