Grade 6, Test 5, Version 1, Topic: Ratios and Proportions. Percentage ratio of two numbers. Merzl...
Math Test.
Grade 6
Test 5. Merzlyak.
Option 1
1. Find the ratio: 12 m : 6 mm.
2. Replace the ratio of fractional numbers with the ratio of natural numbers 9/16 : 13/24.
3. 20 kg of sunflowers yield 18 kg of seeds. How many sunflowers are needed to obtain 45 kg of seeds?
4. Find the percentage of zinc in the alloy if 400 kg of the alloy contains 56 kg of zinc?
5. Solve the equation (3x - 4)/6 = 7/8
6. The price of a product increased from 140 rubles to 161 rubles. By what percentage did the price increase?
7. The number a is 250% of the number b. What percentage is the number b of the number a?
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