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Recent questions tagged q7
Questions
Evaluate $[834794 + 235475] - [56 \times 7] + [3454 - 790]$
cbse
class4
olympiad
math
t5
q7
asked
Oct 19, 2017
by
priyanka.c
0
answers
For protecting a magnetic needle it should be placed :
neet
1998
physics
past paper
t1
q7
asked
Oct 8, 2017
by
priyanka.c
0
answers
One end of string of length I is connected to a particle of mass 'nf and the other end is connected to a small peg on a smooth horizontal table. If the particle moves in circle with speed 'u', the net force on the particle (directed towards center) will be ([ represents the tension in the string)
neet
2017
physics
past paper
t1
q7
asked
Oct 7, 2017
by
meena.p
0
answers
Write the value of expression in roman numeral <br> 286 + CLXIX =
cbse
class4
olympiad
math
t4
q7
asked
Oct 2, 2017
by
priyanka.c
0
answers
How much time will be taken to cover 20 m at a speed of 20 cm per second?
cbse
class4
olympiad
math
t3
q7
asked
Sep 25, 2017
by
priyanka.c
0
answers
Find the missing number in the following figure.
cbse
class4
olympiad
math
t2
q7
asked
Sep 20, 2017
by
priyanka.c
1
answer
There are 7 yellow balls, 4 green balls, 3 red balls and 6 blue balls. If a ball is selected at random what is the probability that it i not a blue ball?
cbse
class4
olympiad
math
t1
q7
asked
Sep 18, 2017
by
priyanka.c
0
answers
If we write the numbers from 1 to 35 how many times we will get the number 4?
olympiad
cbse
class3
math
t5
q7
asked
Sep 1, 2017
by
priyanka.c
0
answers
Raju distributes 510 toffees among his classmate on his birthday. Each classmate gets 15 toffees. How many classmates are there?
olympiad
cbse
class3
math
t4
q7
asked
Aug 31, 2017
by
priyanka.c
0
answers
Fill in the following pattern <br> ____ + 8 = 13 <br> 50 + ____ = 130 <br> 500 + 800 = ____
olympiad
cbse
class3
math
t3
q7
asked
Aug 14, 2017
by
priyanka.c
0
answers
How many squares are there in the picture below?
olympiad
cbsc
class3
math
t1
q7
asked
Aug 11, 2017
by
priyanka.c
0
answers
How many straight lines and how many curves does the figure has
olympiad
cbse
class3
math
t2
q7
asked
Aug 7, 2017
by
priyanka.c
0
answers
A horizontal overhead power line carries a current of $90A$ in east to west direction . What is the magnitude of the magnetic field due to the current $1.5 m$ below the line .
cbse
class12
physics
ch-4
sec-b
q7
ncert
medium
asked
Jul 22, 2015
by
meena.p
1
answer
The earth's magnetic field from point to point in space . Does it also charge with time ? If so on what time scale does it change appreciably ?
cbse
class12
physics
ch-5
sec-a
q7
ncert
easy
asked
Jul 9, 2015
by
meena.p
1
answer
Determine the equivalent resistors of the network shown :
cbse
class12
physics
ch-3
sec-b
q7
medium
asked
Jul 6, 2015
by
meena.p
1
answer
Consider the situation shown in the figure be what are the signs of $q_1$ and $q_2$ ?
cbse
class12
physics
ch-1
sec-a
q7
medium
asked
Apr 21, 2015
by
meena.p
1
answer
If one end of a diameter of the circle $x^2+y^2-4x-6y+11=0$ is $(3,4)$,then find the coordinate of the other end of the diameter.
cbse
class11
math
conic-sections
circle
exemplar
sec-b
medium
q7
asked
Oct 8, 2014
by
sreemathi.v
1
answer
A 5% solution (wt/volume) of cane sugar is isotonic with 0.877% (wt/volume) of urea solution.Find the molecular weight of urea,if molecular weight of sugar is 342.
cbse
class12
chemistry
ch2
solutions
sec-b
easy
additionalproblem
q7
asked
Aug 6, 2014
by
sreemathi.v
1
answer
Solve the inequality and represent the solution graphically on number line . $5x + 1 > -24; 5x -1 < 24$
cbse
math
class11
ch6
linear-inequalities
misc
q7
asked
Aug 4, 2014
by
meena.p
1
answer
Iron crystallizes in a bcc system with a lattice parameter of $2.861A^{\large\circ}$.Calculate the density of iron in the bcc system.(Given : Atomic weight of $Fe=56,N=6.023\times 10^{23}mol^{-1}$)
cbse
class12
chemistry
ch1
states-of-matter
solid-state
sec-a
medium
additionalproblem
q7
asked
Aug 1, 2014
by
sreemathi.v
1
answer
Solve the following system of inequalities graphically $2x+y \geq 8; x+2y \geq 10$
cbse
math
class11
ch6
linear-inequalities
exercise6-3
q7
asked
Jul 31, 2014
by
meena.p
1
answer
Solve the given inequality graphically in two -dimensional plane. $-3x+2y \geq -6$
cbse
math
class11
ch6
linear-inequalities
exercise6-2
q7
asked
Jul 30, 2014
by
meena.p
1
answer
Solve the inequality for real $x 3(x-1) \leq 2(x-3)$
cbse
math
class11
ch6
linear-inequalities
exercise6-1
q7
asked
Jul 25, 2014
by
meena.p
1
answer
Which of the following statements is not correct ?
