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Question 45. Consider the following matrix-


Select a suitable figure from the four alternatives that would complete the figure matrix-

'Yes, that makes perfect sense. I understood the concept of negative numbers', said Shubhlin as other mathematicians nodded in agreement. Then you asked one more question, 'If you have understood the concepts, tell me if you have -5 gold coins and you earn 15 more gold coins. How many gold coins you have now, mathematically?

At this Shubhlin started thinking and told: I will have-

A line has ___ dimension(s).

1. 11

A positive number is, by mistake divided by 6 instead of being multiplied by 6. What is the percentage error (approximately)?

How many three letter codes can be formed by only vowels of English alphabets, given that repetition of letters is allowed?

There is a six faced die. Ram wants to find the probability that the number that lands on the die is at least 3. What is the number of favourable outcomes?

The runs scored by Nitish is five more than one-eighth of that scored by Shekhar. If Shekhar scored 'y' runs then the expression for the runs scored by Nitish is ________.

If A = {Set of students of class VI} and B = {Set of students of class VII}, then A and B are _____.

Samaira heard 3 bells toll together at 10:00 AM. The first bell tolls after every 5 second, the second tolls after every 9 seconds and the third tolls after every 10 seconds. When will they toll together again?

Which of the following lay eggs?

$\text{Given X = {1, 8, 27} and Y = {1, 4, 9, 16, 25, 36}}$
$X\cup Y=?$

The natural number that lies between 56 and 58 is

The space occupied by an object is called its ___ .

How many right angles do you need to add to get an angle which is equal to angle around a point?

What is the angle included between the hour hand and the minute hand, if the time shown by the watch is 06:30? Is it acute or obtuse?

Add the following fractions:

$\frac{15}{2}and\frac{4}{3}$

Any two points of a polygon when joined would form a

(a) If 5z + 27 = 3z + 33, find the value of z
(b) If 7x + 14 = 34 - 3x, find the value of x [2 MARKS]

How many lines of symmetry are possible for the given pentagon? [3 MARKS]

Which is correct for a square pyramid?

Then came Ted’s favorite period, GAMES!! But his PT teacher interrupted their game as he had to record the heights and weights of the students in his class.

All the students returned to class after the teacher recorded the readings. He put a question to one of the students to give the ratio of his height which is 150 cm to a girl's height, which is is 1.4 m. What should be his answer?

If the circumference of a circular park is five units more than its radius $r$, then the circumference can be expressed as ______.

Question 69

Choose a letter x, y, z, p etc...., wherever necessary, for the unknown (variable) and write the corresponding expressions for the given statement:

p is divided by 11 and the result is added to 10.

Add the following fractions:
$\frac{29}{3}$ and $\frac{5}{4}$

Question 19

State if the statement is true or false.

To find the cost of painting a wall we need to find the perimeter of the wall.

Question 3

A figure is said to be regular if its sides are equal in length and angles are equal in measure. Can you identify the regular quadrilateral?

Frame an expression - Three less than half of a number.

Question 84

Measurement made in Science lab must be as accurate as possible. Ravi measured the length of an iron rod and said, it was 19.34 cm long; Kamal said 19.25 cm; and Abish said 19.27 cm. the correct length was 19.33 cm. How much of error was made by each of the boys?

Question 7

Draw an angle of measure ${135}^{\circ }$ and bisect it.

Question 4 (a)

Measure the angle given below, using the protractor and write down the measure:

Among 123.04 and 123.78, the smaller number is ___.

Question 47

The marked price of a table is Rs. 625 and its sale price is Rs. 500. What is the ratio of the sale price to the marked price?

Question 46

How many square slabs each with side 90 cm are needed to cover a floor of area 81 sq m?

Find the cost of ploughing a rectangular farm at the rate of Rs.12/m², having length and breadth equal to 12 m and 5 m respectively.

Question 1(b)

Estimate the following using general rule:
796 – 314

One third of a number when added to 20 is 30. Can you find the number?

$5\frac{1}{6}-3\frac{1}{4}$ =_____

The solid that can be made by folding the given net is ___.

Question 149

Fill in the blank to make the statement true.

The LCM of two or more given numbers is the lowest of their common ___.

Among 21.52 and 21.57, ___is greater.

Question 32.

State True/False

On the number line, an integer on the right of a given integer is always larger than the integer.

An 'n'-sided regular polygon has ___ lines of symmetry.

Write the contrapositive of the statement. 'If a number is divisible by 9, then it is divisible by 3,?

Question 2 (i)

Using divisibility test, determine whether the given number is divisible by 4; by 8:
1700

Question 3(a)

Is the following statement True or False:

40 persons : 200 persons = Rs 15 : Rs 75

Question 183

Find the LCM of 160, 170 and 90.