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Exponents Maths - Exponents

Jharkhand Board (JAC) - STD 7 - Maths (Jharkhand - English Medium). 188 questions in this chapter.

Question types

Exponents question types

188 questions across 4 question groups — pick any mix to generate a Maths paper with step-by-step answer keys.

188
Questions
4
Question groups
5
Question types
Sample Questions

Exponents questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1M.C.Q. [1 Marks Each]1 Mark
Mark $(\checkmark)$ tick against the correct answer in the following: $\bigg\{6^{-1}+\Big(\frac{3}{2}\Big)^{-1}\bigg\}=?$
  • A
    $\frac{2}{3}$
  • B
    $\frac{5}{6}$
  • ✓
    $\frac{6}{5}$
  • D
    None of these.

Answer: C.

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Q 3M.C.Q. [1 Marks Each]1 Mark
Mark $(\checkmark)$ tick against the correct answer in the following: If $\Big(\frac{5}{3}\Big)^{-5}\times \Big(\frac{5}{3}\Big)^{11}=\Big(\frac{5}{3}\Big)^{8\text{x}},$ then $x = ?$
  • A
    $\frac{-1}{2}$
  • B
    $\frac{-3}{4}$
  • ✓
    $\frac{3}{4}$
  • D
    $\frac{4}{3}$

Answer: C.

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Q 4M.C.Q. [1 Marks Each]1 Mark
Mark $(\checkmark)$ tick against the correct answer in the following:
$\Big(\frac{-3}{2}\Big)^{-1}=?$
  • A
    $\frac{2}{3}$
  • ✓
    $\frac{-2}{3}$
  • C
    $\frac{3}{2}$
  • D
    None of these.

Answer: B.

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Q 5M.C.Q. [1 Marks Each]1 Mark
Mark $(\checkmark)$ tick against the correct answer in the following:
$\Big(\frac{2}{3}\Big)^{-5}=?$
  • A
    $\frac{32}{243}$
  • ✓
    $\frac{243}{32}$
  • C
    $\frac{-32}{243}$
  • D
    $\frac{-243}{32}$

Answer: B.

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