3i Infotech Papers: Sample Questions 54 - 56 of 1245

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Question number: 54

» Aptitude

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An equilateral triangle of sides 3 inch each is given. How many equilateral triangles of side 1 inch can be formed from it?


An equilateral triangle has side of 3 inches.

Area of equilateral triangle =


From this triangle we are making x number of equilateral triangles of side 1 inch.

We are asked to find how many small triangles can be from the bigger one.

Area of both will remain same.


x = 9

So, we can make 9 equilateral triangles of 1 inch side from 3 inch equilateral triangle.

Question number: 55

» Aptitude

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Daal is now being sold at Rs. 20 a kg. During last month its rate was Rs. 16 per kg. By how much percent should a family reduce its consumption so as to keep the expenditure fixed?


We know that, rate

Family should reduce their consumption by,

So, family should reduce their consumption by 20%.

Question number: 56

» Languages » C & C Plus Plus

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What is the binary equivalent of 52?


For binary representation, only 0 and 1 two digits are used.

Here, for 8 bit representation, , , , , , , ,

So, to represent 52 we need

Placing 1 in these positions and 0 in rest of the positions, we will get 00110100.

So, binary equivalent of 52 will be 110100.