jeemain
chemistry
inorganic-chemistry
class11
ch11
p-block-elements
group-13
boron-family
easy
q7
asked
Jul 24, 2014
by
thanvigandhi_1
1
answer
A man running a racecourse notes that the sum of the distances from the two flag posts from him is always 10 m and the distance between the flag posts is 8 m. Find the equation of the posts traced by the man.
cbse
class11
ch11
conic-sections
bookproblem
sec-c
medium
misc
p264
q7
asked
Jul 24, 2014
by
thanvigandhi_1
1
answer
Find the equations of the hyperbola satisfying the given conditions : Vertices $(\pm 2, 0),$ foci $(\pm 3, 0)$
cbse
class11
ch11
conic-sections
bookproblem
sec-a
easy
exercise11-4
p262
q7
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 : $ 36x^2 + 4y^2 = 144$
cbse
class11
ch11
conic-sections
bookproblem
sec-c
easy
exercise11-3
p255
q7
asked
Jul 16, 2014
by
thanvigandhi_1
1
answer
Find the equation of the parabola that satisfies the given conditions : Focus (6,0); directrix x = – 6
cbse
class11
ch11
conic-sections
bookproblem
sec-a
easy
exercise11-2
p247
q7
asked
Jul 14, 2014
by
thanvigandhi_1
1
answer
$x^2+ y^2– 4x–8y–45=0$ find the centre and radius of the circles.
cbse
class11
ch11
conic-sections
bookproblem
sec-a
medium
exercise11-1
p241
q7
asked
Jul 11, 2014
by
thanvigandhi_1
1
answer
The mean and standard deviation of a group of 100 observations were found to be 20 and 3, respectively . Later on it was found that three observations were incorrect. Which are recorded by 21,21, and 18 . Find the mean and standard deviation, if the incorrect observations are omitted.
cbse
math
class11
ch15
statistics
misc
q7
sec-b
difficult
asked
Jul 2, 2014
by
meena.p
1
answer
Find the equation of lines passing through (1, 2) and making angle $30^{\circ}$ with $y$ - axis.
cbse
math
class11
ch10
straight-lines
exemplar
short-answer-type-question
seca
medium
q7
asked
Jul 1, 2014
by
thanvigandhi_1
1
answer
A fair coin is tossed four times and a person win Rs.1 for each head and lose Rs.1.50 for each tail that turns up.From the sample space,calculate how many different amounts of money you can have after four tosses and the probability of having each of these amounts.
cbse
math
class11
ch16
probability
bookproblem
exercise16-3
q7
sec-c
difficult
asked
Jul 1, 2014
by
sreemathi.v
1
answer
Find mean and variance for the following frequency distribution :
cbse
math
class11
ch15
statistics
exercise15-2
q7
sec-c
easy
asked
Jun 27, 2014
by
meena.p
1
answer
One die of red colour,one of white colour and one of blue colour are placed in a bag,one die is selected at random and rolled,its colour and the number on its uppermost face is noted.Describe the sample space.
cbse
math
class11
ch16
probability
bookproblem
exercise16-1
q7
sec-b
medium
asked
Jun 26, 2014
by
sreemathi.v
1
answer
Find the mean deviation about the mean for data : $x_i :5,7,9,10,12,15 \qquad f_i : 8,6,2,2,2,6$
cbse
math
class11
ch15
statistics
exercise15-1
q7
sec-b
easy
asked
Jun 25, 2014
by
meena.p
1
answer
The co-efficient of $x$ in the expansion of $(x^2+\large\frac{\lambda}{x})^2$ is
cbse
math
class11
ch8
binomial-theorem
additionalproblem
q7
sec-b
medium
asked
Jun 25, 2014
by
sreemathi.v
1
answer
Find the coefficient of $\large\frac{1}{x^{17}}$ in the expansion of $(x^4-\large\frac{1}{x^3})^{15}$
cbse
math
class11
ch8
binomial-theorem
exemplar
q7
sec-c
difficult
asked
Jun 24, 2014
by
sreemathi.v
1
answer
Find an approximation of $(0.99)^5$ using the first three terms of its expansion.
cbse
math
class11
ch8
binomial-theorem
misc
q7
sec-b
medium
asked
Jun 24, 2014
by
sreemathi.v
1
answer
Find the middle term in the expansion of $(3-\large\frac{x^3}{6})^7$
cbse
math
class11
ch8
binomial-theorem
exercise8.2
q7
sec-c
difficult
asked
Jun 23, 2014
by
sreemathi.v
1
answer
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