Recent questions tagged easy

Choose the odd one out:

asked Jan 3, 2014 by pady_1

1 answer

Under unfavourable condition Bacteria reproduction is by:

asked Jan 3, 2014 by pady_1

1 answer

Assertion (A) : Biogas is produced from the dung of cows and buffaloes Reason (R) : Methanogens are present in the gut of ruminant animals and they are responsible for the production of methane from their dung. Regarding (A) and (R)

asked Jan 3, 2014 by pady_1

1 answer

Which of the following is more general in characters as compared to class

asked Jan 3, 2014 by pady_1

1 answer

Which of the following is less general in characters as compared to genus

asked Jan 3, 2014 by pady_1

1 answer

The taxonomic studies of various species of plants and animals are useful in:

asked Jan 3, 2014 by pady_1

1 answer

Regarding 1 and 2 <br> 1. The keys are based on the contrasting characters generally in a pair called compliment. <br> 2. Each statement in the key is called a cue.

asked Jan 3, 2014 by pady_1

1 answer

Regarding 1 and 2 1. The keys are based on the contrasting characters generally in a pair called compliment. 2. Each statement in the key is called a lead.

asked Jan 3, 2014 by pady_1

1 answer

Zoological Parks are the places:

asked Jan 3, 2014 by pady_1

1 answer

Indian Botanical Garden and National Botanical Research Institute are located at

asked Jan 3, 2014 by pady_1

1 answer

Identify the wrong statement:

asked Jan 3, 2014 by pady_1

1 answer

Some universal rules of nomenclature are as follows: ( Identify the correct one)

asked Jan 3, 2014 by pady_1

1 answer

ICN, The International Code of Nomenclature for algae, fungi, and plants (ICN) was formerly called ICBN. What does ICBN stand for?

asked Jan 3, 2014 by pady_1

1 answer

Find the value of n such that $\frac{5^{(n+1)}+17^{(n+1)}}{5^n+17^n}$ is the AM of 5 and 17

asked Jan 3, 2014 by yamini.v

1 answer

The probability of a man hitting a target is $ \large\frac{3}{4}$. He tries 5 times. The probability that the target will be hit at least 3 times is

asked Jan 3, 2014 by thanvigandhi_1

1 answer

To obtain $6 \mu F $ capacity from $3$ capacitors of $4 \mu F$ each, they will be arranged as :

asked Jan 3, 2014 by meena.p

1 answer

Given that $a\;\xi\;b$ are not equal , find the value of n so that $\frac{a^{n+1}+b^{n+1}}{a^n+b^n}$ is the GM of $a\;\xi\;b$

asked Jan 3, 2014 by yamini.v

1 answer

The electric potential as a function of distance x is given by $ V= (-5x ^2-10 x +9) \;volt$ . The electric field at point $(1,2)$ is

asked Jan 3, 2014 by meena.p

1 answer

If n arithmetic means are interested between $0$ and $32$ such that the $2^{nd}$ mean is one-seventh of the $(n-1)^{th}$ mean, find the value of $n$.

asked Jan 3, 2014 by yamini.v

1 answer

A charge q is placed at middle point of the line joining two equal charges +Q. The value of q such that system is in equilibrium is :

asked Jan 3, 2014 by meena.p

1 answer

A hollow metal sphere of radius 5 cm is charged such that the potential on its surface is 25 V. The electric field at centre of sphere is :

asked Jan 3, 2014 by meena.p

1 answer

Three houses are available in a locality. Three persons apply for the houses. Each applies for one house without consulting others. The probability that all the three apply for the same house is :

asked Jan 3, 2014 by thanvigandhi_1

1 answer

Insert k arithmetic means between 1 and $k^2$ . what is the resulting series?

asked Jan 3, 2014 by yamini.v

1 answer

Two small spherical balls whose charges are $20 \mu c$ each are hanged with help of 1 m long thread from roof. In equilibrium both threads are seperated by $ 60^{\circ}$ Tension in each thread is :

asked Jan 3, 2014 by meena.p

1 answer

Two persons A and B have equal number of sons. There are three cinema tickets which are to be distributed among the sons of A and B. The probability that all the tickets go to sons of A is $ \large\frac{1}{20}$. The number of sons each of them is :

asked Jan 3, 2014 by thanvigandhi_1

1 answer

In the series 2,10,50 ------ the number of terms required to make a sum of 7812 is

asked Jan 3, 2014 by yamini.v

1 answer

Which term of the series $\frac{16}{9}$, $\frac{4}{3}$, $1$, $\frac{3}{4}$------is $\frac{243}{1024}$

asked Jan 3, 2014 by yamini.v

1 answer

A $0.4 \mu F$ capacitor is charged to $1200 v. $ After removing battery a $0.2 \mu F$ capacitor is connected in parallel to it. The voltage on capacitor will become :

asked Jan 3, 2014 by meena.p

1 answer

The angles of a quadrilateral are in AP whose common difference is $10^0$. Find the angles.

