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Frequently Asked self Numerical Ability - Alligation or Mixture Math Questions and Answer

(#M40020874) SELF QUESTION Keep an EYE

A beaker had 20 L of alcohol-glycerol mixture in the ratio 4 : 1 by volume. In the first round, 4 L of the mixture is removed and replaced with glycerol. In the second round, 5 L of the resultant solution is removed and replaced with glycerol. Finally, 10 L of the resultant mixture is removed and replaced with glycerol. What is the final quantity of glycerol in the mixture

vikash singh (11 years ago)

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(#M40030655) SELF QUESTION Keep an EYE

A vessel is full of a mixture of kerosene ane petrol in which there is 18% kerosene. 8liter are drawn off and then the vessel is filled with petrol. If the kerosene is now 15% ,how much does the vessel hold?
A-40
B-32
C-36
D-48

Kuldeep yadav (11 years ago)

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(#M40025972) SELF QUESTION alligation Keep an EYE

two vessels contain spirit and water mixed respectively in the ratio of 1:3 and 3:5 . find the ratio in which these are to be mixed to get a new mixture in which the ratio of spirit to water is 1:2.

PRIYA NAMDEO (11 years ago)

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(#M40020845) SELF QUESTION Keep an EYE

A circle is drawn on a plane with center as P and diameter AB. Another is drawn inside this circle by taking AP as the diameter and Q as the center. Another circles is drawn inside the second circle by taking AQ as diameter and R as the center. This process is repeated infinitely. The ratio of the sum of the areas of all the circles to the area of the biggest circle is

vikash singh (11 years ago)

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