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MATHS M.C.Q. [1 Marks Each]

Exponents and Powers · Bihar Board (BSEB) STD 7 (BSEB - English Medium). 216 questions.

Questions · Page 5 of 5

M.C.Q. [1 Marks Each]

MCQ 2061 Mark
The value of $(-2)^{4}$ is
  • A
    $8$
  • B
    $-8$
  • ✓
    $16$
  • D
    $-16$
Answer
Correct option: C.
$16$
$(-2)^{4}=(-2) \times(-2) \times(-2) \times(-2)=16$
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MCQ 2071 Mark
The value of $(-2)^{3}$ is
  • A
    $8$
  • ✓
    $-8$
  • C
    $16$
  • D
    $-16$
Answer
Correct option: B.
$-8$
$(-2)^{3}=(-2) \times(-2) \times(-2)=-8$
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MCQ 2081 Mark
The exponential form of $1000$ is
  • A
    $10^{1}$
  • B
    $10^{2}$
  • ✓
    $10^{3}$
  • D
    $10^{4}$
Answer
Correct option: C.
$10^{3}$
$1000=10 \times 10 \times 10=10^{3}$
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MCQ 2091 Mark
The exponential form of $625$ is
  • A
    $5^{2}$
  • B
    $5^{3}$
  • ✓
    $5^{4}$
  • D
    $5^{5}$
Answer
Correct option: C.
$5^{4}$
$625=5 \times 5 \times 5 \times 5=5^{4}$
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MCQ 2101 Mark
The exponential form of $64$ is
  • A
    $2^{5}$
  • ✓
    $2^{6}$
  • C
    $2^{7}$
  • D
    $2^{8}$
Answer
Correct option: B.
$2^{6}$
$64=2 \times 2 \times 2 \times 2 \times 2 \times 2=2^{6}$
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MCQ 2111 Mark
The exponential form of $243$ is
  • ✓
    $3^{5}$
  • B
    $3^{4}$
  • C
    $3^{3}$
  • D
    $3^{2}$
Answer
Correct option: A.
$3^{5}$
$243=3 \times 3 \times 3 \times 3 \times 3=3^{5}$
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MCQ 2121 Mark
The exponential form of $32$ is
  • A
    $2^{3}$
  • B
    $2^{4}$
  • ✓
    $2^{5}$
  • D
    none of these
Answer
Correct option: C.
$2^{5}$
$32=2 \times 2 \times 2 \times 2 \times 2=2^{5}$
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MCQ 2131 Mark
The exponential form of $125$ is
  • A
    $5^{4}$
  • ✓
    $5^{3}$
  • C
    $5^{2}$
  • D
    none of these
Answer
Correct option: B.
$5^{3}$
$125=5 \times 5 \times 5=5^{3}$
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MCQ 2141 Mark
The exponential form of $81$ is
  • ✓
    $3^{4}$
  • B
    $3^{3}$
  • C
    $3^{2}$
  • D
    none of these
Answer
Correct option: A.
$3^{4}$
$81=3 \times 3 \times 3 \times 3=3^{4}$
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MCQ 2151 Mark
The exponential form of $100000$ is
  • A
    $10^{3}$
  • B
    $10^{4}$
  • ✓
    $10^{5}$
  • D
    none of these
Answer
Correct option: C.
$10^{5}$
$100000=10 \times 10 \times 10 \times 10 \times 10=10^{5}$
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MCQ 2161 Mark
The exponential form of $10000$ is
  • A
    $10^{3}$
  • B
    $10^{4}$
  • C
    $10^{5}$
  • ✓
    none of these
Answer
Correct option: D.
none of these
$10000=10 \times 10 \times 10 \times 10=10^{4}$
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M.C.Q. [1 Marks Each] - Page 5 - MATHS STD 7 Questions - Vidyadip