This question uses 2 different fractions to represent 2 different groups of items.
Each denominator represents a different total.
Such questions are referred to as "units and parts".
A similar version of the question can also be found "here".
These questions will usually appear in P6 Exams Paper 2 and often appears in P6 Prelims.
Calculator usage is allowed.
In the morning,
there were a total of 387 boys and girls visiting the Science Center.
At 12 p.m. noon,
5/7 of the girls and 7/10 of the boys went home.
there were a total of 387 boys and girls visiting the Science Center.
At 12 p.m. noon,
5/7 of the girls and 7/10 of the boys went home.
There were only 114 girls and boys remaining at the premises.
How many girls were there at first?
If the above question is easy, try to do the more challenging question below.
The questions below will randomize with different numbers every hour.
Copy below question down before making attempt.