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1. The value of 2 is (a) 3 (b) 10 (c) 32 (d) 7 2. The Base in the expression 10 is (a) 1 (b) 10 (c) 0 (d) 24 3. The value of 3 is (a) 0 (b) 3 (c) 1 (d) None of these 24. Multiplicative inverse of 7² is (a) 49 (b) 5 (c) 7 (d) -14 Q 5. Fill in the blank $a^{m}\times a^{n}=a$ a where m and n are natural numbers:- (a) mn (b) m + n (C) m · n (d) m/n Q 6. The exponential form of $18\times \left(3\right)^{3}is$ given by which of the following expression: (a) 6 (b) 2 (c) 3 (d) 53 Q 7. The value of 1/3 is equal to (a) 9 (b) 1 (c) -6 (d) 1/3 Q 8. In exponential form $149.600.000.000m$ is given by : $\left(a\right)1.496\times 10^{11}m|$ (b) $1.496\times 10^{8}m$ (c) $14.96\times 10^{8}$ m (d) $14.96\times 10^{11}m$ Q 9. In simplified form $\left(3^{.1}+4^{1}+5^{1}\right)^{0}$ is equals to (a) 12 (b) -3 (c) 121 (d) 1 Q 10. The value of $\left(213\right)^{2}$ $is$ (a) 4/9 (b) -2/9 (c) 9/4 (d) 0 Q 11. In standard form $21600000ism\pi itcr$ as (a) $2.16\times 10^{7}$ (b) $216\times 10^{7}$ $\left(c\right)$ $2.16\times 10$ $\left(d\right)$ $216\times 100000$ Q 12. Usual form of the expression $3\times 10^{5}s$ given by (a) 0.00003 (b) $0.000003$ (c) $30\times 10-4$ (d) $0.03x10^{3}$ Q 13. 1 micron is equals to (a) 1/10000 m (b) 10 m (c) 10 m (d) 10 m
7th-9th grade
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Qanda teacher - pankajjee
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is it clear dear
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yes it is clear...
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3 www.MathsTimes.com Q 28. In exponential form 140,000,000,000 Kg is given $nby--$ $14\times 10k$ $\left(a\right)1.4\times 10^{7}$ Kg (b) $14\times 10$ Kg (c) $\left(d\right)$ $14\times 10^{11}kg$ Q 29. The expression, $\left(5^{1}+7^{1}+3^{1},0$ is equals to (a) 15 (b) -3 (c) 15 (d) 1 Q 30. $11cralocct\left(13\right)^{2}b$ (a) 9 (b) -2/3 (c) 1/9 (d) 0 Q 31. In standard form 56700000 is $n\pi \left(14c0as-$ (a) $567\times 10^{7}$ $\left(b\right)$ $567\times 10\right)$ $\left(c\right)567\times 10^{4}$ (d) 567x 100000 Q 32. Usual expression 9 X 10 is given by form of the (a) 0.00009 (b) 0.000009 (e) 90 x 10 (d) 0.09 x 10 Q 33. The number 86,800,000,000,000,000,000,000,000 Kg is equals to (a) $x6\times \times 1y^{2}$ K (b) 868 x10" Kg (c) x 10 Kg (d) 868x10m 86.8 Q 34. Charge of an electron is 0.000,000,000,000,000,000,16 coulomb and in exponential form it can be written as (a) $16\times 10^{13}$ coulomb (b) $1.6\times 10^{11}$ coulomb (e) $1.6\times 10^{16}$ coulomb (d) $16\times 10^{21}$ coulomb Q 35. $13\times 10^{7}kmkab$ standard form of which of the following Km (b) 0.0000013 0,000000013 Km ((ae) ) 0.000000000013 Km (d) 0.00000000013 Km Q 36. The standard form of 9030000000 is given by (a) 9.03 x 10 (b) 90.3 x 10 (e) 903 x 10 $\left(4\right)9.03\times 10$ Q 37. Which one of the following is the value of 3* (a) 3 (b) 15 (e) 2 (d) 243 Q 3. 3' is the multiplicative inverse of (a) 1/9 (b) 1/3 (c) 6 (d) 1/2 Q 39. 64 is the multiplicative inverse of (a) 2* (b) 8 (c) 1/8 (d) 2 Q 40. The value of 2° x 3 x 4° is (a) 1 (b) 0 (e) 24 (d) None of these
7th-9th grade
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10th-13th grade
English