UCEED 2016

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Q11.A water tank of dimensions 20 cm x 5 cm x 10 cm has 307 cc water in it. A few bricks, each of dimensions 5 cm x 2 cm x 1 cm are fully submerged in the tank. Each brick absorbs 30% of its own volume of water. Just enough bricks are put in, such that the water level rises to completely fill the tank. How many bricks were put in the tank?

Q13.How many pages of size 21 cm x 25 cm can be made from a roll of 48 m x 1.2 m paper? Assume the pages are perfectly cut edge to edge.

UCEED2016Q12·nat·Medium71 attempts

Count the total number of black diamonds in the given pattern.

Your answer

Keyboards off — use the numpad, just like on exam day.