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Updated on September 1, 2023

DATA MINING TUTORIAL

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NUMBER SYSTEM

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JAVASCRIPT INTERVIEW QUESTIONS

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1). Rs. 26 per kg
2). Rs. 29 per kg
3). Rs. 34 per kg
4). Rs. 36 per kg


1). 19 litres
2). 23 litres
3). 22 litres
4). 26 litres

In one vessel there is the mixture of milk and water in the ratio 5 : 2 and in another the ratio of milk and water is 4 : 3. The quantity of mixture in the other vessel is double the quantity of the mixture in the first vessel. If both the mixtures are poured in a single vessel, what will be the ratio of milk and water in the new mixture?
1). 2 : 1
2). 11 : 5
3). 3 : 2
4). 13 : 8


1). 5 : 7
2). 4 : 9
3). 1 : 1
4). 4 : 7


1). 27 ∶ 17
2). 19 ∶ 5
3). 37 ∶ 21
4). 13 ∶ 2

In a particular type of alloy the ratio of iron to carbon is 2 : 3. The amount of iron that should be added to 15 kg of this material to make the ratio of the contents1 : 1 is 
1). 2 kg
2). 3 kg
3). 6 kg
4). 9 kg

In a mixture of 45 litres, the ratio of liquid A and liquid B is 7 ∶ 2. If 11 litres of liquid B is added to the mixture, then what will be the ratio of liquid A and liquid B in the new mixture?
1). 7 ∶ 4
2). 8 ∶ 5
3). 6 ∶ 5
4). 5 ∶ 3

Nitesh wants to make a wine solution of 50% concentration by mixing 5L of wine solution with 2L of another wine solution of 70% concentration but by mistake he used 2L of water in place of 2L wine solution of 70% concentration. Now how much wine solution of 60% concentration be mixed with the solution formed by mistake to get wine solution of 50% concentration.
1). 12L
2). 14L
3). 16L
4). 18L

Rahul adds 2 litres of alcohol in 6 litres of water and Dinesh adds 1 litre of alcohol in 9 litres of water. What is the ratio of the percentage of alcohol in the two mixtures?
1). 7 ∶ 4
2). 2 ∶ 1
3). 5 ∶ 2
4). 8 ∶ 3


1). 10 litres
2). 20 litres
3). 30 litres
4). 40 litres

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