Recent questions in Class 8

$11025$ students are sitting in a lawn in such a way that there are as many students in a row as there are rows in the lawn. Find the number of rows in the lawn .

asked Mar 25, 2015 by meena.p

1 answer

Find the least perfect square number which is divisible by $16,20$ and $24?$

asked Mar 25, 2015 by meena.p

0 answers

Find the least perfect square number which is divisible by $16,20$ and $24?$

asked Mar 25, 2015 by meena.p

1 answer

Compute $\sqrt{0.0016}$

asked Mar 25, 2015 by meena.p

1 answer

If $(17)^2$ subtracted from a square of a number (x), the result obtained is $1232$ Find the number 'x'

asked Mar 25, 2015 by meena.p

1 answer

Find the smallest number that must be added to get a perfect square: 18265

asked Mar 25, 2015 by meena.p

1 answer

Find the least number which must be subtracted from the $390700$ so as to leave a perfect square.

asked Mar 25, 2015 by meena.p

1 answer

Find the number of digits in the square root of $390625$

asked Mar 25, 2015 by meena.p

1 answer

A PT teacher wants to arrange maximum number of $6000$ syudents in a field such that the number of row is equal to the number of columns. Find the number of rows if $71$ students were left out after the arrangement.

asked Mar 25, 2015 by meena.p

1 answer

Find the Pythagorean triplet whose smallest member is 12 .

asked Mar 25, 2015 by meena.p

1 answer

With out adding find the sum $(1+3+5+7+9+11+13+15+17)$

asked Mar 25, 2015 by meena.p

1 answer

$n^2=$ the sum of first n _________ natural number.

asked Mar 25, 2015 by meena.p

1 answer

The square of an even number is ______

asked Mar 25, 2015 by meena.p

1 answer

Find the square root of $441 \times 961$

asked Mar 25, 2015 by meena.p

1 answer

Find the square of $71$

asked Mar 25, 2015 by meena.p

1 answer

Express 49 as the sum of 7 odd number .

asked Mar 25, 2015 by meena.p

1 answer

Find the smallest number by which $768$ must be multiplied to get the perfect square number .

asked Mar 25, 2015 by meena.p

1 answer

The students of a class arranged a picnic. Each student contribute as many rupees as the number of students in the class . If the total contribution is $Rs. 1156$ , find the strength of the class.

asked Mar 25, 2015 by meena.p

1 answer

$1225$ plants are to be planted in a garden in such a way that each row contains as many plants as the number of rows. Find the number of rows and the number of plants in each row.

asked Mar 25, 2015 by meena.p

1 answer

Find out the value of $\sqrt {45} \times \sqrt {20}$

asked Mar 25, 2015 by meena.p

1 answer

Find the value of $\large\frac{\sqrt {243}}{\sqrt {363}}$

asked Mar 25, 2015 by meena.p

1 answer

Find the value of $\large\frac{\sqrt 7}{2}$ up to 3 decimal places.

asked Mar 24, 2015 by meena.p

1 answer

Evaluate $\sqrt {\large\frac{441}{196}}$

asked Mar 24, 2015 by meena.p

1 answer

Evaluate $\sqrt {42.25}$

asked Mar 24, 2015 by meena.p

1 answer

Find the cost of erecting a fence around a square field whose area is 9 hectares if fencing costs $Rs. 3.50$ per metre.

asked Mar 24, 2015 by meena.p

1 answer

Find the greatest number of four digits which is a perfect square.

asked Mar 24, 2015 by meena.p

1 answer

Find the least number that must be subtracted to make the number a perfect square $7250$

asked Mar 24, 2015 by meena.p

1 answer

Find the square root of $625$

asked Mar 24, 2015 by meena.p

1 answer

Find the square root of $0.04$

asked Mar 24, 2015 by meena.p

1 answer

Find the smallest number that should be multiplied by $5408$ to make it a perfect square.

asked Mar 24, 2015 by meena.p

1 answer

Find the squares of $\large\frac{-75}{100}$

asked Mar 24, 2015 by meena.p

1 answer

If $\large\frac{2a}{\sqrt 2}$ $=2 \sqrt 2$ , find a

asked Mar 24, 2015 by meena.p

1 answer

Find the square root of the rational number $\large\frac{2916}{6241}$

asked Mar 24, 2015 by meena.p

1 answer

Find the square root of the following rational number $\large\frac{841}{5184}$

asked Mar 24, 2015 by meena.p

1 answer

If $\sqrt m =24$ find $2m+1$

asked Mar 24, 2015 by meena.p

1 answer

Find the square roots of the perfect square $44944$ by factorizing.

asked Mar 24, 2015 by meena.p

1 answer

A school collected $Rs. 2304$ as fees from its students. If each student pays as much as the number of students in the school, how many students were their in the school?

asked Mar 24, 2015 by meena.p

1 answer

$5929$ students are sitting in an auditorium in such a manner that there are as many students in a row as there are rows in the auditorium . How many rows are there in the auditorium ?

asked Mar 24, 2015 by meena.p

1 answer

Find the smallest number by which $9408$ must be divided so that it becomes a perfect square.

asked Mar 24, 2015 by meena.p

1 answer

Find the square root of $47089$ by means of factors.

asked Mar 24, 2015 by meena.p

1 answer

Which of the following triplets are Pythagorean.

asked Mar 24, 2015 by meena.p

1 answer

$(65)^2$ =?

asked Mar 24, 2015 by meena.p

1 answer

Write down the correct number in the box. $(101)^2 -(100)^2 =$ _________

asked Mar 24, 2015 by meena.p

1 answer

Is $12345600000$ is a Perfect square.

asked Mar 24, 2015 by meena.p

1 answer

Find the smallest number by which $396$ must be divided so as to get a perfect square.

asked Mar 24, 2015 by meena.p

2 answers

Find the smallest number by which 252 must be mutiplied to make it a perfect square.

asked Mar 24, 2015 by meena.p

4 answers

Is 36 a perfect square ?

asked Mar 24, 2015 by meena.p

1 answer

A box contains 24 identical balls of which 12 are white and 12 are black . The balls are drawn at random from the box one at a time with replacement . The probability that a white ball is drawn for the 4th time on the 7th draw is

asked Feb 28, 2015 by meena.p

1 answer

Find $x+y+z$

asked Feb 26, 2015 by meena.p

1 answer

Find $\angle x$

asked Feb 26, 2015 by meena.p

1 answer

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