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(1/(1xx4)+1/(4xx7)+1/(7xx10)+1/(10xx13)+...

`(1/(1xx4)+1/(4xx7)+1/(7xx10)+1/(10xx13)+1/(13xx16))=?`

A

`(1)/(3)`

B

`(5)/(16)`

C

`(3)/(8)`

D

`(41)/(7280)`

Text Solution

Verified by Experts

The correct Answer is:
B
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S CHAND IIT JEE FOUNDATION-FRACTIONS AND DECIMALS-QUESTIONS BANK
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  5. The value of 1-(1)/(20)+(1)/(20^(2))-(1)/(20^(3))+....... till 5th ter...

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  6. (1/(1xx4)+1/(4xx7)+1/(7xx10)+1/(10xx13)+1/(13xx16))=?

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  7. If a/b=1/3,\ b/c=2,\ c/d=1/2,\ d/e=3 and e/f=1/4 , then what is the...

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  8. Evaluate : 515.15-15.51-1.51-5.11-1.11

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  9. Simplify : 12.28xx1.5-36+24

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  10. Which of the following is equal to 1? ((0. 11)^2)/((1. 1)^2xx0. 1) ...

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  11. When the number N=0.735bar45 is written as a fraction in its lowest te...

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  12. What is the value of (7.5xx7.5+37.5+2.5xx2.5)?

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  13. Evalaute 0.bar14+ 0. bar19

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  14. If 1^(3) + 2^(3)+……. +9^(3)=2025, then the approximate value of (0.11)...

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  15. (5.42xx6+5.42xx24)/(32.71xx32.71-27.29xx27.29)+(6.54xx6.54-3.46xx3.46)...

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  17. The value of ((0. 1xx0. 1xx0. 1+0. 02xx0. 02xx0. 02)/(0. 2xx0. 2xx0...

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  18. sqrt((0.798)^(2)+0.404xx0.798+(0.202)^(2))+1 is equal to

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  19. Which of the followinig numbers is the least ? (0.5)^(2), sqrt(0.49)...

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  20. The value of (489. 1375xx0. 0483xx1. 956)/(0. 0873xx92. 581xx99. 74...

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