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The purpose of the following flow-chart is to double the number in each of the boxes: 13, 10, 7 and 4.
In order to accomplish exactly this -- no more and no less -- what is the smallest number which may be in box 14?
A8
B5
C4
D1
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Answer mentioned are wrong. It should be 2. In the mentioned soluation, its not doubled 4th Box.
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The answer should be option b (5). 5 is the smallest no which is greater than 4
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Explanation:
Assume Box 14 = 4
Instruction 1 : 13[Box 13] 13[Box 13] = 26[13]
Instruction 2 : 13[Box No.] -3 = 10[Box No.]
Instruction 3 : IS 4[Box 14] > 10[Box No.] ? NO
Instruction 1 : 10[Box 10] 10[Box 10] = 20 [Box 10]
Instruction 2 : 10[Box No.] - 3 = 7[Box No.]
Instruction 3 : IS 4[Box 14] > 7[Box No.] ? NO
Instruction 1 : 7[Box 7] 7[Box 7] = 14[Box 7]
Instruction 2 : 7{Box No.] - 3 = 4[Box No.]
Instruction 3 : IS 4[Box 14] > 4[Box No.] ? NO
Instruction 1 : 4[Box 4] 4[Box 4] = 8[Box 4]
Instruction 2 : 4{Box No.] - 3 = 1[Box No.]
Instruction 3 : IS 4[Box 14] > 1[Box No.] ? YES
ANSWER
Box 14 = 4
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