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8th Grade > Mathematics

INDICES AND STANDARD FORM MCQs

Total Questions : 40 | Page 1 of 4 pages
Question 1. The product of a²b4 and a³b5 is
  1.    a10 b20
  2.    a5 b9
  3.    a4 b6
  4.    a6 b7
 Discuss Question
Answer: Option B. -> a5 b9
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 2. The product of y7 and y³ is equal to
  1.    y¹⁰
  2.    y21
  3.    y4
  4.    y²
 Discuss Question
Answer: Option A. -> y¹⁰
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 3. The product of b and 5b³ is
  1.    5b⁴
  2.    6b³
  3.    6b⁴
  4.    6b²
 Discuss Question
Answer: Option A. -> 5b⁴
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 4. If 3⁶ ⁄27 = 3x then the value of 'x' is
  1.    3
  2.    4
  3.    5
  4.    2
 Discuss Question
Answer: Option A. -> 3
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 5. If (9⁴ )2 = 3x then the value of 'x' is
  1.    14
  2.    16
  3.    15
  4.    17
 Discuss Question
Answer: Option B. -> 16
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 6. The answer of 9.5 x 10⁵ ⁄10⁴ in ordinary notation is
  1.    0.95
  2.    0.095
  3.    95
  4.    0.0095
 Discuss Question
Answer: Option C. -> 95
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 7. On evaluating the (512)1⁄3 , the answer will be
  1.    1⁄4
  2.    1⁄2
  3.    8
  4.    1⁄8
 Discuss Question
Answer: Option C. -> 8
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 8. By solving the following (5a²b³)², the answer will be
  1.    25a⁵ b⁶
  2.    25a⁴ b⁶
  3.    25a⁷ b⁵
  4.    25a³b⁴
 Discuss Question
Answer: Option B. -> 25a⁴ b⁶
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 9. By evaluating the (4⁄5)-² ⁄(3)⁰ , the result will be
  1.    1⁄16
  2.    25⁄16
  3.    16⁄25
  4.    1⁄25
 Discuss Question
Answer: Option B. -> 25⁄16
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 10. By solving a x (a²)⁹ , the answer will be
  1.    a¹⁵
  2.    a¹⁹
  3.    a¹⁸
  4.    a²⁰
 Discuss Question
Answer: Option B. -> a¹⁹
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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