Permutation Puzzle
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You are given with six numbers – 1, 2, 3, 4, 5 and 6. You can arrange them in any order and you can use all four mathematics expressions i.e. add, subtract, multiply and divide and also parenthesis. The result must be 278.
There are three other rules
1) You can only use a number once.
2) It is not compulsory to use all the six numbers.
3) You can’t join numbers i.e. you can’t use 1, 2 and 3 as 123.Submit Solution- 19.4K views
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Suppose you drive to a picnic spot at 20 mph, then how fast you must go while returning home on the same route such that your average speed becomes 40 mph?
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By using the numbers 8,5 1 and 1 exactly once and with the help of basic operations (+, -, /, *), Can you form an expression with a value of 10?
Note: Parentheses are allowed
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In a pizza parlour, you have to pay a certain amount to add extra toppings. Now the price for toppings is given in a pair below. Can you find out what each topping costs?
Corn & Jalapeno $7
Mushrooms & Extra Cheese $6
Paprika & Tomatoes $2
Onion & Jalapeno $5
Green chilly & Paprika $4
Tomatoes & Onion $3
Extra Cheese & Paprika $5Please note that the toppings are priced w.r.t. whole dollar increments (no fraction prices).
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Lavesh can paint a house in just 3 hours. However, it takes 6 hours for Vishesh to complete the same job.
How long would it take for both to complete the same job?Submit Solution- 46.5K views
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Pooja gave Neha as many euros as Neha started with.
Neha then gave Pooja back as much as Pooja had left.
Pooja then gave Neha as back as many euros as Neha had left, which left Pooja broke and gave Neha a total of 80 pounds. How much did Pooja and Neha have at the beginning of their exchange?View SolutionSubmit Solution- 51.0K views
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John and Jacob are planning on a vacation. John says, “It will be better if we take the train to the hotel. We will reach faster.”
To this, Jacob says, “No. You are wrong. The train stops halfway to the hotel and then we will have to walk the rest of the way. We should take the bikes to the hotel directly.”
John says, “You are wrong.”Now, John takes the train while Jacob takes the bike. The train travels at four times the speed of the bike. The bike travels at twice the speed of walking.
Who do you think will reach the hotel first?
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Cristina learnt how to ride a horse recently. Just to test her skills, she rode the horse from her home to a mine which she covered in three minutes and returned home from the same path only this time she took four minutes. The reason was that while riding away from home, she was supported by the wind however while riding back, she was riding against the wind.
How fast do you think she could have ridden a mile if there was no wind?
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You are playing a probability game with your friend using a fair coin. Both of you decide on a particular sequence that you have to achieve.
Let us suppose you chose the sequence to be: H T H
Your friend chose the sequence to be: H T TNow you keep tossing coins until you get the sequence and the same is done by your friend. You keep doing that till you achieve your predefined sequence and keep writing the result on paper. At the end of the game the player whose average number of tosses will be lowest, he will win.
The results of the game 1 toss:
You: H T T H T H
Your score: 6
Your friend: H T H H H T H H T T
Your friends’ score: 10The results of the game 2 toss:
You: T T H T T H H T H
Your score: 9
Your friend: T T H H T H T T
Your friends’ score: 8The results of the game 3 toss:
You: T T H H T H
Your score: 6
Your friend: H H T H T T
Your friends’ score: 6Now after 3 games, your average score is 7 and your friend’s average score is 8. Now assume that you keep playing the game and play many times. What will be the possible outcome of the following?
a) You win
b) Your friend win
c) TieSubmit Solution- 57.4K views
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