The value of 6((1)/(5)) - [4((1)/(2)) - ...

The value of `6((1)/(5)) - [4((1)/(2)) - {""((1)/(6)) - (""((3)/(5)) + ""((3)/(10)) - ""((7)/(15)))}]` is

A

2.1

B

2.8

C

2.5

D

None of these

Verified by Experts

The correct Answer is:

A

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The value of 3(1)/(5) - [2(1)/(2) - ((5)/(6) - ((2)/(5) + (3)/(10) - (4)/(15))] is :

The value of 15(7)/(10)+3(1)/(5) of [5(1)/(8)-(2(1)/(4)+(5)/(3)xx(15)/(14)div(10)/(9) of (3)/(14))] is :

4(1)/(10)-[2(1)/(2)-{(5)/(6)-((2)/(5)+(3)/(10)-(4)/(15))

4(1)/(10)-[2(1)/(2)-{(5)/(6)-((2)/(5)+(3)/(10)-(4)/(15))}]

The value of [(1)/(3)]^(-1)-((1)/(4))^(-7)}+[((1)/(4))^(-1)-((1)/(5))^(-1)]+[((1)/(5))^(-1)-((1)/(6))^(-1)]^(2)] is

(5)/(6) -: (6)/(7) xx ? - (8)/(9) -: 1 (2)/(5) -: (3)/(4) xx 3 (1)/(3) = 2(7)/(9)

2(1)/(7) + 3(6)/(7) + 5(1)/(6) = ?

1+((1)/(2)+(1)/(3))/((1)/(3)-(1)/(6))/2-((4)/(5)of(5)/(6))/((2)/(3))