Tag: length, mass and capacity

Questions Related to length, mass and capacity

Multiple choice maths length, mass and capacity problems on measurement choosing and converting between units conversion between different units

With the use of three different weights, namely, $1$ gms, $3$ gms, and $9$ gms, how many objects of different weights can be weighed, if the object has to be weighed and the given weights may be placed in either pan of the scale?

  1. $15$
  2. $13$
  3. $11$
  4. $9$
  5. $7$
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
Weights used No. of weighings possible
1. singly $3$
2. two at a time (Same pan) $3$
3. Three at a time (Same pan) $1$
4. two at a time (diff. pans) $3$
5. three at a time (diff. pans) $3$
Total $13$