SSC Government Jobs Exams Numerical Ability Alligation or Mixture

A mixture contains 80% acid and rest
water. Part of the mixture that should be
removed and replaced by the same
amount of water to make the ratio of acid
and water 4 : 3 is

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SSC Other Question

Successive discounts of 10%, 20% will be
equivalent to a single discount is An employer reduces the number of his
employees in the ration 9 : 8 and
increases their wages in the ration 14 :
15. If the original wage was Rs, 18,900,
find the ratio in which the wage bill is
decreased.