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  1. Thread: ETS question

    by rina777
    Replies
    4
    Views
    8,122

    A.P(both will decode the message)=0.70 * 0.80 =...

    A.P(both will decode the message)=0.70 * 0.80 = 0.56
    B.P(at least one of them will decode the message)= 1- P(none of them will decode the message)= 1-(1-.70)(1-.80)=0.94
    C.P(neither of them will...
  2. Replies
    6
    Views
    993

    Here we have to use combination formula because...

    Here we have to use combination formula because here order is not considerable.
  3. 2. the answer is c

    2. the answer is c
  4. Thread: Jewelry Dealer

    by rina777
    Replies
    5
    Views
    938

    Let the asking price is x, after reducing the...

    Let the asking price is x, after reducing the asking price 10% it becomes .9x.
    here, .9x=1953
    so x=2170, which would make 40% profit.
    so cost price is (100*2170)/140=1550 , which makes...
  5. Replies
    12
    Views
    1,923

    @ premprakash, for #2 didn't you miss the...

    @ premprakash, for #2 didn't you miss the negative integer -1 to -12 and 0 is also an integer. so the total is 25.
  6. Replies
    7
    Views
    1,966

    For Question#1 I got 3 too.

    For Question#1 I got 3 too.
  7. Replies
    12
    Views
    1,923

    Hi tractable, I don't know what to say. I think...

    Hi tractable,
    I don't know what to say. I think if you could manage a good night sleep before test night, surely you could manage your expected score. wish you all the best.
  8. Is 0 is a positive integer? I think it is neutral...

    Is 0 is a positive integer? I think it is neutral ie neither positive nor negative.....
  9. Replies
    12
    Views
    1,923

    wish you very good luck tractable!!!!!!:tup:

    wish you very good luck tractable!!!!!!:tup:
  10. (2^30-2^29)/2 = 2^28(4-2)/2 = 2^28 so A=B and the...

    (2^30-2^29)/2 = 2^28(4-2)/2 = 2^28 so A=B and the answer is C
  11. Replies
    6
    Views
    2,241

    3. the answer is D 31%.

    3. the answer is D 31%.
  12. Replies
    6
    Views
    2,241

    2.the answer is 3/4

    2.the answer is 3/4
  13. Replies
    6
    Views
    2,241

    1.100y

    1.100y
  14. Replies
    11
    Views
    3,947

    2. Least Common factor of 225 and 216 is...

    2. Least Common factor of 225 and 216 is 2^3*3^3*5^2
    so the least possible value of a+b+c would be 3+3+2=8
  15. Thread: gre math

    by rina777
    Replies
    6
    Views
    962

    2. the answer is D

    2. the answer is D
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