Change pack
Lintel
Jan 27 - Feb 2
25 questions
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1.
Number
0.00098
Answer: 9.8 × 10-4
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2.
Algebra
Factorise: x² - 10x + 21
Answer: (x - 7)(x - 3)
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3.
Geometry
Hypotenuse = 37cm, angle = 46°. Find adjacent side
Answer: 25.7cm
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4.
Ratio
Divide 144 in the ratio 3:2:1
Answer: 72, 48 and 24
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5.
Statistics
The mean of 6 numbers is 39. If 5 of them are 27, 26, 19, 50, 18, what is the missing number?
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1.
Number
0.0054
Answer: 5.4 × 10-3
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2.
Algebra
Factorise: x² - 10x + 24
Answer: (x - 6)(x - 4)
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3.
Geometry
Hypotenuse = 18cm, angle = 39°. Find adjacent side
Answer: 14cm
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4.
Ratio
Simplify: 6:15:12
Answer: 2:5:4
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5.
Statistics
The mean of 4 numbers is 22. If 3 of them are 25, 23, 15, what is the missing number?
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1.
Number
85000
Answer: 8.5 × 104
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2.
Algebra
Factorise: x² + 3x - 10
Answer: (x + 5)(x - 2)
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3.
Geometry
Adjacent = 12cm, angle = 42°. Find opposite
Answer: 10.8cm
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4.
Ratio
Divide 96 in the ratio 1:2:1
Answer: 24, 48 and 24
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5.
Statistics
Calculate the mean of: 47, 49, 23, 33, 33, 42, 42
Answer: 38.4
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1.
Number
940000
Answer: 9.4 × 105
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2.
Algebra
Factorise: x² + x - 12
Answer: (x + 4)(x - 3)
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3.
Geometry
Hypotenuse = 30cm, angle = 29°. Find adjacent side
Answer: 26.2cm
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4.
Ratio
Simplify: 10:10:4
Answer: 5:5:2
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5.
Statistics
Calculate the mean of: 35, 32, 33, 35, 39, 49
Answer: 37.2
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1.
Number
0.0077
Answer: 7.7 × 10-3
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2.
Algebra
Factorise: x² - 11x + 28
Answer: (x - 7)(x - 4)
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3.
Geometry
Adjacent = 29cm, angle = 47°. Find opposite
Answer: 31.cm
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4.
Ratio
Simplify: 4:6:10
Answer: 2:3:5
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5.
Statistics
The mean of 5 numbers is 21. If 4 of them are 24, 15, 38, 27, what is the missing number?