Math Riddles

1. A cellphone and a phone case cost $110 in total. The cell phone costs $100 more than the phone case. How much was the cellphone?
4. A small number of cards has been lost from a complete pack. If I deal among four people, three cards remain. If I deal among three people, two remain and if I deal among five people, two cards remain. How many cards are there?
5. If seven people meet each other and each shake hands only once with each of the others, how many handshakes happened?
6. A man is twice as old as his little sister. He is also half as old as his dad. Over a period of 50 years, his sister’s age will become half of their dad’s age. What is the age of the man now?
11. Old Granny Adams left half her money to her granddaughter and half that amount to her grandson. She left a sixth to her brother, and the remainder, $1,000, to the dogs’ home. How much did she leave altogether?
12. A farmer has 19 sheep on his land. One day, a big storm hits, and all but seven run away. How many sheep does the farmer have left?

2. A duck was given $9, a spider was given $36, and a bee was given $27. Based on this information, how much money would be given to a cat?
3. A 300 ft. train is traveling 300 ft. per minute must travel through a 300 ft. long tunnel. How long will it take the train to travel through the tunnel?
5. When Miguel was 6 years old, his little sister, Leila, was half his age. If Miguel is 40 years old today, how old is Leila?
7. Most people love to use me. You make me glide through the air. Even your dog loves me. What am I?
8. In two years I know, I'll be twice as old as five years ago, said Tom. How old is Tom?
9. Tom was asked to paint numbers outside 100 apartments, which means he will have to paint numbers one through 100. How many times will he have to paint the number eight?
10. What is easy to get into and hard to get out of?
11. I am a number with a couple of friends, quarter a dozen, and you'll find me again. What am I?