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Recent questions tagged q25
ASK
Annanya works in a company where she earns Rs 8750 pm. Her friend Siddhu earns twice as much as Annanya in same company. After 3 months Annanya salary is increased by Rs 2500. How much did Siddhu earn by the end of 6 months
cbse
class4
olympiad
math
t2
q25
asked
Sep 21
by
priyanka.c
0
answers
Find out the fraction for the shaded portion
cbse
class4
olympiad
math
t1
q25
asked
Sep 18
by
priyanka.c
0
answers
Calculate the number of seconds in 2 hours 20 minutes
olympiad
cbse
class3
math
t5
q25
asked
Sep 1
by
priyanka.c
0
answers
A cow gives 20 liter 500 milliliter milk at a time. The calf drinks 1 liter 300 milliliter 900 milliliter milk is wasted by the milkman. How much milk is left with the milkman?
olympiad
cbse
class3
math
t4
q25
asked
Aug 31
by
priyanka.c
0
answers
24 hours in 12 hour clock time is
olympiad
cbse
class3
math
t3
q25
asked
Aug 15
by
priyanka.c
0
answers
olympiad
cbse
class3
math
t2
q25
asked
Aug 10
by
priyanka.c
0
answers
Three types of spacecraft can be used to reach moon. Spacecraft A weighs 12000 kg heavier than spacecraft B. Spacecraft C weighs 45000 kg and is 7500 kg lighter than spacecraft B. What is weight of Spacecraft A?
olympiad
cbsc
class3
math
t1
q25
asked
Aug 4
by
priyanka.c
0
answers
Two Concentric circular coils x and y of radii $16\;cm$ and $10\;cm$ respectively lie in the same vertical plane containing the north to south direction . coil x has 20 turns and carries a current of $16\;A$ coil y has 25 turns and carries a current of 18 A. The sense of the current in x is anticlock and clock wise in y, for an observe looks at the coils facing west. Find the magnitude and direction of the net magnetic force due to the coils at their center.
cbse
class12
physics
ch-4
sec-b
q25
ncert
difficult
asked
Jul 27, 2015
by
meena.p
1
answer
A magnetic needle free to rotate in a vertical plane parallel to the magnetic meridian has its north tip pointing down at $22^{\circ}$ with the horizontal. The horizontal component of the earth's magnetic field at the plane is known to be $0.35 \;G$ . Determine the magnetic of the earth's magnetic field at the place.
cbse
class12
physics
ch-5
sec-a
q25
ncert
medium
asked
Jul 13, 2015
by
meena.p
1
answer
How will you represent a resistance of $3700 \Omega \pm 10\%$ by colour code?
cbse
class12
physics
ch-3
sec-a
q25
medium
asked
Jun 29, 2015
by
meena.p
1
answer
Consider three charged bodies A,B and C. If A and repel each and A attracts C, What is the nature of force between B and C ?
cbse
class12
physics
ch-1
sec-a
q25
medium
asked
Apr 22, 2015
by
meena.p
1
answer
Find the equation of a circle whose centre $(3,-1)$ and which cuts off a chord of length $6$ units on the line $2x-5y+18=0$.
cbse
class11
math
conic-sections
circle
exemplar
sec-b
medium
q25
asked
Oct 13, 2014
by
sreemathi.v
1
answer
The freezing point of a solution containing 0.2g of acetic acid in 20.0g benzene is lowered by $0.45^{\large\circ}$C.Calculate the degree of association of acetic acid in benzene.Assume acetic acid dimerizes in benzene $K_f$ for benzene is $5.12Kmol^{-1}kg$.
cbse
class12
chemistry
ch2
solutions
sec-b
medium
additionalproblem
q25
asked
Aug 7, 2014
by
sreemathi.v
1
answer
You are given marbles of diameter 10mm.They are to be placed such their centres are lying in a square bond by four lines each of length 40mm.What will be the arrangement of marbles in a plane so that maximum number of marbles can be placed inside the area?Derive the expression for the number of molecules per unit area.
cbse
class12
chemistry
ch1
states-of-matter
solid-state
sec-c
easy
additionalproblem
q25
asked
Aug 1, 2014
by
sreemathi.v
1
answer
The longest side of a triangle is three times the shortest side and third side is $2\;cm$ shortest than the longest side. If the perimeter of the triangle is at least $61\; cm$ find the minimum length of the shortest side.
cbse
math
class11
ch6
linear-inequalities
exercise6-1
q25
asked
Jul 28, 2014
by
meena.p
1
answer
6 boys and 6 girls sit in a row at random.The probability that all the girls sit together is
cbse
math
class11
ch16
probability
exemplar
q25
sec-b
medium
asked
Jul 9, 2014
by
sreemathi.v
1
answer
Mean deviation for n observation $x_1,x_2........x_n$ from their mean $\bar{x}$ is given by
cbse
math
class11
ch15
statistics
exemplar
q25
sec-b
medium
asked
Jul 8, 2014
by
meena.p
1
answer
Choose the correct answer from the given four options. The equation of the line passing through the point (1, 2) and perpendicular to the line $x+y+1 = 0 $ is
cbse
math
class11
ch10
straight-lines
exemplar
objective-type-question
sec-a
easy
q25
asked
Jul 3, 2014
by
thanvigandhi_1
1
answer
The coefficient of $x^5$ in the expansion of $(x+3)^6$ is
cbse
math
class11
ch8
binomial-theorem
additionalproblem
q25
sec-a
easy
asked
Jun 26, 2014
by
sreemathi.v
1
answer
The largest coefficient in the expansion of $(1+x)^{30}$ is __________
cbse
math
class11
ch8
binomial-theorem
exemplar
q25
sec-a
easy
asked
Jun 25, 2014
by
sreemathi.v
1
answer
Two numbers are chosen from 1,3,5,7.....147,149 and 151 and multiplied together in all possible ways.The number of ways which will give us the product a multiple of 5 is
cbse
math
class11
ch7
permutations-and-combinations
additionalproblem
q25
sec-c
difficult
asked
Jun 20, 2014
by
sreemathi.v
1
answer
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