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Recent questions tagged q23
ASK
A spring of force constant k is cut into lengths of ratio $I : 2 :3$ . They are connected in series and the, new force constant is 'K'.- Then they are connected is parallel and force constant is k". Then k, : k, is
neet
2017
physics
past paper
t1
q23
asked
Oct 25, 2017
by
meena.p
0
answers
Find the breadth of the rectangular plot of land whose area is 660 $m^2$ and whose length is 33 m. Find its perimeter.
cbse
class4
olympiad
math
t5
q23
asked
Oct 21, 2017
by
priyanka.c
0
answers
Two coil have a mutual inductance 0.005 H. The current changes in first coil according to equation $I = I_0 \sin \omega t $ where $I_0 = 2A$ and $\omega = 100 \pi\; rad/sec$. The maximum value of emf in second coil is
neet
1998
physics
past paper
t1
q23
asked
Oct 9, 2017
by
priyanka.c
1
answer
ESTIMATE the sum by rounding of each number to nearest $\frac{10}{100}$ and rounding off to nearest value <br> 73 + 123 =
cbse
class4
olympiad
math
t4
q23
asked
Oct 3, 2017
by
priyanka.c
0
answers
Order from greatest to least the number <br> 9,239,999 | 9,932,999 | 99,111,222 | 9,329,999
cbse
class4
olympiad
math
t3
q23
asked
Sep 26, 2017
by
priyanka.c
0
answers
In a forest there 52 apple trees which gives 100 apples per tree, 67 mango trees which gives 85 mangoes per tree and 75 orange trees which gives 125 oranges per tree. In a forest fire 7 apple trees, 6 orange trees and 125 mangoes got damaged. What is the final total number of fruits? <br> 20270 1575
cbse
class4
olympiad
math
t2
q23
asked
Sep 21, 2017
by
priyanka.c
0
answers
Sheela started to dance class at certain time. She reached the place at 5:30 pm. Travel time from her house to dance class is 45 minutes. She stopped at a shop to buy chocolates for 5 minutes. She met her friend Ajay on the way and was talking to him for 7 minutes. At what time she started from her house?
cbse
class4
olympiad
math
t1
q23
asked
Sep 18, 2017
by
priyanka.c
0
answers
How many triangles are there in above figure
olympiad
cbse
class3
math
t5
q23
asked
Sep 4, 2017
by
priyanka.c
0
answers
A hen laid 1 egg on Sunday, 2 eggs on Monday,3 eggs on Tuesday and so on it repeats the same pattern every week. How many eggs will it lay on $8^{th}$ day. When will it reach 87 eggs? Also mention the day of the week.
olympiad
cbse
class3
math
t4
q23
asked
Aug 31, 2017
by
priyanka.c
0
answers
Find out the descending order of roman number $IX, IV, VI, XII$ is
olympiad
cbse
class3
math
t3
q23
asked
Aug 15, 2017
by
priyanka.c
0
answers
The time is now quarter past 3Pm. What will be the time after 2 hours and 30 minutes
olympiad
cbse
class3
math
t2
q23
asked
Aug 7, 2017
by
priyanka.c
0
answers
A musical concert started at 9:30 am. The concert lasted for around 1 hour 50 minutes. There was an interval of about 25 minutes. What time did the concert end?
olympiad
cbsc
class3
math
t1
q23
asked
Aug 4, 2017
by
priyanka.c
0
answers
A circular coil of $30 $ turns and radius $8.0 \;cm$ carrying a current of $6.0 \;A$ is suspended vertically in a uniform horizontal magnetic field of magnitude $1.0 \;T$.The field lines makes an angle of $60^{\circ}$ with the normal of the coil. Calculate the magnetic of the counter torque that must be applied to prevent the coil from turning .
