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Practice Problems on Average | Math Quiz
3 Questions 2.62K Join the discussion.
- 17 kg
- 26 kg
- 20 kg
- 31 kg
Answer: 31 kg
Explanation:Weight of A+B+C = 45 × 3 = 135 kg .....(i)
Wt. Of A+B = 40 × 2 = 80 kg .....(ii)
Weight of B + C = 43 × 2 = 86 kg ......
(iii)
Now on adding (ii) and (iii),
wt. of A+2B+C = 166kg
A+B+ C = 135 kg ....given (i)
On Subtracting (i)
B = 31 kg ..Ans
- 14
- 13
- 8
- 12
Answer: 13
Explanation:The sum of all numbers = 8 × 5 = 40
So, ? = 40 - (7+3+12+5) = 13 Ans.
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Practice Problems on Average | Math Quiz
3 Questions 2.62K Join the discussion.
- 17 kg
- 26 kg
- 20 kg
- 31 kg
Answer: 31 kg
Explanation:Weight of A+B+C = 45 × 3 = 135 kg .....(i)
Wt. Of A+B = 40 × 2 = 80 kg .....(ii)
Weight of B + C = 43 × 2 = 86 kg ......
(iii)
Now on adding (ii) and (iii),
wt. of A+2B+C = 166kg
A+B+ C = 135 kg ....given (i)
On Subtracting (i)
B = 31 kg ..Ans
- 14
- 13
- 8
- 12
Answer: 13
Explanation:The sum of all numbers = 8 × 5 = 40
So, ? = 40 - (7+3+12+5) = 13 Ans.
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