Question 21
A family has three sons, Jack, Jill and Josh. Asked how many toys they have, Jack says: “1 toy car, 3 stuffed animals and 4 balls.” Jill says: “7 toy cars, 3 stuffed animals and 5 balls.” Josh says: “1 toy car, 2 stuffed animals and 5 balls.” Each boy gives exactly one true count and two false counts. How many toys are there altogether?

Scoring note: the source National Star is optional. It earns +10 if correct, loses 10 if wrong or left blank after opting in, and scores 0 if not selected. This practice import has no automatic negative marks and cannot represent opting in; apply the source adjustment manually.

Scoring note: the source National Star is optional. It earns +10 if correct, loses 10 if wrong or left blank after opting in, and scores 0 if not selected. This practice import has no automatic negative marks and cannot represent opting in; apply the source adjustment manually.