I am a four digits number. i am an even number with four digits. my first and last digit are identical. my second and third digits are also identical. my first digit is a prime. my second digit is the square root of the first digit. who am i

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

What is the range for 31,39,29,34,37,24,36,33,34,28

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?