MATH LOGIC RIDDLES WITH ANSWERS TO SOLVE - PUZZLES & BRAIN TEASERS

Twinkle and Rinki start on opposite sides of the river Did you answer this riddle correctly?
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When the boats meet for the first time, they have sailed a combined distance that is equal to one length of the lake. When they meet the second time, they have sailed 3 lengths. The elapsed time and the distance for each is three times.

When they meet for the second time, the boat M has sailed 500 x 3 = 1500 yards. Now, this is 300 yards longer than the length of the lake, it must be 1200 yards wide.

The ration between the speed of boat M and boat N is equal to the ratio of the distance that they have sailed before they meet the first time. Did you answer this riddle correctly?
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Mr. Jackson was 54 and his wife was 18. Now hes 72 and his wife 36. Did you answer this riddle correctly?
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10 Did you answer this riddle correctly?
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The answer is 3

If you got a different number you did the math wrong Did you answer this riddle correctly?
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This is a logic question and can be answered if one realizes that the TRUTH of a LIE is a LIE, and the LIE of a TRUTH is a LIE. You need one guard to give you the other guards answer. Knowing this one could ask a question like, If I were to ask the other guard which door leads to freedom, what would he say?

If you ask the guard who always tells the truth, he would tell you the other guard would point you to the door of death. If you ask the guard who always lies, he would tell you the opposite door of the truth-telling guard and point you to the door of death. In either case, both guards will point to the door of death so you should choose the other one. Did you answer this riddle correctly?
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Four daughters and three sons. Each daughter has 3 sisters and 3 brothers, and each brother has 2 brothers and 4 sisters.

To figure it out mathematically, you could use the following two equations where G = the number of girls and B = the number of boys:
G 1 = B
2(B 1) = G

Solving for G gives you 4 and plugging that in to G 1 = B gives you a B of 3. Did you answer this riddle correctly?
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I am a Triangle. Did you answer this riddle correctly?
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I am a Pentagon Did you answer this riddle correctly?
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The question is: What would the other angel say, if I asked which gate leads to Heaven?. And do exactly the opposite of what the angel says.

If the left gate leads to Heaven:

The angel that tells the truth will say that it's the right gate since it knows that the other angel will lie.

The angel that lies will also say that it's the right gate since it knows that the other angel will tell the truth.

The same explanation applies if the right gate leads to Heaven. Did you answer this riddle correctly?
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A door! Did you answer this riddle correctly?
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In the back. See, the train is still accelerating as it is leaving the station so the train will be moving faster when the back of the train enters the tunnel. Did you answer this riddle correctly?
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The train is moving at 40 miles per hour. Imagine that a friend is walking with you. When the train whistle blows, you head away from the train, he heads toward it. When he reaches safety, you will be 6/8 (or 3/4)of the way across the bridge, and the train will have just reached the bridge. For the train to cross 4/4 of the bridge in the time you cross the remaining 1/4, the train must be moving four times your speed. Did you answer this riddle correctly?
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100 miles (60+40) Did you answer this riddle correctly?
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If the girls had been on a standing train, the first girl's calculations would have been correct, but their train was moving. It took 5 minutes to meet a second train, but then it took the second train 5 more minutes to reach where the girls met the first train. So the time between trains is 10 minutes, not 5, and only 6 trains per hour arrive in the city. Did you answer this riddle correctly?
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