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Recent questions tagged q6
ASK
A train runs for 4 hours at a speed of 75 km per hour and the next 3 hours at a speed of 55 per hour. Find the average speed of the train for the 7 hours journey.
cbse
class4
olympiad
math
t3
q6
asked
12 hours
ago
by
priyanka.c
0
answers
If 3 + 3= 27, 2 + 3 = 6 what is 2 + 2
cbse
class4
olympiad
math
t2
q6
asked
Sep 20
by
priyanka.c
0
answers
A doll in a shop costed Rs. 736.50 paise. Shyam paid the shopkeeper Rs 1000. How much change did shyam get from the shopkeeper ?
cbse
class4
olympiad
math
t1
q6
asked
Sep 18
by
priyanka.c
1
answer
Write the following roman numeral in ascending order $(V + VI), (XII + III), (IX + V), (II + IV), (VIII + IX), (VI + IV)$
olympiad
cbse
class3
math
t5
q6
asked
Sep 1
by
priyanka.c
0
answers
There are 50 desks in a class. In each desk one girl and 2 boys are made to sit. Two out of 50 desks has only boys and 3 out of 50 desk has only 3 girls each. Find out the number of boys and girls respectively.
olympiad
cbse
class3
math
t4
q6
asked
Aug 31
by
priyanka.c
0
answers
How is the following image transformed
olympiad
cbse
class3
math
t3
q6
asked
Aug 16
by
priyanka.c
0
answers
Which number sentence matches the pattern below
olympiad
cbse
class3
math
t2
q6
asked
Aug 7
by
priyanka.c
0
answers
Complete the series 3, 4, 7, 11, 18......?
olympiad
cbsc
class3
math
t1
q6
asked
Aug 4
by
priyanka.c
0
answers
A tank is filled with water to a height of 12.5 cm . What will be apparent depth if the refractive index to the mirror , how would the screen have to be moved ?
cbse
class12
physics
ch-9
sec-a
q6
ncert
medium
asked
Feb 10, 2016
by
meena.p
1
answer
A long straight wire in the horizontal plane carries a current of $50\;A$ in north to south direction .What is the direction of B at a point $2.5\;m$ east of the wire ?
cbse
class12
physics
ch-4
sec-a
q6
ncert
medium
asked
Jul 22, 2015
by
meena.p
1
answer
Geologist claim that besides the main magnetic N-S poles, there are several local poles on the earth's surface oriented in different direction . How is such a thing possible at all ?
cbse
class12
physics
ch-5
sec-a
q6
ncert
easy
asked
Jul 9, 2015
by
meena.p
1
answer
Given the resistance of $1 \Omega, 2 \Omega,3 \Omega$ how will you combine thus to get , an equivalent resistance of $(i) \large\frac{11}{3}$$\Omega \qquad (ii) \large\frac{6}{11}$$\Omega \qquad (iii) \large\frac{11}{5}$$\Omega \qquad (iv) 6 \Omega? $
cbse
class12
physics
ch-3
sec-a
q6
easy
asked
Jun 29, 2015
by
meena.p
1
answer
A point charge Q is placed at point O as shown in the fig. Is the potential difference $V_A - V_B $ positive ? negative or zero, if Q is (i) Positive (ii) negative
cbse
class12
physics
ch-1
sec-a
q6
medium
asked
Apr 21, 2015
by
meena.p
1
answer
Find the equation of a circle which touches both the axes and the line $3x-4y+8=0$ and lies in the third quadrant.
cbse
class11
math
conic-sections
circle
exemplar
sec-b
medium
q6
asked
Oct 8, 2014
by
sreemathi.v
1
answer
The Henry's law constant for oxygen dissolved in water is $4.34\times 10^4$ atm at $25^{\large\circ}$C.If the partial pressure of oxygen in air is 0.2atm,under atmospheric conditions,calculate the concentration (in moles per litre) of dissolve oxygen in water in equilibrium with air at $25^{\large\circ}$C.
cbse
class12
chemistry
ch2
solutions
sec-c
easy
additionalproblem
q6
asked
Aug 6, 2014
by
sreemathi.v
1
answer
Solve the inequality $7 \;\leq \large\frac{3x+11}{2} $$ \leq 2$
cbse
math
class11
ch6
linear-inequalities
misc
q6
asked
Aug 4, 2014
by
meena.p
1
answer
Solve the inequality $7 \leq \large\frac{(3x+11)}{2} \leq 11$
cbse
math
class11
ch6
linear-inequalities
misc
q6
asked
Aug 1, 2014
by
meena.p
1
answer
A metal of density $7.5\times 10^3kgm^{-3}$ has an fcc crystal structure with lattice parameter $a=400$pm.Calculate the number of unit cells present in 0.015kg of the metal
cbse
class12
chemistry
ch1
states-of-matter
solid-state
sec-b
medium
additionalproblem
q6
asked
Aug 1, 2014
by
sreemathi.v
1
answer
Solve the system of inequalities graphically $x +y \leq 5;x+y \geq 4$
cbse
math
class11
ch6
linear-inequalities
exercise6-3
q6
asked
Jul 31, 2014
by
meena.p
1
answer
Solve the given inequality graphically in two dimensional plane . $2x -3y > 6$
cbse
math
class11
ch6
linear-inequalities
exercise6-2
q6
asked
Jul 30, 2014
by
meena.p
1
answer
Solve the inequality for real $x: 3x-7 > 4x -5$
cbse
math
class11
ch6
linear-inequalities
exercise6-1
q6
asked
Jul 25, 2014
by
meena.p
1
answer
Find the area of the triangle formed by the lines joining the vertex of the parabola $ x^2 = 12y $ to the ends of its latus rectum.
