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Recent questions tagged q3
ASK
Find out the place value of the number 4 according to international place value system <br>85, 140, 365, 782
cbse
class4
olympiad
math
t5
q3
asked
Oct 19, 2017
by
priyanka.c
0
answers
Following table is for which logic gate:
neet
1998
physics
past paper
t1
q3
asked
Oct 8, 2017
by
priyanka.c
1
answer
Radioactive material 'A' has decay constant $8 \lambda$ and material 'B' has decay constant $\lambda$. Initially they have same number of nuclei. After what time, the ratio of number of nuclei of material 'B' to that 'A' will be $\large\frac{1}{e} $?
neet
2017
physics
past paper
t1
q3
asked
Oct 7, 2017
by
meena.p
0
answers
Which of the following mathematical symbol represents Kite?
cbse
class4
olympiad
math
t4
q3
asked
Oct 2, 2017
by
priyanka.c
0
answers
How much is 50 rupees and 75 paise from the following
cbse
class4
olympiad
math
t3
q3
asked
Sep 25, 2017
by
priyanka.c
0
answers
How many 8's are there in the following number sequence which is immediately preceded by 4 and not followed by 7? <br> 7 8 4 7 4 8 8 3 5 1 4 8 7 2 1 4 8 5
cbse
class4
olympiad
math
t2
q3
asked
Sep 20, 2017
by
priyanka.c
0
answers
How many vertices does the given figure has
cbse
class4
olympiad
math
t1
q3
asked
Sep 18, 2017
by
priyanka.c
0
answers
Find the fraction of the shaded portion from the following figure
olympiad
cbse
class3
math
t5
q3
asked
Sep 3, 2017
by
priyanka.c
0
answers
The number is a single digit. It is an even number and divisible by 2. It looks like pair of glasses on their side. It looks the same if written upside down. What is the number
olympiad
cbse
class3
math
t4
q3
asked
Aug 31, 2017
by
priyanka.c
0
answers
Convert 1m 75cm = _____ cm
olympiad
cbse
class3
math
t3
q3
asked
Aug 14, 2017
by
priyanka.c
0
answers
Harish wrote the number sentence below :
olympiad
cbsc
class3
math
t1
q3
asked
Aug 11, 2017
by
priyanka.c
1
answer
Ajay wants to stick 20 smileys on his notebook? What is the way he can put the smileys on his notebook
olympiad
cbse
class3
math
t2
q3
asked
Aug 4, 2017
by
priyanka.c
0
answers
A 4.5 cm needle is placed away from a convex mirror of focal length 15 cm . give the location of the image and the magnification .
cbse
class12
physics
ch-9
sec-b
q3
ncert
medium
asked
Feb 10, 2016
by
meena.p
1
answer
A long straight wire carries a current of $35\;A$ what is the magnitude of the field B at a point $20\;cm$ away from the wire ?
cbse
class12
physics
ch-4
sec-b
q3
ncert
medium
asked
Jul 22, 2015
by
meena.p
1
answer
If you made a map of magnetic field line at Melbourne in Australian, would the line seem to go into the ground or come out the ground ?
cbse
class12
physics
ch-5
sec-a
q3
ncert
easy
asked
Jul 9, 2015
by
meena.p
1
answer
Is Ohm's law universally applicable for all conducting element ? If not give example of elements which do not obey Ohm's law.
cbse
class12
physics
ch-3
sec-a
q3
easy
asked
Jun 29, 2015
by
meena.p
1
answer
Name the physical quantity whose $S.I$ unit is $JC^{-1}$. Is it a scalar or a vector quantity.
cbse
class12
physics
ch-1
sec-a
q3
easy
asked
Apr 21, 2015
by
meena.p
1
answer
Solve the inequality $-3 \leq 4 - \large\frac{7x}{2} $$ \leq 18$
cbse
math
class11
ch6
linear-inequalities
misc
q3
asked
Aug 1, 2014
by
meena.p
1
answer
Using X-rays of wavelength 154.1pm and starting from the glancing angle,the reflection from silver crystal was found to occur at $\theta=22.20^{\large\circ}$.Calculate the spacing between the planes of Ag atoms that gave rise to the above reflection.($\sin 22.20^{\large\circ}=0.3778$)
cbse
class12
chemistry
ch1
states-of-matter
solid-state
sec-a
easy
additionalproblem
q3
asked
Jul 31, 2014
by
sreemathi.v
1
answer
Which of the following steels does not contain carbon ?
jeemain
chemistry
inorganic-chemistry
class12
ch8
d-and-f-block-elements
important-compounds
easy
q3
asked
Jul 31, 2014
by
thanvigandhi_1
1
answer
Solve the following system of inequalities graphically $2x +y \geq 6; 3x +4y \leq 12$
cbse
math
class11
ch6
linear-inequalities
exercise6-3
q3
asked
Jul 30, 2014
by
meena.p
1
answer
Solve the given inequality graphically in two- dimensional plane $3x+4y \leq 12$
cbse
math
class11
ch6
linear-inequalities
exercise6-2
q3
asked
Jul 29, 2014
by
meena.p
1
answer
Show that the statement "If $x$ is an integer and $x^2$ is even, then $x$ is also even." using contrapositive method.