asked Jan 3, 2014 by yamini.v

1 answer

Electric potential at any point is $V=-10 x +6y +\sqrt {60 }z$, then magnitude of electric field is :

asked Jan 3, 2014 by meena.p

1 answer

If capacitor is changed from 0 to 20 v using constant current. Variation in energy U of capacitor with time t will be

asked Jan 3, 2014 by meena.p

1 answer

Divide 44 into 4 parts following an AP such that the ratio of the product of extremes to the product of the means is 5:14.

asked Jan 3, 2014 by yamini.v

1 answer

All the capacitors shown in circuit are identical . Each can withstand maximum $100 V$ between its terminals . The maximum voltage that can be applied safely b/w A and B is

asked Jan 3, 2014 by meena.p

1 answer

If the $3^{rd}$ term of a GP is 18 and the $10^{th}$ term is 39366 , find the $7^{th}$ term of the GP.

asked Jan 3, 2014 by yamini.v

1 answer

If $P$ is a point in space such that $OP=12$ and $\overrightarrow {OP} $ is inclined with angle $45^{\circ} $ with $OX$ and $60^{\circ}$ with $OY$ then the coordinates of $P$ is ?

asked Jan 3, 2014 by rvidyagovindarajan_1

1 answer

Find the sum of the series 1.4 + 2.5 + 3.6----- upto 20 terms.

asked Jan 3, 2014 by yamini.v

1 answer

Two metal balls of same radii are charged to 5 and -25 units of electricity . They are brought in contact with each other and then again seperated to original distance. Ratio of magnitude of force b/w two balls after and before contact is

asked Jan 3, 2014 by meena.p

1 answer

If $P(3,2,-4),\:Q(5,4,-6)\:and\:R(9,8,-10)$ are collinear,then $R$ divides $PQ$ in ratio?

asked Jan 3, 2014 by rvidyagovindarajan_1

1 answer

Find the sum of the series $3^2$ + $5^2$ + $7^2$ +-----upto 10 terms

asked Jan 3, 2014 by yamini.v

1 answer

In a medium of dielectric constant K, the electric field is $\overrightarrow {E}$, if $\in _0$ is permittivity of free space , the electric displacement vector is :

asked Jan 3, 2014 by meena.p

1 answer

Potential of any point inside a charged hollow sphere :

asked Jan 3, 2014 by meena.p

1 answer

If $\large\frac{1}{x+y}$, $\large\frac{1}{xy}$, $\large\frac{1}{y+z}$ are in AP, $x, y, z$ are in

asked Jan 3, 2014 by yamini.v

1 answer

A force F acts between two charges kept 1 cm apart in air. If permittivity of air and dielectric constant of water are $\in _0$ and $K$ respectively, find the force acting when both atoms are placed in water.

asked Jan 3, 2014 by meena.p

1 answer

Total electric flux coming out of unit positive charge put in air is :

asked Jan 3, 2014 by meena.p

1 answer

n identical condensers are joined in series and are charged to potential v. Now they are seperated and joined in parallel. Total energy and potential difference of combination will be :

asked Jan 3, 2014 by meena.p

1 answer

The sum of three numbers in GP is 26. If 2,2,-6 are added to them respectively they form as.n AP . Find the number

asked Jan 3, 2014 by yamini.v

1 answer

The product of $3$ numbers in $GP$ is $1000$. If $6$ and $7$ are added to the $2^{nd}$ and $3^{rd}$ terms respectively, the terms form an $AP.$ Find the $GP$.

asked Jan 3, 2014 by yamini.v

1 answer

Find the sum of n terms of the series 2.4 + 5.6 + 8.8 + 11.10 +---------

asked Jan 3, 2014 by yamini.v

1 answer

Find the sum of n terms of the series 1.5+3.8+5.11+---------------n

asked Jan 3, 2014 by yamini.v

1 answer

Find the sum of n terms of the series 2.4+5.7+8.10+------------

asked Jan 3, 2014 by yamini.v

1 answer

Ask Questions, Get Answers