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Questions(204)
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    At the start of a seminar, the ratio of the no. of male participants to the no . of female participants was 3:1. During the tea break, 16 participants left and 6 more female participants registered. The ratio of the male to female participants became 2:1. What was the total number of participants at the start of the seminar
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    If the volume of a sphere is increasing at a constant rate, then the rate at which its radius is increasing, is

    (A) a constant
    (B) proportional to the radius
    (C) inversely proportional to the radius
    (D) inversely proportional to the surface area
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    When $m+n$ is divided by $12,$ it leaves the remainder $8$ and when $m-n$ is divided by $12$ it leaves the remainder $6.$ What is the remainder when m×n is divided by $6\ ?$
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    if $ab+a+b=250,~~$ $ac+a+c=300,~~$ $bc+b+c=216,~~$ find the value of $a+b+c$
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