80 /? =? / 20

More Questions from Number System

• Which number should replace both the asterisks in (* /21) x (*/189) = 1?
• What least number must be subtracted from 13601 to get a number exactly divisible by 87?
• 392/√ ? = 28
• The sum of first four prime numbers is?
• The first prime number is?
• 10 / 11 =110 /?
• The largest natural number by which the product of three consecutive even naturals is always divisible, is?
• In a division sum, the divisor is 12 times the quotient and 5 times the remainder . If the remainder be 48 then the dividend is?
• If a number is multiplied by three-forth of itself. The value thus obtained is 10800. What is that number?
• The product of two consecutive odd numbers is 19043. Which is the smaller one?

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