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Recent questions and answers in Class 9
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Olympiad-Math
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Class 9
Class 9
Logical Reasoning
Number Systems
Polynomials
Coordinate Geometry
Euclid Geometry
Linear Equations
Lines and Angles
Triangles, circles and quadrilaterals
Surface Areas and Volumes
Statistics and Probability
Logical and Analytical Reasoning
Everyday Mathematics
T, R, P, N, L, ?, ?
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Jul 27
by
amarbsalil
1
answer
The mean weight of 8 numbers is 15, If each number is multiplied by 2 , what will be the new mean?
olympiad
class9
math
statistics
probability
answered
Jul 23
by
shivanshu.rajput99
1
answer
cc_ccdd_d_cc_ccdd_dd
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Jul 10
by
tanya3445
1
answer
Boundaries of surfaces are :
olympiad
class9
math
euclid
geometry
answered
Jul 8
by
joshitaneelam6
1
answer
A line contains ____ number of points
olympiad
class9
math
lines and angles
answered
Jun 26
by
sanjali8080
1
answer
The pair of equation x+2y+5 = 0, -3x-6y+1=0 have
olympiad
class9
math
linear equations
answered
Jun 11
by
aebelpsunil317
1
answer
Three boys P,Q and R are to speak at a function along with 5 others. If all of them speak in random order, what is the probability that P speaks before Q and Q speaks before R?
olympiad
class9
math
statistics
probability
answered
Jun 10
by
rakeshkumarjaiswal1
1
answer
The product of roots of equation mx^2 +6x +2m-1 =0 is -1. Then m is
olympiad
class9
math
polynomials
answered
May 27
by
dikshatagala86
1
answer
Mcdonalled provides colddrink to the consumer daily in a cylindrical glasses of radius 7 cm. If the glass is filled with Cocacola upto an height of 12 cm, find how many litres of cocacola is needed to serve 100 consumer?
olympiad
class9
math
surface areas
volumes
answered
May 17
by
tomargourav317
1
answer
Three ladies X, Y and Z marry three men A, B and C. X is married to A, Y is not married to an engineer, Z is not married to a doctor, C is not a doctor and A is a lawyer. Then which of the following statements is correct ?
olympiad
class9
math
logical
analytical
reasoning
answered
May 15
by
patranupur99
1
answer
If one leg of an isosceles right-angled triangle is increased by 6 cm and the other leg is increased by 4 cm, then change in area of the triangles is 24 sq cm. Find the length of the leg of the original triangle.
olympiad
class9
math
logical
analytical
reasoning
answered
May 12
by
putsalaharshapriya
1
answer
A terminated line can be produced indefinately on both side
olympiad
class9
math
euclid
geometry
answered
May 11
by
rnarasimhareddy2007
1
answer
Equal triangles which are on the same base and on the same side are also in the same parallels.
olympiad
class9
math
euclid
geometry
answered
May 11
by
rnarasimhareddy2007
1
answer
In right-angled triangles the square on the side opposite the right angle equals the sum of the squares on the sides containing the right angle.
olympiad
class9
math
euclid
geometry
answered
May 11
by
rnarasimhareddy2007
1
answer
If a straight line falling on two straight lines makes the exterior angle equal to the interior and opposite angle on the same side, or the sum of the interior angles on the same side equal to two right angles, then the straight lines are parallel to one another.
olympiad
class9
math
euclid
geometry
answered
May 11
by
rnarasimhareddy2007
1
answer
You have 12 similar looking coins. 11 of them weigh the same. One of them has a different weight, but you don’t know whether it is heavier or lighter. You also have a scale. You can put coins on both sides of the scale and it’ll tell you which side is heavier or will stay in the middle if both sides weight the same. What is the minimum number of weighing required to find out the odd coin.
olympiad
class9
math
logical reasoning
logical_reasoning
answered
May 10
by
rby0017
1
answer
What is the distance between the points (0,0) and (24,7)
olympiad
class9
math
coordinate geometry
answered
May 5
by
dasnil473
1
answer
If Eye is called Hand, Hand is called Mouth, Mouth is called Ear, Ear is called Nose and Nose is called Tongue, with which of the following would a person hear ?
olympiad
class9
math
logical reasoning
logical_reasoning
answered
May 2
by
sabiravan
1
answer
Points (1,-1) (2,-2) (4,-5) (-3,-4)
olympiad
class9
math
coordinate geometry
answered
Apr 29
by
akpatrabbsr
1
answer
How many roots of the equation x^3-3x^2+4=0 are roots of the equation x^2+x-6=0?
olympiad
class9
math
polynomials
answered
Apr 19
by
gowrichalumuri
1
answer
If the cost of x metres of wire is ` d, then what is the cost of y metres of wire at the same rate ?
olympiad
class9
math
everyday mathematics
answered
Apr 9
by
faisalabbasf2f
1
answer
If x stand for ‘addition’; $<$ for ‘subtraction’, $+$ stands for ‘division’, $>$ for ‘multiplication’, $-$ stands for ‘equal to’,$\div$ for ‘greater than and = stands for ‘ less than’, state which of the following is true ?
