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Find 90's square using the proximity method(method to find squares between 75-125).

Dividing $4x^2-10x+6$ by $2$, we get ______.

Above pie chart represents a data for a student who scored marks in different subjects. In which subject the student has got maximum percentage marks?

In an isosceles triangle one side is $12cm$ (other than the equal sides) and its perimeter is $26cm$. Find the area of the triangle.

Observe the following table:

Simplify :
${(a-b)}^2+4ab$

Evaluate (i) $\left\{\right(\frac{1}{3}{)}^{-1}-(\frac{1}{4}{)}^{-1}{\}}^{-1}$ (ii) $(\frac{5}{8}{)}^{-7}\times (\frac{8}{5}{)}^{-4}$

A bacterial population doubles every hour. If there are 1000 bacteria now, when were 125 bacteria present?

Draw nets for the following polyhedrons :

The ages of A and B are in the ratio 5 : 7. Four years from now the ratio of their ages will be 3 : 4. The present age of B is

(a) 20 years

(b) 28 years

(c) 15 years

(d) 21 years

Mark the correct option:

If , the value of x is

A. 5

B. 6

C. 7

D. 8

$x^3-x=?\left(a\right)x(x^2-x)\left(b\right)x(x-x^2)\left(c\right)x(1+x)(1-x)\left(d\right)x(x+1)(x-1)$

Identify the possessive noun from the sentence.

Hari’s shop was doing fairly well for a few years.

Question 84(i)

Given below is a pie chart showing the time spend by a group of 350 children in different games. Observe it and answer the questions that follow.



How many children spend atleast one our in playing games ?

If A = {1,2,3,4,5,6} and B = {2,4,6,8}, then A - B = ?

A box contains 7 red flowers, 5 white flowers, 4 pink flowers and 8 yellow flowers. Swetha picks a flower at random from the box. What is the probability that Swetha picks a pink or yellow flower?

1. 28

What is the last step in constructing quadrilateral with 3 sides and 2 included angles given?

I purchased a hair-dryer for Rs 5,400 including $8\%$ VAT. Find the price before VAT was added. [2 MARKS]

What is the factorization of $x^2-\frac{16x}{15}-1$?

Find the irreducible form of
$4a^2+12a.$

Which of the following points represents point $F$ which is the midpoint between $C(5,0)$ and $D(5,-4)?$

If 15 men can complete a piece of work in 30 days, in how many days will 18 men complete it?

Integers are not closed under which opeartions?

Match the following:
$\begin{array}{cc}\text{Column A}& \text{Column B}\\ 1.\{1,2,4,8\}& \text{A.{x: x is a natural even number less than 10}}\\ 2.\left\{2\right\}& \text{B.{x: x is a prime number and a divisor of 8}}\\ 3.\{2,4,6,8\}& \text{C.{x: x is a divisor of 8}}\\ 4.\{4,6,8,9\}& \text{D.{x: x is a composite number less than 10}}\end{array}$

Find the distance covered by the tip of the second hand of a clock in $1$ minute if the hand is $8$ cm long.

If A can complete work in 4 days, B can complete the work in in T days and both A and B together can complete the work in 8/3 days, then find the value of T.

The floor of a building consists of 3000 tiles which are rhombus
shaped and each of its diagonals are 45 cm and 30 cm in length. Find
the total cost of polishing the floor, if the cost per m²
is Rs 4.

In which of the following ways can four people hold each other's hands to form a quadrilateral?

Solve the following.

50% of a number is 10. Find the number.

If we make a parallelogram with adjacent sides 6 cm and 6 cm and a diagonal of 8 cm, we will get