Find the value of $$ (2 {1\over6}+1 {13\over18}-{1\over6}) × {16÷4}$$

  $$25\% \ of (50\% \ of \ 30\% \ of \ 150)\over 40\% of \ 2250$$ is equal to:

When x = 1, then value of |2x – 1| + |x – 3| will be -

24% of 680 + 16 % of 525 – 22% of 450 =?

If $${b\over a}=0.7$$ find the value of $${a-b\over a+b}={11\over34}.$$

Find the conjugate of (1 + i) ³ 

If $${32÷16-5×2\over 11÷22×8-5×2}={1\over p}$$then what is the value of P?

115% of 4880 – 85% of 1640 = ?