Recent questions tagged olympiad

Which of the following expression in INCORRECT ?

asked Aug 1, 2016 by meena.p

1 answer

Subtract the number obtained by reversing the digits of the number $20198$ from the number obtained by interchanging the digits in the units place and the hundred's place of the same number , we get

asked Aug 1, 2016 by meena.p

1 answer

While removing brackets, the order in which the brackets are removed is __________

asked Aug 1, 2016 by meena.p

1 answer

Find the sum of the given expression. $(-172)+40+5+(-425) +(-275)+600-(-15)$

asked Aug 1, 2016 by meena.p

2 answers

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:

asked 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

asked 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 :

asked 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 :

asked 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 :

asked 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

asked 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

asked Aug 1, 2016 by meena.p

1 answer

If the circumference of a circle and the perimeter of a square are equal, then

asked 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

asked 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

asked Aug 1, 2016 by meena.p

1 answer

If $A, B$ and $C$ are interior angles of a triangle $ABC$, then the value of $\tan \bigg(\large\frac{B+C}{2}\bigg)$

asked 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

asked 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}$

asked 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}$

asked Jul 27, 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

asked Jul 27, 2016 by meena.p

1 answer

In the given figure, AP is equal to

asked 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

asked 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

asked Jul 27, 2016 by meena.p

1 answer

In the given figure $PQ \parallel BC$.$\large\frac{AP}{PB}$$=4$then the value of $\large\frac{AQ}{AC}$

asked 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

asked 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?

asked 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.

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

asked 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

asked 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

asked 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

asked 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

asked 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

asked 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.

asked 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.

asked 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.

asked 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.

asked 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.

asked 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

asked 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

asked 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

asked 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

asked 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

asked Jul 20, 2016 by meena.p

1 answer

Count the number of parallelogram in the given figure.

asked Jul 20, 2016 by meena.p

1 answer

Count the number of parallelogram in the given figure.

asked 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.

asked Jul 20, 2016 by meena.p

1 answer

Count the number of triangles and squares in the given figure.

asked Jul 20, 2016 by meena.p

1 answer

What is the minimum number of different colours required to paint he given figure such that no two adjacent regions have the same colour?

asked Jul 20, 2016 by meena.p

1 answer

There is some relationship between diagrams A & B. The same relationship persists between C & D. Find the right diagrams for D from the alternatives.

asked Jul 20, 2016 by meena.p

1 answer

There is some relationship between diagrams A & B. The same relationship persists between C & D. Find the right diagrams for D from the alternatives.

asked Jul 20, 2016 by meena.p

1 answer

There is some relationship between diagrams A & B. The same relationship persists between C & D. Find the right diagrams for D from the alternatives.

asked Jul 20, 2016 by meena.p

1 answer

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