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10th Class Mathematics Chapter 3 Variations English Medium KPK Boards Online MCQ's MCQs With Answers
Question # 1
The third proportional of x
2
and y
2
is:
Choose an answer
x
2
y
2
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Question # 2
A ratio has:
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No units
Oneunit
Twounits
Threeunits
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Question # 3
In a proposition a:b::c:d, a and d are called:
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Means
Extremes
Fourth proportional
None
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Question # 4
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u = v
2
u = kv
2
uv
2
= k
uv
2
= 1
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Question # 5
In a ratio a:b, a is called:
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Relation
Antecedent
Consequent
None of these
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Question # 6
If 12, p and 3 are in continued proportion, then p =
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Question # 7
A proportion is a statement which expressed as an equivalence of:
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Four ratios
Threeratios
Tworatios
Oneratio
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Question # 8
In a : b : : b : c, where c is called:
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Fourth proportional
Meanproportional
Thirdproportional
Continuedproportional
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Question # 9
In a ratio x:y, y is called:
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Relation
Antecedent
Consequent
None of these
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Question # 10
If y = kx, x = 7 and y = 6, then k =
Choose an answer
42
13
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Question # 11
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u = wk
2
u = vk
2
u = w
2
k
u = v
2
k
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Question # 12
The ratio of a and b is written as:
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a : : b
a : b
a = b
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Question # 13
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Question # 14
If Y is directly proportional to x it can be written as:
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x = y
y : x
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Question # 15
The fourth proportional w of x : y::v : w is:
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xyv
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Question # 16
If a : b = c : d, then a : c = b : d is called theorem of:
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Invertendo
Componendo
Dividendo
Alternando
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