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Question 2(d)

Give a rough estimate (by rounding off to nearest hundreds) and also a closer estimate
(by rounding off to nearest tens):
4,89,348 – 48,365

The points of intersection of the edges of a 3 dimensional solid are called its ____ .

Look at the table and select the correct option.

Which of the following is the correct representation of $7.\overline{25}$ on a number line ?

A carpenter earns ₹ 9800 for 28 days of work. How many days will he have to work to get ₹ 12,600?

What is the value of the following expression?

$\frac{-45}{15}+\frac{-3}{-27}+\frac{8}{9}$

Consider
the following figure of line.
Say whether following statements are true or false in context of the
given figure.

(a) Q, M,
O, N, P are points on the line.

(b) M, O,
N are points on a line segment.

(c) M and
N are end points of line segment.

(d) O and
N are end points of line segment.

(e) M is
one of the end points of line segment.

(f) M is
point on ray.

(g) Ray
is
different from ray.

(h) Ray
is
same as ray.

(i) Ray
is
not opposite to ray.

(j) O is
not an initial point of.

(k) N is
the initial point of
and.

The line of symmetry in the pictureis

Shane correctly determines the probability of drawing a red queen from a well-shuffled pack of $52$ cards as .

Quadrilateral in which only one pair of opposite sides is parallel is known as _______.

Michel owes $3,Steveowes$5 but Cooper doesn't owe anything. Each of them has $13 in their pocket presently. Place these people on the number line and find who is poorest and who is richest. [3 MARKS]

Question 1

Write the following as number in the given table:

$\begin{array}{cccc}\text{Hundreds}& \text{Tens}& \text{Ones}& \text{Tenths}\\ \left(100\right)& \left(10\right)& \left(1\right)& \left(\frac{1}{10}\right)\\ & & & \\ & & & \end{array}$

Find the mode of the following data.

$$\begin{array}{cccccc}\text{Class interval}& 0-100& 100-200& 200-300& 300-400& 400-500\\ \text{Frequency}& 7& 11& 15& 9& 8\end{array}$$

___

Ajit was asked to form the largest and the smallest five digit number by using digits 4, 9, 7, 2 and 1 (He can not repeat the digits). What's the difference between the largest and the smallest number formed?

A boy is running to and fro from point A to point B with a constant speed of 20 m/s. If point A and B are 5 m apart, find the frequency of the to and fro motion undertaken by the boy.

Which of the following has a semi-circular shape?

Question 10 (b)

Find the LCM of the following numbers:
12 and 5
Observe a common property in the obtained LCMs. Is LCM the product of two numbers in each case?

Express the following as improper fraction:

$7\frac{3}{4}$

What is the meaning of multiplicative identity ? And what is it ?this is not from any byjus videos, this question was in one of my school's maths Olympiad practice worksheet.

Identify the correct statement among the following:

Draw ÐPOQ
of measure 75° and find its
line of symmetry.

Question 3 (a)

Write down the measure of:
Some acute angles

Question 5 (i)

A study was conducted to find out the concentration of sulphur dioxide in the air in parts per million (ppm) of a certain city. The data obtained for 30 days isas follows:

$\begin{array}{cccccc}0.03& 0.08& 0.08& 0.09& 0.04& 0.17\\ 0.16& 0.05& 0.02& 0.06& 0.18& 0.20\\ 0.11& 0.08& 0.12& 0.13& 0.22& 0.07\\ 0.08& 0.01& 0.10& 0.06& 0.09& 0.18\\ 0.11& 0.07& 0.05& 0.07& 0.01& 0.04\end{array}$

(i) Make a grouped frequency distribution table for this data with class intervals as 0.00 - 0.04, 0.04 - 0.08, and so on.

A 75${}^{\circ }$ angle can be made by drawing angle bisector between a 90${}^{\circ }$ angle arm and a ___${}^{\circ }$ angle arm.