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Recent questions tagged class-10

Which one of the following pairs is different from other their pairs ?

asked Nov 25, 2014 by meena.p

1 answer

Refer the below diagram : The following numbers are arranged based on some pattern or principle. Choose the correct answer for the term marked by the symbol (?)

asked Nov 25, 2014 by meena.p

1 answer

Light year is the unit to measure

asked Nov 25, 2014 by sreemathi.v

1 answer

$x=3+\sqrt 8$,then $x^4+\large\frac{1}{x^4}$ is

asked Nov 25, 2014 by sreemathi.v

1 answer

Refer the below diagram : The following numbers are arranged based on some pattern or principle. Choose the correct answer for the term marked by the symbol (?)

asked Nov 25, 2014 by meena.p

1 answer

AB is a chord of a circle S subtending an angle of $20^{\large\circ}$ at the centre.Suppose AB has length 1008 units and CD is another chord having length 1512 units,then the angle subtended by CD at the centre is

asked Nov 25, 2014 by sreemathi.v

1 answer

It is given that there are 6 straight lines in a plane so that no three of them are concurrent and no two are parallel.Then the number of points of intersection among the given six straight lines is

asked Nov 25, 2014 by sreemathi.v

1 answer

The circle $S_1$ has centre $(1,2)$ and radius 3,the circle $S_2$ has centre at $(9,8)$ and radius 7.The circle $S_1$ and $S_2$ touch at the point whose coordinates are

asked Nov 25, 2014 by sreemathi.v

1 answer

ABC is a triangle with vertices $A(1,2),B(\pi,2),C(1,\pi)$ then the orthocenter of the $\triangle ABC$ has coordinates

asked Nov 25, 2014 by sreemathi.v

1 answer

Refer the below diagram : The following numbers are arranged based on some pattern or principle. Choose the correct answer for the term marked by the symbol (?)

asked Nov 24, 2014 by meena.p

1 answer

Refer the below diagram : The following numbers are arranged based on some pattern or principle. Choose the correct answer for the term marked by the symbol (?)

asked Nov 24, 2014 by meena.p

1 answer

Refer the below diagram : The following numbers are arranged based on some pattern or principle. Choose the correct answer for the term marked by the symbol (?)

asked Nov 24, 2014 by meena.p

1 answer

Refer the below diagram : The following numbers are arranged based on some pattern or principle. Choose the correct answer for the term marked by the symbol (?)

asked Nov 24, 2014 by meena.p

1 answer

Refer the below diagram : The following numbers are arranged based on some pattern or principle. Choose the correct answer for the term marked by the symbol ?

asked Nov 24, 2014 by meena.p

1 answer

The value of $\sin^25^{\large\circ}+\sin^210^{\large\circ}+\sin^215^{\large\circ}+.....+\sin^290^{\large\circ}$ is

asked Nov 24, 2014 by sreemathi.v

1 answer

If $\sec\theta+\cos \theta=\sqrt 5$,the value of $\sec^2\theta+\cos^2\theta$ is

asked Nov 24, 2014 by sreemathi.v

1 answer

The perimeter and area of a sector are $18$ cm and $20$ sq.cm respectively.Then the length of the arc is

asked Nov 24, 2014 by sreemathi.v

1 answer

The following numbers are arranged based on some pattern or principle. Choose the correct answer for the term marked by the symbol ? $6,9,18,21,30?$

asked Nov 24, 2014 by meena.p

1 answer

If each side of a rectangle is increased by $20\%$,then the percentage increase in its area is

asked Nov 24, 2014 by sreemathi.v

1 answer

If $A=\begin{pmatrix}a&b\\c&d\end{pmatrix}$ where $a,b,c,d \in R$ such that $AB=BA$ for each $2\times 2$ matrix $B$,then $b^2+c^2$

asked Nov 24, 2014 by sreemathi.v

1 answer

The following numbers are arranged based on some pattern or principle. Choose the correct answer for the term marked by the symbol ? $0,3,9,18,30,?$

asked Nov 24, 2014 by meena.p

1 answer

A natural number $K$ is chosen from the set $\{1,2,3,....100\}$ .The probability that it is prime is

asked Nov 24, 2014 by sreemathi.v

1 answer

The mean of 16 numbers is $48$.If each number is divided by 4 and diminished by 3,then the new mean is

asked Nov 24, 2014 by sreemathi.v

1 answer

The numbers are arranged in the descending order : $108,94,88,82,x+7,x-7,60,58,42,39$.If the median is $73$,the value of $x$ is

asked Nov 24, 2014 by sreemathi.v

1 answer

If the sum S of three consecutive even numbers is a perfect square between 200 and 400,then the square root of S is

asked Nov 24, 2014 by sreemathi.v

2 answers

The units digit in the decimal expansion of $7^{25}$ is

asked Nov 24, 2014 by sreemathi.v

1 answer

It is given that there is no solution to the system $x+2y=3,ax+by=4$.Which one of the following is true?

asked Nov 24, 2014 by sreemathi.v

1 answer

Suppose that a quadratic polynomial $x^2+bx+1 \in R$,has two zeroes which are both real then which one of the following is necessarily true?

asked Nov 24, 2014 by sreemathi.v

1 answer

Given that $P(x)$ and $Q(x)$ are polynomials of degree 3 with real coefficients,which one of the following is not true?

asked Nov 24, 2014 by sreemathi.v

1 answer

The sum of the first K natural numbers is A,for a certain $K > 1$,the sum of their cubes is B,then $\log_{\sqrt A}B$ is

asked Nov 24, 2014 by sreemathi.v

1 answer

Let N be the set of natural numbers and P be the set of prime integers in N.If $A=\{n/n\in N,n$ is a multiple of some prime $P\in P$,then $N-A=\{n\in N/n\in A\}$ is

asked Nov 24, 2014 by sreemathi.v

1 answer

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