Number System
The difference between 8% of a number and 3% of the same number is 39. What is 2.8% of that number ?

25.84
27.84
21.84
24.84

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Number System
In a two-digit number, if it is known that its unit's digit exceeds its ten's digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is:

26
24
46
42

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Number System
A trader sells 40 metres of cloth for Rs 8,200 at a profit of Rs 25 per metre of cloth. How much profit will the trader earn on 40 metres of cloth ?

Rs. 1,200
Rs. 800
Rs. 1,000
Rs. 600

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