Number System
The difference between 78% of a number and 59% of the same number is 323. What is 62% of that number ?

Rs. 986
Rs. 1054
Rs. 945
Rs. 926

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Number System
In a five-litre mixture of milk and water the portion of water is 30%. How much milk should be added to the mixture so that the portion of water reduces to 5% ?

17 litre
21 litre
25 litre
29 litre

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Number System
The sum of the ages of a son and father is 65 years. After 5 years the age of father will be double of the age of son. What is the age of son ?

20 years
18 years
19 years
17 years

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