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Which of the following is the correct solution to $7.2\times 9.8$ ? Solve by estimation.

Find the HCF and LCM of (a) 145,232 (b) 693,1078

Question 5(vii)

Give expression for the following case:

y is multiplied by 5 and result is subtracted from 16.

Marks obtained by different students are represented using the bar graph. Find the difference between (a) Pratik's and Shubendu's marks (b) Rohan's and Gaurav's marks. [2 MARKS]

A cistern of capacity 8000 litres measures externally 3.3 m by 2.6 m by 1.1 m and its walls are 5 cm thick. Calculate the thickness of the bottom.

If the three digit number 20x is divisible by 9, what would be the value of x?

The area of the rectangle of length = 1 m and width = 2 m is $2m^2$ . What will be the volume of a rectangular block with the same base area and height = 1 m ?

Solve:

$\frac{1}{3}$ of $\frac{2}{3}$

___percent of the grid is colored in the picture which is given below.

You were asked to form the largest five digit number using the digits 7, 8, 5, 4 and 9. There is no limit on repetition of digits. Then the largest five digit number formed will be

In each of
the following pairs, which number is to the right of the other on the
number line?

(a) 2, 9 (b) − 3, − 8 (c) 0, − 1

(d) −
11, 10 (e) − 6, 6 (f) 1, − 100

Which of the following have exactly three factors?

Fill in
the blanks with >, < or = sign.

(a) (−
3) + (− 6) _____ (− 3) − (− 6)

(b) (−
21) − (− 10) _____ (− 31) + (− 11)

(c) 45 −
(− 11) _____ 57 + (− 4)

(d) (−
25) − (− 42) _____ (− 42) − (−25)

Let $△=\left|\begin{array}{ccc}f& g& h\\ a& b& c\\ x& y& z\end{array}\right|,$ then which of the following statement(s) is(are) correct?

(where $M_{ij}$ is minor of element $a_{ij}$)

Raju's age is 5 more than twice Ram's age. If Ram's age is represented by x, the expression which represents Raju's age is ______.

The volume of a box which is 12 cm in length, 10 cm in breadth and 5 cm in height is ___.

Generally, tally marks are recorded in groups of _____________.

The following pictographs give us the number of guests who visited Pratik's house in the last 4 days. On which day, the number of guests were maximum? On this day, how many more guests came as compared to the previous day?

Two numbers having ___ as a common factor are called ___ numbers.

Which is an example of the commutative property of addition?

Using which of the following measurements, can a $△$ ABC be constructed ?

Some chocolates are distributed amongst a group of students equally. What can be said about the share of chocolates of each student?

Select the bubbles which contain proper fraction.

There are 3 gold coins and 7 silver coins in Bella's coin collection. What is/are the different way(s) to represent the ratio of the number of gold coins to the number of silver coins?

Which of the following statements are correct?

i. 0 + 2 is a whole number

ii. 0 ÷ 49843 is a not a whole number

iii. 98645 $\times$ 5678 = 5678 $\times$ 98645

50 bells B1 , B2 , B3 ,.......B50 start ringing together. The bells ring after every 1, 2, 3, 4, 5, 6, 7, 8, 9, 10.....50 sec respectively. Bells $B_{11}$ , $B_{22}$, $B_{33}$ and $B_{44}$ ring together in $2^2.a^1.b^1$ sec. Which of the following is always true about a and b ?

Find the value of 'x' if $\left(\frac{5}{6}\right)$ + x = -1

Identify the correct division statement.

There are 20 butterflies divided into 2 equal groups, and their are 10 butterflies in each group.

Statements: P $ T, G ? N, T N

Conclusions:

I. P $ N

II. G ? T