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Comparing Quantities Test - 10

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Comparing Quantities Test - 10
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Weekly Quiz Competition
  • Question 1
    1 / -0

    The preset population of a town is 12500 and it is increasing at the rate of 8% per annum. What will be the population of the town after 2 years?

    Solution

    POP. (after 2 yrs) = 12500(1 + 8/100)2 = 14580.

  • Question 2
    1 / -0

    For calculation of interest compounded half yearly, keeping the principal same, which of the following is the method to calculate final amount.

    Solution

    Remember this, this was applied in Q15 & Q16 as well.

  • Question 3
    1 / -0

    40% of [100-20% of 300] is equal to

    Solution

    40% OF [100 - 20% of 300] =40% of [100-60] = 40% of 40=16/-

  • Question 4
    1 / -0

    Fresh fruit contains 68% water and dry fruit contains 20% water. How much dry fruit can be obtained from 100 Kg of fresh fruits?

    Solution

    Let 1 kg of fresh fruit have 0.68 kg water & 0.32 kg solid fruits From 100kg, we get 32kg solid fruits+ 68 kg water In 1 kg dry fruits, we have 0.8 kg solid fruit & 0.2 kg water. Let 'x' kg, dry fruit be obtained = 0.8x = 32 = x = 40 kg (answer). 

  • Question 5
    1 / -0

    The ratio 5 : 4 expressed as a percent equals:

    Solution

    5/4 = 5/4 × 100

  • Question 6
    1 / -0

    A's salary is 40% of B's salary which is 25% of C's salary. What percentage of C?s salary is A's salary?

    Solution

    (a): Let C's salary be x
    ⇒ B's salary = 0.25x
    ⇒ A's salary = 0.4 × 0.25x = 0.1x
    ∴ A' salary as% c's salary =0.1/x × 100

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