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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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Lines and Angles
Triangles, circles and quadrilaterals
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Statistics and Probability
Logical and Analytical Reasoning
Everyday Mathematics
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
If ÷ implies '=', × implies '<', + implies '>', – implies '×', > implies '÷', < implies '+', = implies '–', identify the correct expression.
olympiad
class9
math
logical
analytical
reasoning
answered
Feb 9, 2020
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, 2020
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, 2020
by
rupamyogya
2
answers
Value of the expression (x^2-x+1)/x-1 cannot lie between
olympiad
class9
math
polynomials
answered
Jan 24, 2020
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, 2020
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, 2020
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
A postman was returning to the post office which was in front of his to the North. When the post office was 100 metres away from him, he turned to the left and moved 50 metres to deliver the last letter at shantivilla. He then moved in the same direction for 40 metres, turned to his right and moved 100 metres. How many metres was he away from the post office ?
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Aug 17, 2019
by
psudhanshu72
1
answer
A bag contains 1 rupee, 50 paise and 25 paise coins in the ratio 1:2:4. If the total amount id Rs 75, then find the number of 50 paise coins in the bag
olympiad
class9
math
everyday mathematics
answered
Aug 16, 2019
by
harshachawla2002
1
answer
If BE QUICK is coded as ZC OSGAI, then the code of the lat letter of the third word in the sentence I LOVE MY COUNTRY is
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Aug 10, 2019
by
sejalsharma1036
1
answer
151835 : 193439 : : 274655 : ?
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Aug 8, 2019
by
kunalsingh234287
1
answer
If wall is called window, window is called door, door is called floor, floor is callled roof and roof is callled ventilator, what will a person stand on ?
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Aug 7, 2019
by
suchitra.eli
1
answer
A train 110 m long passes a man, running at 6 kmph in the direction opposite to that of the train, in 6 seconds. The speed of the train is
olympiad
class9
math
everyday mathematics
answered
Aug 6, 2019
by
rheakhan.001
1
answer
Two trains of equal lengths take 10 seconds and 15 seconds respectively to cross a telegraph post. If the length of each train be 120 metres, in what time will they cross each other travelling in opposite direction?
olympiad
class9
math
everyday mathematics
answered
Aug 6, 2019
by
rheakhan.001
1
answer
A train traveling at a speed of 90kmph crosses a pole in 10 seconds. The length of the train is
olympiad
class9
math
everyday mathematics
answered
Jul 31, 2019
by
deep25538
1
answer
The mean of 8 observations was found to be 20 . Later it was detected that on eof the observations was found to be misread as 62. What is the correcr observation if the correct mean is 15.5 ?
olympiad
class9
math
statistics
probability
answered
Jul 26, 2019
by
monga.nalini1110
1
answer
How many 5’s are there in the following number sequence which are immediately preceded by 7 and immediately followed by 6? 7 5 5 9 4 5 7 6 4 5 9 8 7 5 6 7 6 4 3 2 5 6 7 8
olympiad
class9
math
logical
analytical
reasoning
answered
Jul 24, 2019
by
ddakshashetty
1
answer
A can type 10 pages in 5 minutes. B can type 5 pages in 10 minutes. Working together, how many pages can they type in 30 minutes?
olympiad
class9
math
everyday mathematics
answered
Jul 18, 2019
by
ahtishammathematician
1
answer
F is the brother of A, C is the daughter of A, K is the sister of F and G is the brother of C then who is the uncle of G?
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Jul 17, 2019
by
ghogaremayuri15
1
answer
Two trains are running in opposite directions with the same speed. If the length of each train is 120 metres and they cross each other in 12 seconds, then the speed of each train (in km/hr) is:
olympiad
class9
math
everyday mathematics
answered
Jul 16, 2019
by
rajakumarjb4169
1
answer
If it is possible to make a meaningful word with the first, the fourth, the seventh and the eleventh letters and the word INTERPRETATION, which of the following will be the third letter of that word ? If more than one such word can be made, give M as the answer and if no such word can be formed, give X as the answer.
olympiad
class9
math
logical reasoning
logical_reasoning
answered
Jul 16, 2019
by
lokkumar434
1
answer
The median of a sample will always equal the
olympiad
class9
math
statistics
probability
answered
Jul 12, 2019
by
atif685iqbal
2
answers
A father is 30 years older than his son. He will be three times as old as his son after 5 years. What is the father's present age?
olympiad
class9
math
everyday mathematics
answered
Jul 8, 2019
by
sangaylaida221
1
answer
In triangle interior opposite angle is always less than
olympiad
class9
math
lines and angles
answered
Jul 8, 2019
by
gaspar.dennis
1
answer
A parallelogram whose all sides are equal is called
olympiad
class9
math
lines and angles
answered
Jun 29, 2019
by
dsraj2018a
1
answer
A quadrilateral which has 2 pairs of equal adjacent sides but unequal opposite sides is called ________________ .
olympiad
class9
math
lines and angles
answered
Jun 29, 2019
by
dsraj2018a
1
answer
A,B and C are employed to do apiece of work for Rs.529. A and C are supposed to finish 19/23 of the work together. How much shall be paid to B?
olympiad
class9
math
everyday mathematics
answered
Jun 27, 2019
by
bhattacharjee069
1
answer
From a point in the interior of an equilateral triangle perpendiculars are drawn to the three sides of 8cm,10cm and 11cm respectively. Find the area of the traingle.
olympiad
class9
math
triangles
answered
Jun 25, 2019
by
utkarsh2237
1
answer
If each side of an equilateral triangle is increased by $2\; cm$ then its area increases by $3\sqrt{3} cm^2$. Find the length of each side.
olympiad
class9
math
triangles
answered
Jun 25, 2019
by
utkarsh2237
1
answer
If a straight line falling on two straight lines makes the interior angles on the same side of it, whose sum is 120°, then the two straight lines, if produced indefinitely, meet on the side on which the sum of angles is
olympiad
class9
math
euclid
geometry
answered
Jun 23, 2019
by
tamannamathur1711
1
answer
If Southeast becomes North, Northeast becomes West and so on, what will West become ?
olympiad
class9
math
logical
analytical
reasoning
answered
Jun 16, 2019
by
subhash252017
1
answer
Mala purchased 5 chairs and 2 tables for Rs. 1625. Reshma purchased 2 chairs and 1 table for Rs. 750. Find the cost per chair and per table.
olympiad
class9
math
linear equations
answered
May 28, 2019
by
megharvind24
1
answer
A work can be completed by 40 workers in 40 days. If 5 workers leave every 10 days, in how many days work will be completed ?
olympiad
class9
math
logical reasoning
logical_reasoning
answered
May 23, 2019
by
kambojvishal2017
1
answer
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