Question : Directions: The weights of 4 boxes are 90, 30, 20, and 50 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes, and in combination a box can be used only once?
Option 1: 190
Option 2: 170
Option 3: 100
Option 4: 150
Correct Answer: 150
Solution :
Given:
The weights of 4 boxes are 90, 30, 20, and 50 kilograms.
The total weight of all possible combinations of boxes is as follows –
90 + 30 = 120; 90 + 20 = 110; 90 + 50 = 140; 30 + 20 = 50;
30 + 50 = 80; 20 + 50 = 70; 90 + 30 + 20 = 140;
90 + 30 + 50 = 170; 90 + 20 + 50 = 160; 30 + 20 + 50 = 100;
90 + 30 + 20 + 50 = 190
Therefore, there is no total weight of 150 kilograms in any combination. Hence, the fourth option is correct.
Related Questions
Know More about
Staff Selection Commission Combined Grad ...
Result | Eligibility | Application | Selection Process | Preparation Tips | Admit Card | Answer Key
Get Updates Brochure
Your Staff Selection Commission Combined Graduate Level Exam brochure has been successfully mailed to your registered email id “”.
