Logic Development Problems. Puzzle #1. After-Dinner Drink Alok, Bharat, and Chandra often eat dinner out. Each orders either coffee or tea after dinner. If Alok orders coffee, then Bharat orders the drink that Chandra orders.
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Can you divide the number 45 into four parts such that when 2 is added to the first part, 2 is subtracted from the second part, 2 is multiplied by the third part and the fourth part is divided by 2. All the four results should be the same number.
There was a man who had six sons. The man possessed a huge amount of gold, which he hid carefully in a building consisting of a number of rooms. In each room there were a number of lockers; this number of lockers was equal to the number of rooms in the building. Each locker contained a number of golden coins that equaled the number of lockers per room. When the man died, one locker was given to the old loyal servant. The remainder of the gold coins has to
Divided fairly equal among all six sons. How can you say that such an even distribution is possible in this case or will there be an uneven distribution
Let the number of rooms be N. This means that per room there are N lockers with N coins each. In total there are N×N×N = N3 coins. One locker with N coins goes to the servant. For the six brothers, N3 - N coins remain.
This can be written as : N(N2 - l), or N(N - 1)(N + l). This last expression is divisible by 6 in all cases, since a number is divisible by 6 when it is both divisible by 3 and even. This is indeed the case here: whatever N may be, the expression N(N - 1)(N + l) always contains three successive numbers.
A person wanted to withdraw X rupees and Y paise from the bank. But cashier made a mistake and gave him Y rupees and X paise. Neither the person nor the cashier noticed that. After spending 20 paise, the person counts the money. And to his surprise, he has double the amount he wanted to withdraw.Find X and Y. (1 Rupee = 100 Paise).
Let the original check be for A Rupees and B paise or (100A + B) paise.John actually received B Rupees and A paise or (100B + A) paiseAfter spending 20 paise, he has double the amount he wanted to withdraw.
Now, we got one equation; but there are 2 variables. We have to apply little bit of logic over here. We know that if we interchange X & Y, amount gets double. So Y should be twice of X or one more than twice of X i.e. Y = 2X or Y = 2X+1