Math riddles with answers: Feeling bored? Here are some math riddles to cheer you up!

Sometimes. life gets boring, and in those times, we need some stimulation to make it interesting. That is when we bring to you math riddles that are challenging, yet extremely fun.
Here you go!
Math riddles with answers:
Math Riddle 1:
Sam is an expert at calculations. He is never wrong with mathematics. He added six to eleven, and the answer he gets is five. Is he correct with his calculations this time?
Math riddle 2:
If seven people meet each other and each shakes hands only once with each of the others, how many handshakes will there have been?
Math riddle 3:
At the time of shipping, Tom can place 10 small boxes or 8 large boxes into a carton. A total of 96 boxes were sent in one shipment. The number of small boxes was less than large boxes. What is the total number of cartons he shipped?
Here are the answers you may be seeking!
ANSWERS
Math Riddle 1:
Sam is an expert at calculations. He is never wrong with mathematics. He added six to eleven, and the answer he gets is five. Is he correct with his calculations this time?
Answer 1:
Yes, Sam is correct because he added six to eleven on the clock, and gets 5 as the resultant time.
Math riddle 2:
If seven people meet each other and each shakes hands only once with each of the others, how many handshakes will there have been?
Answer to Riddle 2: Twenty-one
Math riddle 3:
At the time of shipping, Tom can place 10 small boxes or 8 large boxes into a carton. A total of 96 boxes were sent in one shipment. The number of small boxes was less than large boxes. What is the total number of cartons he shipped?
Answer to Riddle 3: 11 cartons