Matric Part 2/10th Class Mathematics Chapter 3 MCQ Test With Answer for Unit 3 Variations

In continued proportion a:b = b:c, ac = b², b is said to be _______ proportional between a and c:

• Third A
• Fourth B
• Means C
• None of these D

If Y is directly proportional to x it can be written as:

• 
  A
• 
  B
• x = y C
• y : x D

If y = 8 and x = 4, then k = xy, we get k =

• 12 A
• 32 B
• 84 C
• 114 D

The fourth proportional w of x : y::v : w is:

• 
  A
• 
  B
• xyv C
• 
  D

The ratio of a and b is written as:

• 
  A
• a : : b B
• a : b C
• a = b D

If a : b = c : d, then a : c = b : d is called theorem of:

• Invertendo A
• Componendo B
• Dividendo C
• Alternando D

• u = v² A
• u = kv² B
• uv² = k C
• uv² = 1 D

If a : b = c : d, then a + b : a - b = c + d : c - d is called theorem of:

• Componendo-Dividendo A
• Invertendo B
• Dividendo C
• Componendo D

Product of extremes = product of ______.

• Consequents A
• Antecedent B
• Ratios C
• Means D

If one quantity increases and other decreases, the variation is:

• Inverse A
• Direct B
• Indirect C
• Equal D

In a proportion a : b :: c : d, b and c are called:

• Means A
• Extremes B
• Fourth proportional C
• None of these D

The ratio of 1km to 600m is:

• 1 : 6 A
• 5 : 3 B
• 3 : 2 C
• 2 : 1 D

In a ratio a:b, a is called:

• Relation A
• Antecedent B
• Consequent C
• None of these D

In proportion a:b::c:d, b and c are called:

• Means A
• Extremes B
• Third proportional C
• None of these D

A relation between two quantities of same kind is called:

• Proportion A
• Ratio B
• Variation C
• Percentage D