Lakshya Education MCQs

Question: If A : B = 3 : 4 and B : C = 8 : 9, then A : B : C is = ?
Options:
A.8 : 6 : 9
B.9 : 8 : 6
C.6 : 8 : 9
D.3 : 32 : 9
Answer: Option C

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More Questions on This Topic :

Question 1. If 2A = 3B = 4C, the A : B : C is = ?
  1.    2 : 3 : 4
  2.    4 : 3 : 2
  3.    6 : 4 : 3
  4.    3 : 4 : 6
Answer: Option C
Question 2. If p : q : r = 1 : 2 : 4, then $$\sqrt {5{p^2} + {q^2} + {r^2}} $$    is equal to -
  1.    5
  2.    2q
  3.    5p
  4.    4r
Answer: Option C
Question 3. X, y, z, u are real numbers such that x : y = y : z = z : u and x : u = 64 : 27. the value of x : z is -
  1.    64 : 27
  2.    16 : 9
  3.    4 : 3
  4.    3 : 4
Answer: Option B
Question 4. If a and b are rational numbers and $$a + b\sqrt 3 $$   $$ = $$ $$\frac{1}{{2 - \sqrt 3 }}{\text{,}}$$   then a : b is equal to = ?
  1.    2 : 1
  2.    2 : 3
  3.    $$\sqrt 3 $$ : 1
  4.    - $$\sqrt 3 $$ : 1
Answer: Option A
Question 5. If a : (b + c) = 1 : 3 and c : (a + b) = 5 : 7, then b : (a + c) is equal to.
  1.    1 : 2
  2.    2 : 3
  3.    1 : 3
  4.    2 : 1
Answer: Option A
Question 6. If A : B : C = 2 : 3 : 5 and A = x% of (B + C), then x is equal to -
  1.    20
  2.    24
  3.    25
  4.    28
Answer: Option C

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