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Recent questions and answers in Class 10
Questions
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Olympiad-Math
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Class 10
Questions from: Class 10
If the LCM of $a$ and $18$ is 36 and HCF of $a$ and $18$ is $2$ then $a$=
olympiad
math
ch-1
real-numbers
class10
answered
Dec 7
by
spsainikhil
2
answers
There is some relationship between diagrams A & B. The same relationship persists between C & D. Find the right diagrams for D from the alternatives.
olympiad
class10
math
ch11
logical-and-analytical-reasoning
answered
Oct 20
by
123sezalagrawal
1
answer
If $x=2$ and $x=3$ lie the roots of the equation $3x^2-2px+2q=0$,then the value of $p$ and $q$ are ______
sat
math
quadratic-equations
answered
Jul 31
by
meena.p
1
answer
The angle of elevation of a jet plane from a point A on the ground is $60^{\circ}$ After a flight of $30$ seconds , the angle of elevation changes to $30^{\circ}$. If the jet plane is flying at a constant height of $3600\sqrt 3\;m$, then the speeds of the jet plane is _______
olympiad
math
ch-10
trigonometry-and-its-applications
class10
answered
Jun 26
by
humahudahura123
1
answer
In a family there are husband wife, two sons and two daughters. All the ladies were invited to a dinner. Both sons went out to play. Husband did not return from office. Who was at home?
olympiad
class10
math
ch11
logical-and-analytical-reasoning
answered
Oct 22, 2017
by
rahulberi951
1
answer
Find the next term of given sequence .. $16, 18, 21, 26, 33, 44, 57, ....$
olympiad
class10
math
ch11
logical-and-analytical-reasoning
answered
Oct 11, 2017
by
annieayaaz
1
answer
If a and b are two whole numbers, then commutative law is applicable to subtraction if and only if .
class6
math
ch2
olympiad
whole-numbers
math reasoning
answered
Oct 20, 2016
by
amitashokkak
2
answers
Which of the following expression in INCORRECT ?
class6
math
ch2
olympiad
whole-numbers
math reasoning
answered
Aug 25, 2016
by
meena.p
1
answer
To divide a line segment $AB$ in the ration $s : t$ (s and t are positive integers with $s : t $$9\; s$ and t are positive integers with $s > t)$, draw a ray AX so that $ \angle BAX$ is an acute angle and then mark points on the ray $AX$ at equal distances such that the minimum number of these points is:
olympiad
class10
math
ch7
constructions
answered
Aug 1, 2016
by
meena.p
1
answer
To construct a triangle similar to given $\Delta ABC$ with its sides $\large\frac{7}{5}$ of the corresponding side of $\Delta ABC$ draw a ray $BX$ such that $\angle CBX$ is an acute angle and $X$ is on the opposite side of $A$ with respect to $BC$. Then, locate points $X_1,X_2,X_3…$ at equal distances on $BX$. The points to be joined in the next step are
olympiad
class10
math
ch7
constructions
answered
Aug 1, 2016
by
meena.p
1
answer
To divide a line segment $LM$ in the ratio $4 : 3$, a ray $LX$ is drawn firs such that $\angle MLX$ is an acute angle and then points $L_1, L_2, L_3, …$ are located at equal distances on the ray $LX$ and the points $M$ is joined to :
olympiad
class10
math
ch7
constructions
answered
Aug 1, 2016
by
meena.p
1
answer
To divide a line segment $AB$ in the ration $4 : 7$, a ray $AX$ is drawn first such that $\angle BAX$ is an acute angle and then points $A_1,A_2,A_3,…$ are located at equal distances on the ray $AX$ and the point $B$ is joined to :
olympiad
class10
math
ch7
constructions
answered
Aug 1, 2016
by
meena.p
1
answer
To divide a line segment AB in the ratio $p : q ( p, q$ are positive integers), draw a ray $AX$ so that $\angle BAX$ $s$ an acute angle and then mark points on ray $AX$ at equal distances such that the minimum number of these points is :
olympiad
class10
math
ch7
constructions
answered
Aug 1, 2016
by
meena.p
1
answer
If the area of a circle is equal to the area of a square, then the ratio of their perimeters is
olympiad
math
class10
answered
Aug 1, 2016
by
meena.p
1
answer
If the difference between the circumference and radius of a circle is $37\;m$, then the circumference of the circle is given by
olympiad
math
class10
answered
Aug 1, 2016
by
meena.p
1
answer
If the circumference of a circle and the perimeter of a square are equal, then
olympiad
math
class10
answered
Aug 1, 2016
by
meena.p
1
answer
Area of the largest circle that can be inscribed in a semicircle of radius ‘r’ units is
olympiad
math
class10
answered
Aug 1, 2016
by
meena.p
1
answer
