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Recent questions tagged 184

The equation $r = 5 \cos \theta + 12 \sin \theta$ represents :

asked Dec 19, 2018 by pady_1

0 answers

If $x+y=12$, then the minimum value of $x^2+y^2$ is:

asked Dec 19, 2018 by pady_1

0 answers

$\cos 6^{\circ} \sin 24^{\circ} \cos 72^{\circ}$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

If $A = \begin{bmatrix} -2 & 2 \\ -3 & 2 \end{bmatrix}, \; B = \begin{bmatrix} 0 & -1 \\ 1 & 0 \end{bmatrix}$, then $(B^{-1}A^{-1})^{-1}$ is equal to :

asked Dec 11, 2018 by pady_1

0 answers

The vector $\hat{i} + x \hat{j} + 3 \hat{k}$ is rotated through an angle $\theta$ and doubled in magnitude, then it becomes $4 \hat{i} + ( 4x - 2) \hat{j} + 2 \hat{k}$. The value of $x$ are :

asked Dec 11, 2018 by pady_1

0 answers

If the function $f(x) = 2x^3 - 9 ax^2 + 12 a^2x + 1$, where $a>0$, attains its maximum and minimum at $p$ and $q$ respectively such that $p^2 = q$, then $a$ equals :

asked Dec 11, 2018 by pady_1

0 answers

Two thermally insulated vessels 1 and 2 are filled with air at temperatures $(T_1, \; T_2)$, volume $(V_1, \; V_2)$ and pressure $(P_1, \; P_2)$ respectively. If the value joining two vessels is opened, the temperature inside the vessel at equilibrium will be

asked Nov 5, 2018 by pady_1

0 answers

The extinct human who lived 1,00,000 to 40,000 years ago, in Europe, Asia and parts of Africa, with short stature, heavy eye brows, retreating fore heads, large jaws with heavy teeth, stocky bodies, a lumbering gait and stooped posture was :

asked Aug 20, 2018 by pady_1

2 answers

Which one of the following is the most wide accepted method of contraception in India, as at present ?

asked Aug 16, 2018 by pady_1

1 answer

Heartwood differs from sapwood in –

asked Jul 26, 2018 by pady_1

1 answer

Which of the following is a symbiotic nitrogen fixer ?

asked Jul 26, 2018 by pady_1

2 answers

Nitrogen fixation in root nodules of Alnus is brought about by:

asked Jul 26, 2018 by pady_1

1 answer

Differentiation of organs and tissues in a developing organism, is associated with-

asked Jul 26, 2018 by pady_1

1 answer

Which one of the following has an open circulatory system ?

asked Jul 25, 2018 by pady_1

1 answer

parkinson's disease (characterized by tremors and progressive rigidity of limbs) is caused by degeneration of brain neurons that are involved in movement control and make use of neurotransmitter -

asked Jul 24, 2018 by pady_1

1 answer

An ecosystem which can be easily damaged but can recover after some time if damaging effect stops will be having -

asked Jul 24, 2018 by pady_1

1 answer

Boron in green plants assists in : -

asked Jul 24, 2018 by pady_1

1 answer

What is the reason of formation of embryoid from pollen grain in tissue culture medium

asked Jul 23, 2018 by pady_1

1 answer

At the time of organogenesis genes regulate the process at different levels and at different time due to :

asked Jul 20, 2018 by pady_1

1 answer

Method of DNA replication in which two strands of DNA separates and synthesize new strands :

asked Jul 20, 2018 by pady_1

1 answer

Which destroys the acetyl choline esterase :

asked Jun 15, 2018 by pady_1

1 answer

Emily walked 8.7 kilometres on Monday. Then she walked 7.8 kilometres on Tuesday. How much farther did Emily walk on Monday than on Tuesday?

asked Dec 31, 2015 by pady_1

0 answers

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