IMO For Jacob

Observe the given figure carefully and answer the questions based on it.

If one more ball is added on the left of ball 1, then how many balls are on the left of Ball 6?

• 6

• 5

• 7

• 4

If Pawan has baseball practice every fourth day in the month of March, starting

with March 1, then what date will be his last day of practice for the month?

• March 28

• March 29

• March 30

• March 31

Komal built a birdhouse at summer camp. What shape is the piece of wood that was

cut out to make the door of her birdhouse?

• Triangle

• Square

• Circle

• Rectangle

How many cubes are there in the given figure?

• 6

• 5

• 7

• 4

Tina shades in 3 parts on a game board. What fraction of the

game board is shaded?

• 3/6

• 3/5

• 3/3

• 6/3

What is the standard form of 7,000 + 800 + 20 + 5?

• 7,285

• 7,825

• 7,852

• 7,528

8 × 9 = ? + 9 + 9. The missing number is ___.

• 54

• 45

• 43

• 34

Tanya started watching television at 8 : 47 p.m. She decided to go to bed 1 hr 40 mins later. At what

time did she go to bed?

• 10 : 27 p.m.

• 10 : 17 a.m.

• 9 : 27 p.m.

• 9 : 27 a.m.

The product of a number and 6 is 240. The number is _____.

• 40

• 80

• 144

• 1440

Sara and 3 of her friends together made a poster. They drew 8 rows of squares with 6 squares in

each row. How many squares did Sara and her friends draw on the poster?

• 17

• 40

• 42

• 48