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Recent questions tagged q13
ASK
Find out the total number of mathematical shapes in the following figure
cbse
class4
olympiad
math
t3
q13
asked
1 day
ago
by
priyanka.c
0
answers
Find the value of the following expression <br> (59856 – 24632)+(57864 – 34231) <br> 35224 +23633
cbse
class4
olympiad
math
t2
q13
asked
Sep 21
by
priyanka.c
0
answers
Find the value of following expression <br> DCCLXIII + CDXXXIX =
cbse
class4
olympiad
math
t1
q13
asked
Sep 18
by
priyanka.c
0
answers
olympiad
cbse
class3
math
t4
q13
asked
Sep 7
by
priyanka.c
0
answers
If $'+'$ means $'\times',\; '-' $ means $\;'÷'\; '\times'$ means c asscxx $'-'$ and $' '$ means $'+'$, then $9 + 8 ÷ 8 - 4 \times 9 = ?$
olympiad
cbse
class3
math
t5
q13
asked
Sep 1
by
priyanka.c
0
answers
Write the following expression in expanded from 34879 + 5480 = 40,359
olympiad
cbse
class3
math
t3
q13
asked
Aug 16
by
priyanka.c
0
answers
Naren had 46 balloons. 12 balloons were filled with water and 7 balloon were filled with some color papers in that. What is the number of balloons left out?
olympiad
cbse
class3
math
t2
q13
asked
Aug 4
by
priyanka.c
0
answers
Harini need 3 meters cloth to stitch her dress. But Sanjay need only 2 meters. The cloth is available to stitch 6 dresses for Sanjay. Then how many dresses can be stitched by Harini by this cloth?
olympiad
cbsc
class3
math
t1
q13
asked
Aug 4
by
priyanka.c
0
answers
A closely ward solenoid $80\;cm$ long has $ 5$ layers of winding of 400 turns each.The diameter of the solenoid is $1.8 \;cm$ . If the current carried is $8.0\;A$ , estimate the magnitude of B inside the solenoid near its center .
cbse
class12
physics
ch-4
sec-b
q13
ncert
difficult
asked
Jul 23, 2015
by
meena.p
1
answer
Two long and parallel straight wires A and B carrying currents of $8.0\;A$ and $5.0 \;A$ same direction are separated by a distance of $4.0\;cm$ . Estimate the force on a $10\;cm$ section of wire A?
cbse
class12
physics
ch-4
sec-b
q13
ncert
easy
asked
Jul 23, 2015
by
meena.p
1
answer
A short bar magnet with its axis at $30^{\circ}$ with a uniform external magnetic field of $0.25\;T$ experiences a forque a magnitude equal to $4.5 \times 10^{-2}\;J$ What is the magnitude of magnetic moment of the magnet?
cbse
class12
physics
ch-5
sec-a
q13
ncert
medium
asked
Jul 10, 2015
by
meena.p
1
answer
Alloys of metals have greater / lesser resistivity than that of their constituent metal?
cbse
class12
physics
ch-3
sec-a
q13
easy
asked
Jun 29, 2015
by
meena.p
1
answer
What is the change on $Cu^{++}$
cbse
class12
physics
ch-1
sec-a
q13
medium
asked
Apr 21, 2015
by
meena.p
1
answer
If the eccentricity of an ellipse is $\large\frac{5}{8}$ and the distance between its foci is 10, then find latus rectum of the ellipse.
cbse
class11
math
conic-sections
ellipse
exemplar
sec-b
medium
q13
asked
Oct 9, 2014
by
sreemathi.v
1
answer
The freezing point of 0.02mole fraction solution of acetic acid in benzene is 277.4K.Assuming molality equal to molarity,calculate $K_c$ for the equilibrium reaction $2CH_3COOH \;\;\leftrightharpoons\;\;(CH_3COOH)_2$.
cbse
class12
chemistry
ch2
solutions
sec-c
difficult
additionalproblem
q13
asked
Aug 6, 2014
by
sreemathi.v
1
answer
How many liters of water will have to be added to $1125$ liters of the $45\%$ solution of acid so that the resulting mixture will contain more than $25 \%$ but less than $30\%$ acid content ?
