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If the immediate insignificant digit to ...

If the immediate insignificant digit to be dropped is 5 then there will be two different cases
(A If the preceding digit is even , it is to be unchanged and 5 is dropped.
(B) If the preceding digit is odd, it is to be raised by 1,

A

Only A is correct

B

A, B are correct

C

Only B is correct

D

A, B are wrong

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The correct Answer is:
B
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AAKASH SERIES-UNITS AND MEASUREMENT-EXERCISE - I
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  3. If the immediate insignificant digit to be dropped is 5 then there wil...

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  4. (A) In multiplication or division, the final result should retain only...

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  5. The correct order in which the dimensions of 'Length" increases in the...

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  6. Dimensional formulae are used A) to convert one system of units into...

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  7. (A) The correctness of an equation is verified using the principle of ...

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  8. Which of the following is not a unit of time A) par - sec " " B)...

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  9. For a body in a uniformly accelerated motion, the distance of the body...

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  10. Three of the quantities defined below has the same dimensional formula...

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  11. If e, E0, h and C respectively represents electronic change, permittiv...

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  12. Photon is quantum of radiation with energy E= hv where v is frequency ...

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  13. If Plank's constant (h) and speed of light in vacuum (c) are taken as ...

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  14. Name of units of some physical quantities are given in List - 1 and th...

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  15. Match the following : {:("List - 1","List - 2"),((a) "second" ,(e) "...

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  16. Name of units of some physical quantities are given in List - 1 and th...

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  17. Match the list - I with list - II {:("List - I","List - II"),((A) "B...

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  18. Dimensional formula for thermal conductivity.

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  19. Force is given by the expression F = A cos (Bx) + C cos (Dt), where x ...

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  20. In the following 'I' refers to current and other sumbols have their us...

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