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Apr 5
by
humaidhameed786
1
answer
If $ax + by = c$ and $lx + my = n$ has unique solution then the relationbetween the coefficient
olympiad
class9
math
linear equations
answered
Apr 4
by
sanchakgargss
1
answer
P, Q, R and S are playing cards. P and Q are partners and sitting in front of each other. Similarly R and S are partners and sitting in front of each other. S faces towards North and if P faces towards West, then who faces towards South ?
olympiad
class9
math
logical
analytical
reasoning
answered
Mar 19
by
bammidi36
1
answer
Find the number of roots of (x^n-b)^2 =0
olympiad
class9
math
polynomials
answered
Mar 18
by
thakurmayankraj.26
1
answer
Arrange the given words in the sequence in which they occur in the dictionary and choose the correct sequence. 1. Precede 2. Precision 3. Precise 4. Precept 5. Preach 6. Prelude
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Mar 17
by
ajaysharma4381001
2
answers
At what rate of simple interest per annum an amount will be doubled in 10 years?
olympiad
class9
math
everyday mathematics
answered
Feb 14
by
solutionresource15
1
answer
A clock loses 3% time during the first week and then gains 2% time during the next one week. If the clock was set right at12 noon on a Sunday, what will be the time that the clock will show exactly 14 days from the time it was set right ?
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Feb 13
by
bulliya90
1
answer
If ÷ implies '=', × implies '<', + implies '>', – implies '×', > implies '÷', < implies '+', = implies '–', identify the correct expression.
olympiad
class9
math
logical
analytical
reasoning
answered
Feb 9
by
banyabarik
1
answer
Find the area of the regular pentagon of side 6 cm and height 8 cm
olympiad
class9
math
triangles
circles
quadrilaterals
answered
Feb 2
by
pawanpurbey.7808160211
1
answer
If the ratio of mode and median of a certain data is 6:5 then find the ratio of its mean and median
olympiad
class9
math
statistics
probability
answered
Feb 2
by
rupamyogya
2
answers
Value of the expression (x^2-x+1)/x-1 cannot lie between
olympiad
class9
math
polynomials
answered
Jan 24
by
piruthiba
1
answer
In method of factorisation of an algebraic expression. Which of the following statement is false ?
olympiad
class9
math
polynomials
answered
Jan 20
by
kasarlavishishtareddy
1
answer
Graphically the pair of equations 6x-3y+10=0, 2x-y+9=0 represents two line which are
olympiad
class9
math
linear equations
answered
Jan 14
by
das.bittu15403
1
answer
Ratio of the area of a triangle to the product of its sides is ........ times the reciprocal of its circum radius.
olympiad
class9
math
triangles
circles
quadrilaterals
answered
Dec 31, 2019
by
anuragdeep513
1
answer
Four years ago age of a person was 4 times that of his son. six years later the age of the person will be 10 years less than thrice the age of his son. Find the present ages of the person and his son
olympiad
class9
math
linear equations
answered
Dec 27, 2019
by
pallavilute78
1
answer
In a Class Vidhya ranks 7th from the top, Divya is 7 ranks ahead of Medha and 3 ranks behind Vidhya Sushma who is 4th from the bottom, is 32 ranks behind Medha. How many students are there is the class ?
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Dec 26, 2019
by
daljitk.koka
1
answer
A parallelogram with sides of equal length is called______________.
olympiad
class9
math
lines and angles
answered
Dec 20, 2019
by
agupta.malpura
1
answer
The 75th percentile is referred to as the
olympiad
class9
math
statistics
probability
answered
Dec 18, 2019
by
visharathraplover
1
answer
If (-1,2) (2,-1) and (3,1) are any three vertices of a parallelogram, then
olympiad
class9
math
coordinate geometry
answered
Dec 6, 2019
by
samyak1011
1
answer
Rs.1000 is given toA,B and C in some ratio,Ais wrongly given double and C is wrongly given half, which is Rs. 500 and Rs. 250 repectively.how much is given to B ?
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Oct 20, 2019
by
sandeep.sandy3239
1
answer
Amongst five friends, Lata, Alka, Rani, Asha and Sadhana. Lata is older than only three of her friends. Alka is younger to Asha and Lata. Rani is older than only Sadhana. Who amongst them is the eldest ?
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Oct 13, 2019
by
bharti6394
1
answer
Write the expression (x + 5)(x + 2) as a polynomial in standard form.
olympiad
class9
math
polynomials
answered
Oct 13, 2019
by
lacsonthrishamaemerciales
1
answer
Classify –3x5 + 4x3 + x2 + 9 by degree and by number of terms.
olympiad
class9
math
polynomials
answered
Oct 13, 2019
by
lacsonthrishamaemerciales
1
answer
Find the next term of given sequence .. 17, 18, 22, 31, 47, ....
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Sep 21, 2019
by
sushil20779
1
answer
Ram spends 80% of his annual salary. If his annual salary increased by 14% and his expenditure increased by 10%, his saving would increase by
olympiad
class9
math
everyday mathematics
answered
Sep 17, 2019
by
nitishkasyap629
1
answer
If two interior angles on the same side of a transversal intersecting two parallel lines are in the ratio 2 : 3, then the greater of the two angles is
olympiad
class9
math
lines and angles
answered
Sep 10, 2019
by
hanu26692
1
answer
In a certain department, 15% of the females and 25% of the males are working on a project. 60% of the department is female. What percentage of the department is working on the project?
olympiad
class9
math
everyday mathematics
answered
Sep 9, 2019
by
ish8623
1
answer
Two lines PQ and RS intersect at O. If angle POR is 50, then the value of angle ROQ is
olympiad
class9
math
lines and angles
answered
Sep 5, 2019
by
suryaprakashr14u7
1
answer
If Moon is called Star, Star is Sun, Sun is Earth, Earth is Jupiter, Jupiter is Mars and Mars is Mercury, where does man live?
olympiad
class9
math
logical
analytical
reasoning
answered
Aug 29, 2019
by
vvmanasalalitha
1
answer
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