" 11."3+1(4)/(15)+1(3)/(20)

Find the sum 3 + 1 (4)/(15) + 1 (3)/(20)

Find: 3+1(4)/(15)+3/(20)

Find the sum -4(1)/(15)+ 3(2)/(20)

Evaluate : (i) (3)/(4)+(5)/(6)+(-1)/(4)+(-7)/(6) (ii) (9)/(-10)+(4)/(15)+(-3)/(20)+(-3)/(10)+(8)/(15)+(9)/(-20)

Simplify: 1/(1+(2/3)/(1+2/3+(8/9)/(1-2/3))) . (11)/(13) (b) (13)/(15) (c) (13)/(11) (d) (15)/(13)

If a triangle A B C ,A-=(1,10), circumcenter -=(-1/3,2/3), and orthocentre -=((11)/4,4/3) , then the coordinates of the midpoint of the side opposite to A are (1,-(11)/3) (b) (1,5) (1,-3) (d) (1,6)

If a triangle A B C ,A-=(1,10), circumcenter -=(-1/3,2/3), and orthocentre -=((11)/3,4/3) , then the coordinates of the midpoint of the side opposite to A are (1,-(11)/3) (b) (1,5) (1,-3) (d) (1,6)

20(1)/(2) +30 (1)/(3) - 15(1)/(6) = ?