The fourth proportional to 5, 8, 15 is:

More Questions from Ratio and Proportion

• Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is:
• The salaries A, B, C are in the ratio 2 : 3 : 5. If the increments of 15%, 10% and 20% are allowed respectively in their salaries, then what will be new ratio of their salaries?
• In a mixture 60 litres, the ratio of milk and water 2 : 1. If this ratio is to be 1 : 2, then the quanity of water to be further added is:
• If 0.75 : x :: 5 : 8, then x is equal to:
• Two number are in the ratio 3 : 5. If 9 is subtracted from each, the new numbers are in the ratio 12 : 23. The smaller number is:
• Total number of students in a class is 95. if the total number of girls in the class is 45, then the ratio of total number if boys to total number girls is
• The ratio of money with Ram and Gopal is 7 : 17 and that with Gopal and Krishan is 7: 17. If Ram has Rs. 490, Krishan has?
• The prices of a scooter and a television set are in the ratio 3 : 2. If a scooter costs Rs. 6000 more than the television set, the price of the television set is?
• If 8 : y = y : 18 , then y is equal to?
• A circle and a square have same area. Therefore, the ratio of the side of the square and the radius of the circle is?

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