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Dsssb pgt mathemetics Practice Questions & Answers

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The number of odd three-digit positive integers that have no repeated digits is :

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The number of odd three-digit positive integers that have no repeated digits is :
1). 240
2). 320
3). 160
4). 128

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The product of the roots of the equation $x^{2}-3kx+2e^{4In(k)}$ is 31. Then the sum of the root is:

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The product of the roots of the equation $x^{2}-3kx+2e^{4In(k)}$ is 31. Then the sum of the root is:
1). 6
2). 2
3). 5
4). 4

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"बाँसो उछालना" मुहावरे का अर्थ होता है

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"बाँसो उछालना" मुहावरे का अर्थ होता है
1). उछल कर चढ़ना
2). बांस की सहयता से ऊपर उठना
3). पागल हो जाना
4). प्रसन्न होना

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The value of tan θ tan(60°+ θ) tan(60° —θ) is:

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The value of tan θ tan(60°+ θ) tan(60° —θ) is:
1). $\frac{1}{4}sin3\theta$
2). $3tan$\theta$
3). $tan3$\theta$
4). $\frac{1}{4}cos3\theta$

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The number of real roots of the equation $(7+4\sqrt{3})^{\mid x\mid-6}+(7-4\sqrt{3})^{\mid x\mid-6}=14$ is :

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The number of real roots of the equation $(7+4\sqrt{3})^{\mid x\mid-6}+(7-4\sqrt{3})^{\mid x\mid-6}=14$ is :
1). 4
2). 3
3). 2
4). 1