The difference between a number and its three fifth is 50. What is the number?
3640 ÷ 14 × 16 +340 = ?
The greatest number which can divide 1356, 1868 and 2764, leaving the same remainder 12 in each case, is:
7 is added to a certain number, the sum is multiplied by 5; the product is divided by 9 and 3 is subtracted from the quotient. The remainder deft is 12. The number is: