Contoh Soal OSN Matematika SD 2024

Three consecutive numbers add up to 54. The product of these three numbers is....

• 5,814

• 5,184

• 8,514

• 8,154

The area of the shape formed by connecting points A (2,1), B (7,1), C (7,4), and D (2,4) is…

• 15 square units

• 20 square units

• 21 square units

• 28 square units

Point A is located 6 units to the right of point O and 3 units above point O, so the coordinates of point A are…

• (6,3)

• (3,6)

• (9,3)

• (3,9)

If the following equations are known: (x+y)(x+z) = 15; (y+z)(y+x) = 18; and (z+x)(z+y) = 30; determine the values of x, y, and z that satisfy the equations.

• x=2, y=2, z=4

• x=1, y=2, z=3

• x=1, y=2, z=4

• x=1, y=1, z=4

Mia's math test scores are 60, 70, 75, 80, 80, 90, and 70. What is the average score?

• 74

• 74.5

• 75

• 75.5

One box of apples and 2 boxes of oranges weigh 125 kg. The weight of 2 boxes of pineapples and 2 boxes of oranges is 220 kg. The weight of 3 boxes of apples and 2 boxes of pineapples is 235 kg. What is the weight of 1 box of pineapples?

• 63

• 64

• 65

• 66

Tia, Sinta, and Nisa each received pocket money from their mothers. Tia has Rp. 25,000 more than the difference between 5 times Sinta's money and Nisa's money. The sum of Tia's and Sinta's money minus Nisa's money is Rp. 95,000. The difference between Endah's and Linda's money is Rp. 7,000. How much money does Nisa have?

• 8,000

• 7,000

• 6,000

• 5,000

A group of soldiers can march 25 km when it is not raining and 20 km when it is raining. If they marched a total of 480 km over 20 days, how many rainy days did they experience?

• 6 days

• 5 days

• 4 days

• 3 days

Joko slept from 9:20 PM last night and woke up this morning at 4:35 AM. He slept for ....

• 4 hours 45 minutes

• 4 hours 15 minutes

• 7 hours 15 minutes

• 5 hours 45 minutes

Andi sorts integers that are not prime or not multiples of 5, starting from largest to smallest. If the 10th number he writes is 102, what is the 21st number?

• 83

• 84

• 86

• 87