If the perimeter of a circle is equal to that of a square, then the ratio of their areas is
olympiad
math
class10
answered
Aug 1, 2016
by
meena.p
1
answer
If $A, B$ and $C$ are interior angles of a triangle $ABC$, then the value of $\tan \bigg(\large\frac{B+C}{2}\bigg)$
olympiad
math
class10
answered
Aug 1, 2016
by
meena.p
1
answer
If is an acute angle and $tan \theta + \cot \theta = 2 \tan \theta + \cot \theta = 2 $, then the value of $\tan^{25} \theta +\cot^{ 25} \theta$ is
olympiad
math
class10
answered
Aug 1, 2016
by
meena.p
1
answer
If $ \tan \theta = \large\frac{20}{21}$ then $ \large\frac{1-\sin \theta + \cos \theta}{1+\cos \theta +\sin \theta}$
olympiad
math
class10
answered
Jul 28, 2016
by
meena.p
1
answer
If $ \tan \theta = \large\frac{20}{21}$ then $ \large\frac{\cos \theta - \sin \theta}{\cos \theta +\sin \theta}$
olympiad
math
class10
answered
Jul 28, 2016
by
meena.p
1
answer
In right triangle $ABC$, right angled at $C,$ if $\tan A = 1,$ then the value of $2 \sin A \cos A$ is
sat
trigonometry
olympiad
math
class10
answered
Jul 27, 2016
by
meena.p
1
answer
In the given figure, AP is equal to
olympiad
math
ch-7
triangles
class10
answered
Jul 27, 2016
by
meena.p
1
answer
In trapezium $ABCD$, if $AB = 9\; cm, DC = 6\; cm$ and $BD = 12\; cm$, then $BO$ is equal to
olympiad
math
ch-7
triangles
class10
answered
Jul 27, 2016
by
meena.p
1
answer
In the given figure if $BP \parallel CF,DP \parallel EF,$ then $AD : DE$ is equal to
olympiad
math
ch-7
triangles
class10
answered
Jul 27, 2016
by
meena.p
1
answer
In the given figure $PQ \parallel BC$.$\large\frac{AP}{PB}$$=4$then the value of $\large\frac{AQ}{AC}$
olympiad
math
ch-7
triangles
class10
answered
Jul 27, 2016
by
meena.p
1
answer
In the adjoining figure P and Q are points on the sides $AB$ and $AC$ respectively of $\Delta ABC$ such that $AP = 3.5 \;cm, PB = 7\;cm, AQ = 3 \;cm, QC = 6\; cm$ and $PQ = 4.5\; cm$. The measure of $BC$ is equal to
olympiad
math
ch-7
triangles
class10
answered
Jul 27, 2016
by
meena.p
1
answer
If $\Delta ABC \approx \Delta EDF \;and\; \Delta ABC$ not similar to $\Delta DEF$ then which of the following is not true?
olympiad
math
ch-7
triangles
class10
answered
Jul 26, 2016
by
meena.p
1
answer
It is given that $\Delta ABC \approx \Delta DFE, \angle A=30^{\circ}, \angle C=40^{\circ},AB=5\;cm, \Delta ABC \approx \Delta DFE, \angle A=300, \angle C=400, AB=5\;cm,AC=8\;cm$ and $DF=7.5\;cm$.Then, the following is true.
olympiad
math
ch-7
triangles
class10
asked
Jul 26, 2016
by
meena.p
0
answers
If in two triangles $ABC$ and $DEF,\large\frac{AB}{DE}=\frac{BC}{FE}=\frac{CA}{FD},$ then
olympiad
math
ch-7
triangles
class10
answered
Jul 26, 2016
by
meena.p
1
answer
If in $\Delta ABC$ and $\Delta DEF, \large\frac{AB}{DE}=\frac{BC}{FD},\frac{AB}{DE}=\frac{BC}{FD},$ then they will be similar, when
olympiad
math
ch-7
triangles
class10
answered
Jul 26, 2016
by
meena.p
1
answer
In $\Delta ABC$ and $\Delta PQR, \angle B, \Delta ABC,$ and $\Delta PQR, \angle B = \angle Q, \angle R=\angle C$ and $AB=\angle Q,\angle R= \angle C$ and $AB =2QR$.Then,thetrianglesare
olympiad
math
ch-7
triangles
class10
answered
Jul 26, 2016
by
meena.p
1
answer
All the trees in the park are flowering trees. Some of the trees in the park are dogwoods. All dogwoods in the park are flowering trees. If the first two statements are true, the third statement is
olympiad
class10
math
ch11
logical-and-analytical-reasoning
answered
Jul 21, 2016
by
meena.p
1
answer
Blueberries cost more than strawberries. Blueberries cost less than raspberries. Raspberries cost more than both strawberries and blueberries. If the first two statements are true, the third statement is
olympiad
class10
math
ch11
logical-and-analytical-reasoning
answered
Jul 21, 2016
by
meena.p
1
answer
Each problem consists of three statements. Based on the first two statements, the third statement may be true, false, or uncertain.Tanya is older than Eric. Cliff is older than Tanya. Eric is older than Cliff. If the first two statements are true, the third statement is
olympiad
class10
math
ch11
logical-and-analytical-reasoning
answered
Jul 21, 2016
by
meena.p
1
answer
Tim's commute never bothered him because there were always seats available on the train and he was able to spend his 40 minutes comfortably reading the newspaper or catching up on paperwork. Ever since the train schedule changed, the train has been extremely crowded, and by the time the doors open at his station, there isn't a seat to be found.