cbse
math
class11
ch6
linear-inequalities
misc
q13
asked
Aug 5, 2014
by
meena.p
1
answer
The unit cell in a crystal of diamond belongs to a cubic crystal system but doesn't correspond to the Bravais lattice.The volume of unit cell of diamond is $0.0454nm^3$ and the density of diamond is $3.52g/cc$.Find the number of carbon atoms in a unit cell of diamond?
cbse
class12
chemistry
ch1
states-of-matter
solid-state
sec-b
medium
additionalproblem
q13
asked
Aug 1, 2014
by
sreemathi.v
1
answer
Solve the system of inequalities graphically $4x+3y \leq 60 ; y \geq 2x; x \geq 3 ; x,y \geq 0 $
cbse
math
class11
ch6
linear-inequalities
exercise6-3
q13
asked
Jul 31, 2014
by
meena.p
1
answer
Solve the inequality for real $x: 2(2x+3) -10 < 6(x-2)$
cbse
math
class11
ch6
linear-inequalities
exercise6-1
q13
asked
Jul 25, 2014
by
meena.p
1
answer
Which of the following facts regarding boron and silicon is not true ?
jeemain
chemistry
inorganic-chemistry
class11
ch11
p-block-elements
group-13
boron-family
medium
q13
asked
Jul 25, 2014
by
thanvigandhi_1
1
answer
Find the equations of the hyperbola satisfying the given conditions : Foci $(\pm 4, 0)$, the latus rectum is of length $12$
cbse
class11
ch11
conic-sections
bookproblem
sec-b
medium
exercise11-4
p262
q13
asked
Jul 21, 2014
by
thanvigandhi_1
1
answer
Find the equation for the ellipse that satisfies the given conditions : Ends of major axis $(\pm 3, 0)$ , ends of minor axis $(0, \pm 2)$
cbse
class11
ch11
conic-sections
bookproblem
sec-a
easy
exercise11-3
p255
q13
asked
Jul 18, 2014
by
thanvigandhi_1
1
answer
Find the equation of the circle passing through $(0,0)$ and making intercepts a and b on the coordinate axes.
cbse
class11
ch11
conic-sections
bookproblem
sec-c
difficult
exercise11-1
p241
q13
asked
Jul 13, 2014
by
thanvigandhi_1
1
answer
Mean and standard deviation of 100 items are 50 and 4 , respectively . find the sum of all items and sum of the squares of the items.
cbse
math
class11
ch15
statistics
exemplar
q13
sec-b
medium
asked
Jul 4, 2014
by
meena.p
1
answer
If the equation of the base of an equilateral triangle is x + y = 2 and the vertex is (2, – 1), then find the length of the side of the triangle \[\] [Hint: Find length of perpendicular (p) from (2, – 1) to the line and use $p = l \: \sin 60^{\circ}$, where $l$ is the length of side of the triangle]
cbse
math
class11
ch10
straight-lines
exemplar
long-answer-type-question
sec-b
medium
q13
asked
Jul 1, 2014
by
thanvigandhi_1
1
answer
The numbers 1,2,3 and 4 are written separately on four slips of paper.The slips are put in a box and mixed thoroughly.A person draws two slips from the box,one after the other,without replacement.Describe the sample space for the experiment
cbse
math
class11
ch16
probability
bookproblem
exercise16-1
q13
sec-a
easy
asked
Jun 26, 2014
by
sreemathi.v
1
answer
If the coefficient of $x^7$ in the expansion of $(a^2x+b^{-1}x^{-1})^{11}$ is equal to the coefficient of $x^{-7}$ in $(ax-b^{-1}x^{-2})^{11}$ then $ab=$
cbse
math
class11
ch8
binomial-theorem
additionalproblem
q13
sec-c
difficult
asked
Jun 25, 2014
by
sreemathi.v
1
answer
Show that the middle term in the expansion of $(x-\large\frac{1}{x})^{2n}$ is $\large\frac{1\times 3\times 5\times..... (2n-1)}{n!}$$\times (-2)^n$
cbse
math
class11
ch8
binomial-theorem
exemplar
q13
sec-c
difficult
asked
Jun 24, 2014
by
sreemathi.v
1
answer
Show that $9^{n+1}-8n-9$ is divisible by 64 whenever n is a positive integer.
cbse
math
class11
ch8
binomial-theorem
exercise8.1
q13
sec-c
difficult
asked
Jun 23, 2014
by
sreemathi.v
1
answer
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