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Recent questions and answers in Class 9
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Home
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Olympiad-Math
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Class 9
Class 9
Logical Reasoning
(200)
Number Systems
(100)
Polynomials
(99)
Coordinate Geometry
(100)
Euclid Geometry
(99)
Linear Equations
(100)
Lines and Angles
(99)
Triangles, circles and quadrilaterals
(99)
Surface Areas and Volumes
(100)
Statistics and Probability
(100)
Logical and Analytical Reasoning
(50)
Everyday Mathematics
(198)
No. of roots of the equation x-(2/x-1) = 1-(2/x-1) is
olympiad
class9
math
polynomials
answered
Jun 10
by
nagu.nagu.na19
1
answer
How many pairs of x and y satisfy the equations 2x+4y=8 and 6x+12y=24?
olympiad
class9
math
linear equations
answered
May 31
by
shreyjalota1992
1
answer
Hussain’s weight is 5/4 times the weight of Rahim. Their total weight is 90 kg. What is Hussain’s weight?
olympiad
class9
math
everyday mathematics
answered
May 22
by
elieshane786
1
answer
If area of a parallelogram with sides ‘l’ and ‘b’ is ‘A’ and that of a rectangle with sides ‘l’ and ‘b’ is ‘B’, then _____.
olympiad
class9
math
logical
analytical
reasoning
answered
Apr 27
by
cscbarethi
1
answer
The line segment joining points (-3,-4) and (1,-2) is divided by y axis in the ratio
olympiad
class9
math
coordinate geometry
answered
Apr 22
by
vk854635
1
answer
In a certain code KAMAL is written as 29894, VIJAY is written as 35196, then the word VIMAL will be coded as
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Apr 19
by
utu192004
1
answer
If four times the sum of the areas of two circular faces of a cylinder of height 8cm is equal to the twice the curved surface area then find the diameter of the cylinder.
olympiad
class9
math
surface areas
volumes
answered
Apr 15
by
pillivamsi3333
1
answer
Find the coordinates of the point P which divides the line joining the points A (3,-5) and B (4,6) in the ratio 2:1 externally
olympiad
class9
math
coordinate geometry
answered
Apr 15
by
hiteshkumarmeena25000
1
answer
If a train 110 m long passes a telegraph pole in 3 seconds, then the time taken by it to cross a railway platform 165 m long is
olympiad
class9
math
everyday mathematics
answered
Mar 31
by
sheebalancy
1
answer
A train is moving at a speed of 132 km/hr. If the length of the train is 110 metres, how long will it take to cross a railway platform 165 metres long?
olympiad
class9
math
everyday mathematics
answered
Mar 31
by
sheebalancy
1
answer
A sphere is just enclosed inside a cube of volume 24 cm3. Find the volume of the sphere.
olympiad
class9
math
surface areas
volumes
answered
Mar 17
by
shreybaroda1
1
answer
In a family, there are six members A, B, C, D, E and F. A and B are a married couple, A being the male member. D is the only son of C, who is the brother of A. E is the sister of D. B is the daughter-in-law of F, whose huasband has died. How is E related to C ?
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Mar 7
by
ssrivastavashubham.1996.ss
1
answer
Every point on a number line represents
olympiad
class9
math
number systems
answered
Feb 25
by
rishusingh01435
2
answers
If each edge of a cube is increased by 50% then what is the percentage increase in the surface area of the cube?
olympiad
class9
math
surface areas
volumes
answered
Feb 23
by
aradhana429
1
answer
A product costing 60 cents per unit to produce had been selling at the average rate of 1,200,000 units per month. After the product was improved, sales increased to an average of 2,000,000 units per month. However, the new product cost five percent more to produce. If the manufacturer's selling price in each instance was 75 cents per unit, what was the manufacturer's added profit per month with the newer product?
olympiad
class9
math
everyday mathematics
answered
Feb 19
by
shine2409cbz
1
answer
Two parallelograms are on the same base and between the same parallels . The ratio of their areas is
olympiad
class9
math
triangles
circles
quadrilaterals
answered
Feb 19
by
malik.kavita076
3
answers
Mean of a certain number of observations is m . If each observation is divided by $x(x\neq0)$ and increased by y, then the mean of new observation is
olympiad
class9
math
statistics
probability
answered
Feb 17
by
tanveeralampcm
1
answer
The number of interwoven isosceles triangles in Sriyantra (in the Atharvaveda) is:
olympiad
class9
math
euclid
geometry
answered
Feb 15
by
mohit331de
2
answers
A monkey climbs 30 feet at the beginning of each hour and rests for a while when be slips back 20 feet before he again starts climbing in the beginning of the next hour. If he begins his ascent at 8.00 a.m.. at what time will he first touch a flag at 120 feet from the ground ?
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Feb 11
by
kalyanidachawar312
1
answer
Look at the alphabets given below. Left A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Right. The 5th alphabet from right is _____.
olympiad
class9
math
logical
analytical
reasoning
answered
Feb 9
by
vvrmurthy25
1
answer
What is the value of a for which (3,a) lies on 2x-3y=5
olympiad
class9
math
linear equations
answered
Feb 2
by
www.pvizarniya
1
answer
Find the value of k, if x=1 , y=1 is a solution of the equation 2x+3y=k
olympiad
class9
math
linear equations
answered
Feb 2
by
www.pvizarniya
1
answer
The greatest chord of a circle is called its
olympiad
class9
math
triangles
circles
quadrilaterals
answered
Feb 1
by
saniyanabil31
1
answer
If x is a positive real number and x^2 = 2 then x^3 = ?
olympiad
class9
math
number systems
answered
Jan 27
by
navisingla518
2
answers
The sum of a two digit number and the number formed by interchanging its digits is 110. if 10 is subtracted from the first number, the new number is 4 more than 5 times the sum of the digits in the first number. find the first number.
