Question
If 30% of a certain number is equal to 4/5th
of another number, what is the ratio between the numbers?Solution
Let the first number be x and another number be y. Then, => 30% of x = 4y/5 => 3x/10 = 4y/5 => x:y = 8:3
What will come in the place of question mark (?) in the given expression?
? = (17 × 25 – 152 ) + 60% of 2450Â
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