Elitmus Exam Numerical Ability Ratio and Proportion

Q. There is a cask full of milk. E litres are drawn from the cask, it is the filled with water. This process is repeated. Now the ratio of milk to water in the cask is 16:9. What is the capacity of cask in litres.

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Elitmus Other Question

Q. What is the missing number of the following sequence
3 8 6 14 ? 20
Q. In a square shaped room, the floor is of black and white color tiles. There are a total of 81 black colored tiles along the diagonals are there and the remaining are white. What are the total no. of tiles in the room?

Option
A. 900
B. 1681
C. 1600
D. 2500