Self Studies

Quantitative Ab...

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  • Question 1
    4 / -1

    If x lies between (-7) and 13, then find the greatest value of (13 - x)7 (x + 7)3

  • Question 2
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    From four positive real numbers a, b, c and d, 4 distinct combinations of three numbers are chosen such that their sums are S1, S2, S3 and S4. If a × b × c × d = 5, then find the minimum value of the product of S1 × S2 × S3 × S4.

  • Question 3
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    How many digits cannot be the unit’s digit of the product of three 3-digit numbers whose sum is 989?

  • Question 4
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    The third proportional of 27 and 36 is:

  • Question 5
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    Find the sum of the digits at the ten's and unit’s place of 8081111 + 8061111

  • Question 6
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    If | |x - 2| - 1| < 6 and | |y - 1| - 2| < 9, where x and y are integers, then which of the following is not a possible value of (x - 2y)?

  • Question 7
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    Which of the following options is correct about improper fraction?

  • Question 8
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    Directions For Questions

    153 persons bought three different kinds of cellular phones namely Nokia, Sony Ericsson and Motorola. The number of people who bought both Nokia and Sony Ericsson is 30. The number of people who bought both Nokia and Motorola and the number of people who bought both Sony Ericsson and Motorola is 20 and 25 respectively. The ratio of the difference between the people who bought only Nokia and only Sony Ericsson to the difference between the number of people who bought only Nokia and only Motorola is 2:3. For every one person who bought only Sony Ericsson, there are two persons who bought only Nokia. Among the persons who bought only one kind of mobile phone, the number of persons buying Nokia was the highest.

    ...view full instructions

    Find the maximum possible number of persons who bought Nokia.

  • Question 9
    4 / -1

    In a circle, O is the centre and ∠ COD is right angle. AC = BD and CD is the tangent at P. Which of the following are true, if the radius of the circle is 1m?

  • Question 10
    4 / -1

    Tangents PA and PB are drawn from an external point P to two concentric circles with centre O and radii 8 cm and 5 cm respectively, as shown in the figure. If AP = 15 cm then find the length of BP.

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