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Welcome to your BANKING TEST SERIES (RATIO PROPORTION 1)
4. The length of three pencils (A, B and C) is in the ratio 2 : 3 : 4. If the lengths of B and C are increased by 4 unit and 8 unit respectively, the lengths of A and C will be in the ratio 2 : 5. Find the original length of pencil B.
5. The ratio of the price of a mobile and a speaker is 5 : 2. The average price of two mobiles and a speaker is Rs. 20000. The total sum of the price of a mobile and a speaker is –
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