Logic Riddles

#101 - Puzzle Boat

At the local model boat club, four friends were talking about their boats.

There were a total of eight boats, two in each colour, red, green, blue and yellow. Each friend owned two boats. No friend had two boats of the same colour.

Alan didn't have a yellow boat. Brian didn't have a red boat, but did have a green one. One of the friends had a yellow boat and a blue boat and another friend had a green boat and a blue boat. Charles had a yellow boat. Darren had a blue boat, but didn't have a green one.

Can you work out which friend had which coloured boats?

#102 - Building Puzzle

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

#103 - Unsolvable Riddle

In a contest, four fruits (an apple, a banana, an orange, and a pear) have been placed in four closed boxes (one fruit per box). People may guess which fruit is in which box. 123 people participate in the contest. When the boxes are opened, it turns out that 43 people have guessed none of the fruits correctly, 39 people have guessed one fruit correctly, and 31 people have guessed two fruits correctly.
How many people have guessed three fruits correctly, and how many people have guessed four fruits correctly

#104 - Cipher Age Puzzle

If Susan is 10, Arabella is 20, and Jim and Neal are both 5, but Richard is 10, how much is Jennifer by the same system?

#105 - Mismatch Sum Puzzle

A bank customer had £100 in his account. He then made 6 withdrawals, totaling £. He kept a record of these withdrawals, and the balance remaining in the account, as follows:

Withdrawals Balance left
£50 £50
£25 £25
£10 £15
£8 £7
£5 £2
£2 £0
£100 £99


Why are the Totals not exactly right ?

#106 - Number Series Question

Identify the next two numbers in this series?

101, 112, 131, 415, 161, 718, ???, ???

#107 - Money puzzle

I saw a Jeans for Rs97. I dont have enough money , so i borrowed Rs50 from my mom and 50 from my dad = Rs100.
I bought the jeans, and had Rs3 change. I gave dad Rs1 and my mom Rs1 and kept the other Rs1 for myself. Now I owe my mum Rs49 and my dad Rs49. 49+49 = 98 + my Rs1 = 99. Where is the missing Rs1?

#108 - Math Logic Puzzle

In a guess game , five friends had to guess the exact numbers of apples in a covered basket.
Friends guessed as 22 , 24, 29 , 33 , 38, but none of guess was right.The guesses were off by 1, 8, 6, 3, and 8 (in a random order).

From this information, can you determine the number of apples in a basket ?

#109 - Logical Thinking Puzzle

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

#110 - Mathematical Logic Puzzle

using four eights (8) and a one (1) and one mathematical symbol , create the number 100