cbse
class12
physics
ch-4
sec-b
q23
ncert
medium
asked
Jul 24, 2015
by
meena.p
1
answer
A closely wound solenoid of $2000$ turns and area of cross section $1.6 \times 10^{-4}m^2$, carrying a current of $4.0\;A$ is suspended through its center allowing it to turn in a horizontal plane. What are the force and torque on the solenoid, if a uniform horizontal magnetic field of $7.5 \times 10^{-2}\;T$ is setup at an angle of $30^{\circ}$ with the axis of solenoid ?
cbse
class12
physics
ch-5
sec-a
q23
ncert
medium
asked
Jul 13, 2015
by
meena.p
1
answer
A carbon resistance is marked in red, green, and orange bands . What is the approximate resistance of the resistor ?
cbse
class12
physics
ch-3
sec-a
q23
medium
asked
Jun 29, 2015
by
meena.p
1
answer
Draw electrostatic field lines for a positive charge Q.
cbse
class12
physics
ch-1
sec-a
q23
easy
asked
Apr 22, 2015
by
meena.p
1
answer
If the lines $2x-3y=5$ and $3x-4y=7$ are the diameters of a circle of area 154 square units,then obtain the equation of the circle.
cbse
class11
math
conic-sections
circle
exemplar
sec-c
medium
q23
asked
Oct 13, 2014
by
sreemathi.v
1
answer
Two liquids A and B form ideal solution.At 300K,the vapour pressure of solution containing 1 mol of A and 3 mol of B is 550mm Hg.At the same temperature,if one more mole of B is added to this solution,the vapour pressure of the solution increases by 10mm Hg.Determine the vapour pressures of A and B in their pure states.
cbse
class12
chemistry
ch2
solutions
sec-b
easy
additionalproblem
q23
asked
Aug 7, 2014
by
sreemathi.v
1
answer
A sample of wustite $Fe_xO$ contains one Fe(III) for every three Fe(II).Calculate the value of $x$.
cbse
class12
chemistry
ch1
states-of-matter
solid-state
sec-b
medium
additionalproblem
q23
asked
Aug 1, 2014
by
sreemathi.v
1
answer
Find all pairs of consecutive odd positive integers both of which are smaller than 10 such that their sum is more than 11.
cbse
math
class11
ch6
linear-inequalities
exercise6-1
q23
asked
Jul 28, 2014
by
meena.p
1
answer
If A and B are mutually exclusive events,then
cbse
math
class11
ch16
probability
exemplar
q23
sec-a
easy
asked
Jul 9, 2014
by
sreemathi.v
1
answer
While calculating the mean and variance of $10$ readings, a student wrongly used the reading $52$ for the correct reading $25$, the obtained the mean and variance as $45$ and $16$ respectively . Find the correct mean and the variance.
cbse
math
class11
ch15
statistics
exemplar
q23
sec-c
medium
asked
Jul 7, 2014
by
meena.p
1
answer
Choose the correct answer from the given four options. Slope of a line which cuts off intercepts of equal lengths on the axes is
cbse
math
class11
ch10
straight-lines
exemplar
objective-type-question
sec-a
easy
q23
asked
Jul 3, 2014
by
thanvigandhi_1
1
answer
The least (positive) remainder when $17^{30}$ is divided by $5$ is
cbse
math
class11
ch8
binomial-theorem
additionalproblem
q23
sec-b
medium
asked
Jun 26, 2014
by
sreemathi.v
1
answer
If $A$ and $B$ are coefficient of $x^n$ in the expansion of $(1+x)^{2n}$ and $(1+x)^{2n-1}$ respectively then $A/B$ equals
cbse
math
class11
ch8
binomial-theorem
exemplar
q23
sec-b
medium
asked
Jun 25, 2014
by
sreemathi.v
1
answer
ABCD is a convex quadrilateral 3,4,5 and 6 points are marked on the sides AB,BC,CD and DA respectively.The number of triangles with vertices on different sides is
cbse
math
class11
ch7
permutations-and-combinations
additionalproblem
q23
sec-c
difficult
asked
Jun 20, 2014
by
sreemathi.v
1
answer
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