Question of the week 06-May-2019

-

Given below a circle and two chords intersect as shown below. The radius of the circle is

a) √55      b) √65       c) √75         d) √85.

Previous question here. It is solvable in less than 45 seconds provided you know the trick that i will be discussing in the book. Your answer only with a logical explanation is welcomed in the comments section.

Hint 1: here
Hint 2 : 4R² = a² + b² + c² + d² 

Comments

  1. UnknownMay 9, 2019 at 11:11 PM

    b is the answer

    ReplyDelete
  2. PrashantJune 2, 2019 at 12:11 PM

    Respected sir is it possible that CBI report zero vacancy through ssc cgl???
    Please do reply sir.

    ReplyDelete
    Replies
    1. UnknownMarch 23, 2020 at 11:36 PM

      Respected sir, I am cbi aspirant . How many post in cbi

      Delete
  3. HarshitJune 8, 2019 at 9:26 AM

    Root65
    Option B
    in less than 30 seconds without pen-paper

    ReplyDelete
  4. DEEPAKJune 28, 2019 at 12:49 PM

    Salute dear sir B is the right answer,

    ReplyDelete
  5. UnknownJuly 12, 2019 at 7:34 AM

    B is answer sir

    ReplyDelete
  6. UnknownJuly 26, 2019 at 3:23 PM

    b is the right answer

    ReplyDelete
  7. UnknownAugust 12, 2019 at 1:36 PM

    C is right answer

    ReplyDelete
  8. UnknownNovember 23, 2019 at 9:09 PM

    B dude..it doest need 45 secs ..its too easy

    ReplyDelete
  9. UnknownNovember 29, 2019 at 5:32 PM

    B

    ReplyDelete
  10. venu gopalDecember 3, 2019 at 3:38 PM

    Respected Sir, i am venu, male, My Height is 164 cm And I belongs to ST (Scheduled Tribe)- yerukulas in ANDHRA PREDESH. Can i eligible for SI post in CBI ? Please mail me kumbha.venugopal@gmail.com

    ReplyDelete
  11. UnknownDecember 15, 2019 at 4:08 PM

    Sir , do CBI employees participate in sports activity??
    Do they have cricket or football team ??

    ReplyDelete
  12. luckyMarch 12, 2020 at 11:48 PM

    sir please tell how ldc become si in cbi.

    ReplyDelete

Post a Comment