olympiad
class10
math
ch11
logical-and-analytical-reasoning
answered
Jul 21, 2016
by
meena.p
1
answer
Last summer, Mike spent two weeks at a summer camp. There, he went hiking, swimming, and canoeing. This summer, Mike looks forward to attending a two-week music camp, where he hopes to sing, dance, and learn to play the guitar.
olympiad
class10
math
ch11
logical-and-analytical-reasoning
answered
Jul 21, 2016
by
meena.p
1
answer
Erin is twelve years old. For three years, she has been asking her parents for a dog. Her parents have told her that they believe a dog would not be happy in an apartment, but they have given her permission to have a bird. Erin has not yet decided what kind of bird she would like to have.
olympiad
class10
math
ch11
logical-and-analytical-reasoning
answered
Jul 21, 2016
by
meena.p
1
answer
The Pacific yew is an evergreen tree that grows in the Pacific Northwest. The Pacific yew has a fleshy, poisonous fruit. Recently, taxol, a substance found in the bark of the Pacific yew, was discovered to be a promising new anticancer drug.
olympiad
class10
math
ch11
logical-and-analytical-reasoning
answered
Jul 21, 2016
by
meena.p
1
answer
Find the statement that must be true according to the given information. Vincent has a paper route. Each morning, he delivers 37 newspapers to customers in his neighborhood. It takes Vincent 50 minutes to deliver all the papers. If Vincent is sick or has other plans, his friend Thomas, who lives on the same street, will sometimes deliver the papers for him.
olympiad
class10
math
ch11
logical-and-analytical-reasoning
answered
Jul 21, 2016
by
meena.p
1
answer
Apartments in the Riverdale Manor cost less than apartments in The Gaslight Commons. Apartments in the Livingston Gate cost more than apartments in the The Gaslight Commons. Of the three apartment buildings, the Livingston Gate costs the most. If the first two statements are true, the third statement is
olympiad
class10
math
ch11
logical-and-analytical-reasoning
answered
Jul 21, 2016
by
meena.p
1
answer
Mara runs faster than Gail. Lily runs faster than Mara. Gail runs faster than Lily. If the first two statements are true, the third statement is
olympiad
class10
math
ch11
logical-and-analytical-reasoning
answered
Jul 21, 2016
by
meena.p
1
answer
All the trees in the park are flowering trees. Some of the trees in the park are dogwoods. All dogwoods in the park are flowering trees. If the first two statements are true, the third statement is
olympiad
class10
math
ch11
logical-and-analytical-reasoning
answered
Jul 21, 2016
by
meena.p
1
answer
Blueberries cost more than strawberries. 2. Blueberries cost less than raspberries. Raspberries cost more than strawberries and blueberries. If the first two statements are true, the third statement is
olympiad
class10
math
ch11
logical-and-analytical-reasoning
answered
Jul 21, 2016
by
meena.p
1
answer
Tanya is older than Eric. Cliff is older than Tanya. Eric is older than Cliff. If the first two statements are true, the third statement is
olympiad
class10
math
ch11
logical-and-analytical-reasoning
answered
Jul 20, 2016
by
meena.p
1
answer
Count the number of parallelogram in the given figure.
olympiad
class10
math
ch11
logical-and-analytical-reasoning
answered
Jul 20, 2016
by
meena.p
1
answer
Count the number of parallelogram in the given figure.
olympiad
class10
math
ch11
logical-and-analytical-reasoning
answered
Jul 20, 2016
by
meena.p
1
answer
In the adjoining figure, if the centres of all the circles are joined by horizontal and vertical lines, then find the number of squares that can be formed.
olympiad
class10
math
ch11
logical-and-analytical-reasoning
answered
Jul 20, 2016
by
meena.p
1
answer
Count the number of triangles and squares in the given figure.
olympiad
class10
math
ch11
logical-and-analytical-reasoning
answered
Jul 20, 2016
by
meena.p
1
answer
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