Change pack
Lintel
Jan 19 - 25
25 questions
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1.
Number
Express 200 as a product of prime factors
Answer: 2³ × 5²
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2.
Algebra
Solve: 2x + 3y = 41 and 3x - y = 23
Answer: x = 10, y = 7
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3.
Geometry
Find b if a = 13cm and c = 25cm
Answer: 21.35cm
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4.
Ratio
a:b is 1:2 and b:c is 4:7. Find a:b:c.
Answer: 2:4:7
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5.
Statistics
A bag has 4 red out of 8 balls. If you pick 74 times (with replacement), how many times would you expect red?
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1.
Number
Write 90 as a product of its prime factors
Answer: 2 × 3² × 5
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2.
Algebra
Solve: 2x + 3y = 22 and 3x - y = 11
Answer: x = 5, y = 4
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3.
Geometry
Calculate the missing side: a = 24cm, c = 32cm
Answer: 21.2cm
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4.
Ratio
a:b is 3:5 and b:c is 5:6. Find a:b:c.
Answer: 3:5:6
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5.
Statistics
A fair coin is flipped 164 times. How many heads would you expect?
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1.
Number
Express 144 as a product of prime factors
Answer: 2⁴ × 3²
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2.
Algebra
Solve: 5x + 3y = 37 and x + 3y = 17
Answer: x = 5, y = 4
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3.
Geometry
Find b if a = 13cm and c = 21cm
Answer: 16.49cm
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4.
Ratio
a:b is 4:5 and b:c is 5:4. Find a:b:c.
Answer: 4:5:4
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5.
Statistics
A bag has 3 red out of 10 balls. If you pick 116 times (with replacement), how many times would you expect red?
Answer: 34.8
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1.
Number
Write 60 as a product of its prime factors
Answer: 2² × 3 × 5
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2.
Algebra
Solve: 2x + 2y = 32 and x + 4y = 40
Answer: x = 8, y = 8
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3.
Geometry
Calculate the missing side: a = 11cm, c = 22cm
Answer: 19.cm
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4.
Ratio
a:b is 2:5 and b:c is 5:4. Find a:b:c.
Answer: 2:5:4
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5.
Statistics
A bag has 2 red out of 10 balls. If you pick 54 times (with replacement), how many times would you expect red?
Answer: 10.8
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1.
Number
Express 100 as a product of prime factors
Answer: 2² × 5²
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2.
Algebra
Solve: 2x + 3y = 18 and 3x - y = 16
Answer: x = 6, y = 2
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3.
Geometry
Find b if a = 8cm and c = 18cm
Answer: 16.12cm
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4.
Ratio
a:b is 3:5 and b:c is 5:7. Find a:b:c.
Answer: 3:5:7
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5.
Statistics
A fair coin is flipped 58 times. How many heads would you expect?