olympiad
class9
math
linear equations
answered
Jan 24
by
pady_1
1
answer
The median of 21 observations is 18. If two observations 15 and 24 are included to the observations then the median of the new series is
olympiad
class9
math
statistics
probability
answered
Jan 12
by
prabhu4c1
1
answer
In a class of 100 students, 50 students passed in Mathematics and 70 passed in English, 5 students failed in both Mathematics and English. How many students passed in both the subjects?
olympiad
class9
math
everyday mathematics
answered
Jan 8
by
shirshsachan1999
1
answer
A solid cylinder is melted and cast into a cone of same radius .Find the ratio of their heights ?
olympiad
class9
math
surface areas
volumes
answered
Jan 7
by
aidenjackson321
1
answer
If the product of two surds is a rational number, then each one of them is called the _____ of the other.
olympiad
class9
math
polynomials
answered
Jan 6
by
usreedevi
1
answer
What is the condition for one root of the quadratic equation $ax^2 +bx +c$ to be twice of each other
olympiad
class9
math
polynomials
answered
Jan 5
by
kuldeepdihingia
1
answer
The maximum length of a pencil that can he kept is a rectangular box of dimensions 8 cm x 6 cm x 2 cm, is
olympiad
class9
math
surface areas
volumes
answered
Jan 5
by
shubhamsingh1080
1
answer
Twenty four teams are divided into 4 groups of six teams each. Within each group the teams play each other exactly once. The winners of each group then play in the semi-finals. Winners of the semi-finals play in the finals and losers for the 3 place. How many matches are played?
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Jan 4
by
amit.guleria
1
answer
If (2,0) is a solution of the linear equation 2x+3y=k then the value of k is
olympiad
class9
math
linear equations
answered
Jan 3
by
info_3
1
answer
Signs of abscissa and ordinate of a point in the second quadrant are respectively
olympiad
class9
math
coordinate geometry
answered
Dec 30, 2017
by
guideme18
1
answer
A cylinder, a cone and a hemisphere are of same base and of same height . Find the ratio of their volumes?
olympiad
class9
math
surface areas
volumes
answered
Dec 26, 2017
by
omsai1974.hr
1
answer
Find the value of k if the straight line 2x+3y+4+k(6x-y+12)=0 is perpendicular to the line 7x+5y=4
olympiad
class9
math
coordinate geometry
answered
Dec 24, 2017
by
aksmn.1234.ald
1
answer
The town of Paranda is located of Green lake, The town of Akram is West of Paranda, Tokhada is East of Akram but West Paranda. Kokran is East of Bopri but West of Tokhada and Akram. If they are all in the same district, which town is the farthest West ?
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Dec 22, 2017
by
theresedsouza.1967
1
answer
A regular hexagon is inscribed in a circle of radius r cms. What is the perimeter of the regular hexagon?
olympiad
class9
math
triangles
circles
quadrilaterals
answered
Dec 21, 2017
by
adityakanjilal04
1
answer
The diameter and height of a cylinder and a cone are equal. What is the ratio of their volume.
olympiad
class9
math
surface areas
volumes
answered
Dec 16, 2017
by
demonzenkazama
1
answer
Diagonals necessarily bisect opposite angles in a
olympiad
class9
math
triangles
circles
quadrilaterals
answered
Nov 28, 2017
by
ranjani.hogwarts
1
answer
If A(2,2) B(-4,-4) and C(5,-8) are the vertices of a triangle, then the length of the median through vertex C is
olympiad
class9
math
coordinate geometry
answered
Nov 26, 2017
by
mehtajay515
1
answer
If one angle of a triangle is equal to the sum of the other two angles, then the triangle is
olympiad
class9
math
lines and angles
answered
Nov 26, 2017
by
venkateshev
1
answer
4 ^(44) + 4^(44) + 4^(44) + 4^(44) = 4^x. find x
olympiad
class9
math
polynomials
answered
Nov 22, 2017
by
richamadaan07
1
answer
There are six persons A, B, C, D , E and F. C is the sister of F. B is the brother of E's husband. D is the father of A and grandfather of F. There are two fathers, three brothers and a mother in the group. Who is the mother ?
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Nov 16, 2017
by
karthigayini29
1
answer
Speed of a boat in still water is 9 km/hr. It goes 12 km down stream and comes back to the starting point in three hours.What is the speed of water in the stream?
olympiad
class9
math
everyday mathematics
answered
Nov 7, 2017
by
kayumhkd
1
answer
If it takes 16 days for 24 men to plough 15 acres of land, then how many days would be required by 32 men to plough 30 acres of land
olympiad
class9
math
everyday mathematics
answered
Nov 1, 2017
by
tdjpi13
1
answer
Choose that set of numbers from the options that is similar to the given set. (81, 77, 69)
olympiad
class9
math
logical
analytical
reasoning
asked
Aug 27, 2015
by
pady_1
0
answers
The given equation becomes correct due to the interchange of two signs. One of the four options under it specifies the interchange of signs in the equation which when made will make the equation correct. Find the correct option. 5 + 6 ÷ 3 – 12 × 2 = 17
olympiad
class9
math
logical
analytical
reasoning
asked
Aug 27, 2015
by
pady_1
0
answers
Choose a number from the options that will continue the same pattern and replace the question mark in the given series. 6, 13, 25, 51, 101, __ ?
olympiad
class9
math
logical
analytical
reasoning
asked
Aug 27, 2015
by
pady_1
0
answers
Choose the correct alternative that will continue the given pattern. 0.5, 0.55, 0.65, 0.8, _?
olympiad
class9
math
logical
analytical
reasoning
asked
Aug 27, 2015
by
pady_1
0
answers
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