Algebra
Geometry
Sequence
Number Theory
Surprise
50
Simplify this equation: 6x +2x

8x

50

What is the supplement angle of 110?

70

50

A sequence goes: 4, 8, 12, 16. What is the common difference?

4

50

Is 41 a prime number?

Yes

50

A food eating contest has two participants both weighing in at 150kg. After the eating contest, both participants gain 20% more weight from eating. What is the weight of one of the contestants?

180kg

100

4x - 1 = 19, what is the value of x?

x = 5

100

A triangle has a base length of 12cm, and height of 7cm. What is the triangle's area?

42 cm2

100

A sequence goes: 5, 10, 20, 40. What is the next term?

80

100

What is the HCF (highest common factor) of 42 and 56?

14

100

After an eating contest, a contestant wants to lose 3/8th of the weight gained. To help him, turn the fraction into a form of decimals.

0.375
150

Expand this equation: 4(x-2) + x

5x - 8

150
A right triangle has length 8 and height 15. What is the hypotenuse of this triangle?

17

150

What is the nth term of this sequence? 6, 10, 14, 18

4n + 2

150

What is the LCM (lowest common factor) of 16 and 24?

48

150

With this coin flip, a contestant of an eating contest decides if they would join or not. What are the odds of him joining if both decisions were even?

50%

200

6x - 5 = 3x + 16, solve for x

x = 7

200

Translate the coordinates (-2, 5) by the coordinates (3, -4)

1, 1

200

A sequence goes: 1, 8, 27, 64. What is the next term?

125

200

Factorize the number 540 using primes.

22 x 33 x 5

200

An eating contest has five contestants eating as much hot dogs as possible. Each contestant ate 9, 11, 15, 17, and 23 hot dogs respectively. On average, how much hot dogs did each contestant eat?

15

250

3x + y = 17; x = y = 3. Solve for x and y

x = 5, y = 2

250

A triangle has sides 9, 40, and 41. Is it a right triangle?

Yes

250

What is the nth term of this sequence: 2, 7, 14, 23, 34.

n2+n

250

What are the number of positive factors of 84?

12

250

Aeziva has finally won an eating competition, and the prize reward is Rp800,000. However, due to a logistics issue the price had to be lowered by 12.5%. What is the amount of money Aeziva now receives?

Rp700,000
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