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Logical Reasoning :: Mathematical and Computer Operations

  1. A sum of Rs.1890 has to be used to give 9 prizes to the customers of a super market for their overall academic purchases. If each prize is Rs.30 less than its preceding price, what is the least value of the price ?
  2. A.
    90
    B.
    95
    C.
    80
    D.
    85

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  3. In a group of buffaloes and ducks the number of legs are 24 more than twice the number of heads. What is the number of buffaloes in the group?
  4. A.
    6
    B.
    18
    C.
    12
    D.
    24

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  5. The solution of 3(2u + v) = 7 uv and 3(u + 3v) = 11 uv is _____
  6. A.
    u = 1, v = 0
    B.
    u = 1, v = 3/2
    C.
    u = 0, v = 3/4
    D.
    u = 0, v = 1

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  7. If × means ÷, - means ×, ÷ means + and + means- than (3 - 15 ÷ 19) × 8 + 6 = ?
  8. A.
    8
    B.
    4
    C.
    2
    D.
    -1

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