1.

`(1/1.4+1/4.7+1/7.10+1/10.13+1/13.16)` के बराबर है।A. `1/3`B. `5/16`C. `6/8`D. `41/7280`

Answer» Correct Answer - B
`[1/1.4+1/4.7+1/7.10+1/10.13+1/13.16]`
Formula:
`1/("Difference of denominator value")[1/("first value")-1/("Last value")]`
`implies1/3[1-1/4+1/4-1/7+1/7-1/10+1/10-1/13+1/13-1/16]`
`implies1/3[1-1/16]implies1/3xx15/16=5/16`


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