cbse
class11
ch11
conic-sections
bookproblem
sec-c
medium
misc
p264
q6
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 : $49y^2 – 16x^2 = 784$
cbse
class11
ch11
conic-sections
bookproblem
sec-c
medium
exercise11-4
p262
q6
asked
Jul 19, 2014
by
thanvigandhi_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}{100}$$+ \large\frac{y^2}{400}$$=1$
cbse
class11
ch11
conic-sections
bookproblem
sec-b
easy
exercise11-3
p255
q6
asked
Jul 16, 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 : $ x^2=-9y$
cbse
class11
ch11
conic-sections
bookproblem
sec-b
easy
exercise11-2
p246
q6
asked
Jul 14, 2014
by
thanvigandhi_1
1
answer
$(x+5)^2+(y-3)^2=36$ find the centre and radius of the circles.
cbse
class11
ch11
conic-sections
bookproblem
sec-a
easy
exercise11-1
p241
q6
asked
Jul 11, 2014
by
thanvigandhi_1
1
answer
In a large metropolitan area ,the probabilities are 0.87,0.36,0.30 that a family (randomly chosen for a sample survey) owns a colour television set,a black and white television set,or both kinds of sets.What is the probability that a family owns either anyone or both kinds of sets?
cbse
math
class11
ch16
probability
exemplar
q6
sec-b
difficult
asked
Jul 7, 2014
by
sreemathi.v
1
answer
Three letters are dictated to three persons and an envelope is addressed to each of them,the letters are inserted into the envelopes at random so that each envelope contains exactly one letter.Find the probability that at least one letter is in its proper envelope.
cbse
math
class11
ch16
probability
bookproblem
misc
q6
sec-c
difficult
asked
Jul 2, 2014
by
sreemathi.v
1
answer
The mean and standard deviation of marks obtained by 50 students of a class in three subjects , mathematics, physics and chemistry are given below:Which of these three subjects shows the highest variability in marks and shows the lowest?
cbse
math
class11
ch15
statistics
misc
q6
sec-c
medium
asked
Jul 2, 2014
by
meena.p
1
answer
Show that the tangent of an angle between the lines $ \large\frac{x}{a}$$+\large\frac{y}{b}$$=1$ and $ \large\frac{x}{a}$$-\large\frac{y}{b}$$=1$ is $ \large\frac{2ab}{a^2-b^2}$
cbse
math
class11
ch10
straight-lines
exemplar
short-answer-type-question
sec-b
medium
q6
asked
Jun 30, 2014
by
thanvigandhi_1
1
answer
There are four men and six women on the city council.If one council member is selected for a committee at random,how likely is it that it is a woman ?
cbse
math
class11
ch16
probability
bookproblem
exercise16-3
q6
sec-b
easy
asked
Jun 30, 2014
by
sreemathi.v
1
answer
Find mean and standard deviation using short - cut method.
cbse
math
class11
ch15
statistics
exercise15-2
q6
sec-b
medium
asked
Jun 27, 2014
by
meena.p
1
answer
2 boys and 2 girls are in room x,and 1 boy and 3 girls in room y.Specify the sample space for the experiment in which a room is selected and then a person.
cbse
math
class11
ch16
probability
bookproblem
exercise16-1
q6
sec-a
easy
asked
Jun 26, 2014
by
sreemathi.v
1
answer
Find the mean deviation about the mean for data : $x_i :10,30,50,70,90 \qquad f_i : 4,24,28,16,8$
cbse
math
class11
ch15
statistics
exercise15-1
q6
sec-b
easy
asked
Jun 25, 2014
by
meena.p
1
answer
The power of x occuring in the $7^{th}$ term in the expansion of $\big(\large\frac{4x}{5}-\frac{8}{5x}\big)^9$ is
cbse
math
class11
ch8
binomial-theorem
additionalproblem
q6
sec-b
medium
asked
Jun 25, 2014
by
sreemathi.v
1
answer
Find the coefficient of $x^{15}$ in the expression of $(x-x^2)^{10}$
cbse
math
class11
ch8
binomial-theorem
exemplar
q6
sec-c
difficult
asked
Jun 24, 2014
by
sreemathi.v
1
answer
Find the value of $(a^2+\sqrt{a^2-1})^4+(a^2-\sqrt{a^2-1})^4$
cbse
math
class11
ch8
binomial-theorem
misc
q6
sec-c
difficult
asked
Jun 24, 2014
by
sreemathi.v
1
answer
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