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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
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Euclid Geometry
Linear Equations
Lines and Angles
Triangles, circles and quadrilaterals
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Statistics and Probability
Logical and Analytical Reasoning
Everyday Mathematics
Two numbers a and b are such that the quadratic equation $ax^2+3x+2b=0$ has -6 as the sum and product of its roots. Find a+b.
olympiad
class9
math
polynomials
answered
Jun 18
by
yusuffsheriff420
1
answer
Raj walked 20 metres towards South. Then he turned to his left and alked 25 metres. He then turned to his left and walked 20 metres. He again turned to his right and walked 10 metres. At what distance is the form the starting point and in which direction ?
olympiad
class9
math
logical reasoning
logical_reasoning
answered
May 29
by
komalgautam868
1
answer
If ÷ implies '=', × implies '<', + implies '>', – implies '×', > implies '÷', < implies '+', = implies '–', identify the correct expression.
olympiad
class9
math
logical
analytical
reasoning
answered
Mar 21
by
ravadaanandkarthikeya
2
answers
A parallelogram each of whose angles measures 90 is ____
olympiad
class9
math
lines and angles
answered
Mar 6
by
alan.muttath
1
answer
The value of 150 × 98 is
olympiad
class9
math
polynomials
answered
Mar 2
by
ps389783
1
answer
A path of 5 m is build round the circular park of radius 15m. Find the area of the path.
olympiad
class9
math
triangles
circles
quadrilaterals
answered
Jan 25
by
aadhithiyan034
1
answer
Point (0,-7) lies
olympiad
class9
math
coordinate geometry
answered
Jan 7
by
kumarihansamishra
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
Jan 3
by
tejasvi.d
2
answers
If (x+1)(x+3)(x+5)(x+7)=5760, find the real value of x
olympiad
class9
math
polynomials
answered
Dec 27, 2020
by
kishorecmouli
1
answer
If x is rational and 4(x^2 + 1/(x^2)) + 16(x + 1/x) -57=0 then find x.
olympiad
class9
math
polynomials
answered
Nov 10, 2020
by
imranprogamer100
1
answer
5X9,X8U12, 11R15, 14O18, ?
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Nov 8, 2020
by
devkaninwal6
1
answer
It being given that : > denotes +, < denotes -, + denotes ÷, - denotes =, = denotes ‘less than’ and ×denotes ‘greater than’, find which of the following is a correct statement
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Nov 8, 2020
by
ckrishnapriya06
1
answer
If x < –1, then which of the following expressions holds?
olympiad
class9
math
polynomials
answered
Nov 1, 2020
by
jigisha2436
1
answer
The probability A getting a job is 1/5 and that of B is 1/7 .What is the probability that only one of them gets a job?
olympiad
class9
math
statistics
probability
answered
Oct 15, 2020
by
rathodanuradha012
1
answer
The points whose abscissa and ordinate have different signs will lie in
olympiad
class9
math
coordinate geometry
answered
Oct 7, 2020
by
jethaniansh
1
answer
Shakuntala has some parrots and rabbits with her. If 4 times the number of parrots added to 7 times the number of rabbits is equal to 29, then how many parrots did she have?
olympiad
class9
math
everyday mathematics
answered
Sep 17, 2020
by
rohitpsd26
1
answer
If a+2b+3c=20 and 2a+4b+c=25, then c=?
olympiad
class9
math
linear equations
answered
Sep 6, 2020
by
joel.whitaker
1
answer
In certain language, if 1 is coded as A, 2 as B, 3 as C, and so on, how is FLOWER coded in that code ?
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Sep 6, 2020
by
patelvansh2366
1
answer
An item was marked up by 40% and after that a discount of 20% is given on it. If each item costs Rs 225 then what profit is earned by selling it?
olympiad
class9
math
everyday mathematics
answered
Aug 31, 2020
by
sakshi14sharma27
1
answer
If the seventh day of month is three days earlier than Friday, what day will it be one the nineteenth day of the month ?
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Aug 30, 2020
by
enggwiqbal
1
answer
If the code for ALLOWANCE is ZNKPVBMDD, the word DEARNESS would be coded as :
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Aug 12, 2020
by
abhijeet3866s
1
answer
Point (-3,5) lies in which quadrant
olympiad
class9
math
coordinate geometry
answered
Aug 10, 2020
by
vandanasharma41566
1
answer
T, R, P, N, L, ?, ?
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Jul 27, 2020
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, 2020
by
shivanshu.rajput99
1
answer
cc_ccdd_d_cc_ccdd_dd
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Jul 10, 2020
by
tanya3445
1
answer
Boundaries of surfaces are :
olympiad
class9
math
euclid
geometry
answered
Jul 8, 2020
by
joshitaneelam6
1
answer
A line contains ____ number of points
olympiad
class9
math
lines and angles
answered
Jun 26, 2020
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, 2020
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, 2020
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, 2020
by
dikshatagala86
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, 2020
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, 2020
by
putsalaharshapriya
1
answer
A terminated line can be produced indefinately on both side
olympiad
class9
math
euclid
geometry
answered
May 11, 2020
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, 2020
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, 2020
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, 2020
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, 2020
by
rby0017
1
answer
What is the distance between the points (0,0) and (24,7)
olympiad
class9
math
coordinate geometry
answered
May 5, 2020
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, 2020
by
sabiravan
1
answer
Points (1,-1) (2,-2) (4,-5) (-3,-4)
olympiad
class9
math
coordinate geometry
answered
Apr 29, 2020
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, 2020
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, 2020
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, 2020
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, 2020
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, 2020
by
bammidi36
1
answer
Find the number of roots of (x^n-b)^2 =0
olympiad
class9
math
polynomials
answered
Mar 18, 2020
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, 2020
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, 2020
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, 2020
by
bulliya90
1
answer
Problem: Find the smallest positive integer that must be added to 2010 in
math
asked
Jul 31, 2018
by
sammy.mulls
1
answer
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