5 Questions
What is the value of $12345679 \times 72$?
$888888888$
If $35 + 125 = 17.88$, what is the value of $80 + 65$?
$22.35$
A number consists of 3 digits whose sum is 10. The middle digit is equal to the sum of the other two. What is the number if it will be increased by 99 if its digits are reversed?
$253$
If the age of father 10 years ago was thrice the age of his son, and ten years hence, father's age will be twice that of his son, what are their current ages?
Father: 40, Son: 20
If $x^2 - 5x + 6 = 0$, what are the possible values of $x$?
$2$ and $3$
Test your mathematical skills with this quiz that includes multiplication and addition problems. Practice your mental math and improve your calculation speed.
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