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Dsssb year Practice Questions & Answers

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If $x=sin^{2}\theta+\cos^{4}\theta$ then for all values of $\theta$ :

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If $x=sin^{2}\theta+\cos^{4}\theta$ then for all values of $\theta$ :
1). $1\leq x\leq 2x$
2). $1\leq x\leq 3$
3). $0.75\leq x\leq 1$
4). $0.5\leq x\leq 1.5$

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The prime factorization of 42833 is given by :

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The prime factorization of 42833 is given by :
1). 7.21. 291
2). 7.21. 299
3). 7.21. 219
4). 7.29. 211

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If a straight line makes angles $\alpha,\beta,\gamma$ with the axes of coordinates, then $cos2\alpha+cos2\beta+cos2\gamma$ is equal to:

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If a straight line makes angles $\alpha,\beta,\gamma$ with the axes of coordinates, then $cos2\alpha+cos2\beta+cos2\gamma$ is equal to:
1). 2
2). 1
3). -1
4). -2

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A person spends $\frac{2}{5}$ of his money on food, $\frac{1}{3}$ of the remaining on clothes and $\frac{2}{3}$ of the remaining on transport. If he is left with Rs. 760, how much money he had in the beginning?

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A person spends $\frac{2}{5}$ of his money on food, $\frac{1}{3}$ of the remaining on clothes and $\frac{2}{3}$ of the remaining on transport. If he is left
with Rs. 760, how much money he had in the beginning?
1). Rs. 6200
2). Rs. 5500
3). Rs. 5680
4). Rs. 5700

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Which of the following sequences of three-address instructions can be used to evaluate Y = (A —B) / (C + D > E) ?

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Which of the following sequences of three-address instructions can be used to evaluate Y = (A —B) / (C + D > E) ?
1). SUB Y, A, B MPY T, D, E ADD T, T, C DIV Y, Y, T
2). SUB Y, A, B ADD T, T, C MPY T, D, E DIV Y, Y, T
3). SUB Y, A, B MPY T, D, E ADD T, T, C DIV T, Y, T
4). SUB Y, A, B MPY T, D, E ADD T, T, C DIV Y, T, T