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise14-5
sec-b
easy
q3
asked
Jul 26, 2014
by
rvidyagovindarajan_1
1
answer
Solve $5 x-3 < 7 $ when (i) x is an integer (ii) x is a real number
cbse
math
class11
ch6
linear-inequalities
exercise6-1
q3
asked
Jul 25, 2014
by
meena.p
1
answer
The atomic number of indium which belongs to 5th period is
jeemain
chemistry
inorganic-chemistry
class11
ch11
p-block-elements
group-13
boron-family
easy
q3
asked
Jul 24, 2014
by
thanvigandhi_1
1
answer
The cable of a uniformly loaded suspension bridge hangs in the form of a parabola. The roadway which is horizontal and 100 m long is supported by vertical wires attached to the cable, the longest wire being 30 m and the shortest being 6 m. Find the length of a supporting wire attached to the roadway 18 m from the middle.
cbse
class11
ch11
conic-sections
bookproblem
sec-c
difficult
misc
p264
q3
asked
Jul 23, 2014
by
thanvigandhi_1
1
answer
Find the coordinates of the foci and the vertices, the eccentricity and the length of the latus rectum of the hyperbolas : $9y^2–4x^2= 36$
cbse
class11
ch11
conic-sections
bookproblem
sec-c
easy
exercise11-4
p262
q3
asked
Jul 19, 2014
by
thanvigandhi_1
1
answer
Check whether the two statements given are negation of each other or not. Give reason " $p: x+y=y+x$ is true for every real number $x\:\:and\:\:y$. $q:$ There exists real numbers $x\:\:and\:\:y$ for which $x+y=y+x$.
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise14-3
sec-a
easy
q3
asked
Jul 16, 2014
by
rvidyagovindarajan_1
1
answer
Find the coordinates of the foci, the vertices, the length of major axis, the minor axis, the eccentricity and the length of the latus rectum of the ellipse : $ \large\frac{x^2}{16}$$ +\large\frac{y^2}{9}$$=1$
cbse
class11
ch11
conic-sections
bookproblem
sec-c
easy
exercise11-3
p255
q3
asked
Jul 15, 2014
by
thanvigandhi_1
1
answer
Find the coordinates of the focus, axis of the parabola, the equation of the directrix and the length of the latus rectum for the following : $ y^2=-8x$
cbse
class11
ch11
conic-sections
bookproblem
sec-b
easy
exercise11-2
p246
q3
asked
Jul 14, 2014
by
thanvigandhi_1
1
answer
Find the equation of the circle with centre $ \bigg( \large\frac{1}{2}$$, \large\frac{1}{4} \bigg)$ and radius $ \large\frac{1}{12}$
cbse
class11
ch11
conic-sections
bookproblem
sec-a
medium
exercise11-1
p241
q3
asked
Jul 11, 2014
by
thanvigandhi_1
1
answer
Prove that \[ 2sin^{-1} \frac{3}{5} = tan^{-1} \frac{24}{7} \]
cl1449
cbse
class12
bookproblem
ch2
misc
q3
p51
medium
sec-b
math
asked
Jul 9, 2014
by
balaji.thirumalai
1
answer
Suppose an integer from 1 through 1000 is chosen at random,find the probability that the integer is a multiple of 2 or a multiple of 9.
cbse
math
class11
ch16
probability
exemplar
q3
sec-b
medium
asked
Jul 7, 2014
by
sreemathi.v
1
answer
The mean and standard deviation of some data for the time taken to complete a test are calculated with the following results:Number of observations =$25$,mean =$18.2$ seconds, standard deviation $=3.25$ seconds. Further another set of $15$ observations $x_1,x_2,......x_5$ also in seconds is now available and we have $\sum\limits_{i=1} ^{15}x_i =279$ and $\sum \limits_{i=1} ^{15} x_i^2 =5524$Calculate the standard deviation based on all $40$ observations
cbse
math
class11
ch15
statistics
exemplar
q3
sec-a
medium
asked
Jul 3, 2014
by
meena.p
1
answer
The mean and standard deviation of six observations are $8$ and $4$ respectively. If each observation is multiplied by $3$, find the new mean and new standard deviation of the resulting observation.
cbse
math
class11
ch15
statistics
misc
q3
sec-c
medium
asked
Jul 1, 2014
by
meena.p
1
answer
An analysis of monthly wages paid to workers in two firms A and B , belonging to the same industry, gives the following results. (i) Which firm A and B pays larger amount as monthly wages. (ii) which firm A or B shows greater variability in individual wages?
cbse
math
class11
ch15
statistics
exercise16-3
q3
sec-c
medium
asked
Jul 1, 2014
by
meena.p
1
answer
Find the angle between the lines $y = (2 – \sqrt3 ) (x + 5)$ and $y = (2 + \sqrt3 ) (x – 7).$
cbse
math
class11
ch10
straight-lines
exemplar
short-answer-type-question
sec-b
medium
q3
asked
Jun 30, 2014
by
thanvigandhi_1
1
answer
An experiment involves rolling a pair of dice and recording the numbers that come up.Describe the following events : A : The sum is greater than 8,B : 2 occurs on either die,C : The sum is atleast 7 and multiple of 3.Which pairs of these events are mutually exclusive ?
cbse
math
class11
ch16
probability
bookproblem
exercise16-1
q3
sec-b
medium
asked
Jun 27, 2014
by
sreemathi.v
1
answer
Find first 10 multiples of 3
cbse
math
class11
ch15
statistics
exercise15-2
q3
sec-b
easy
asked
Jun 27, 2014
by
meena.p
1
answer
Describe the sample space for the indicated experiment : A coin is tossed four times
cbse
math
class11
ch16
probability
bookproblem
exercise16-1
q3
sec-a
easy
asked
Jun 26, 2014
by
sreemathi.v
1
answer
Find the mean deviation about the mean for the data $13,17,16,14,11,13,10,16,11,18,12,17$
cbse
math
class11
ch15
statistics
exercise15-1
q3
sec-a
easy
asked
Jun 25, 2014
by
meena.p
1
answer
The coefficient if $x^n$ in the expansion of $(1+x+x^2+...)^{-n}$ is
cbse
math
class11
ch8
binomial-theorem
additionalproblem
q3
sec-a
easy
asked
Jun 25, 2014
by
sreemathi.v
1
answer
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