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Question 84(v)
Observe the given data

Calculate the average sale during the week.

Find the number of letters (upper case) in English alphabet which have rotational symmetry. (Answer in terms of a number.)

___

1. 3

For the construction of a ${60}^{\circ }$ angle, which of the following instruments is not necessary?

Question 56 (a)

Simplify the following by combining the like terms and then write whether the expression is a monomial, a binomial or a trinomial.

$3x^{2}y{z}^2-3x{y}^{2}z+x^{2}y{z}^2+7x{y}^{2}z$

The perimeter of a rectangular swimming pool is 64m. If the length and breadth are in the ratio of 5: 3. Find the length of the rectangular swimming pool in (m).

13, 16, 22, 33, 51, (?)

A sum of money amounts to $Rs.6690$ after $3$ years and to $Rs.10,035$ after $6$ years on compound interest. Find the sum.

Solve the inequation 3 $\ge$ $\frac{(x-2)}{2}$ + $\frac{x}{3}$, x $\in$ N. Find the cardinality(number of elements) of the set representing all the possible values of x.

Find the square root of the following decimal number:
7.29

If I add a 2 digit number and the number formed by swapping digits, the number is surely divisible by ___

A sum when reckoned at 7$\frac{1}{2}\%$ per annum amounts to Rs. 3920 in 3 years. Find the sum

Consider the figure:

If $\angle$B = ${50}^{\circ }$, $\angle$ACD = ${120}^{\circ }$, and x = 2y, then find the value of $\angle$A (in degrees).

Add the following: a(a+b), b(b+c), c(a+c) and $a^2$ + $b^2$ + $c^2$

Express the number as product of its prime factors
7429

A regular octagon has __ lines of symmetry.

$(\sqrt{98}{)}^3$ can be written as

Mohan deposits Rs 5,000 in his bank account and withdraws Rs 3,642 from it, the next day. If withdrawal of amount from the account is represented by a negative integer, then how will you represent the amount deposited? what is the balance in Mohan’s account after the withdrawal

If 2500 people in a town are Hindu out of 12500 people, what is the percentage if Hindu people?

What is the percentage decrease in the number of vehicles manufactured by the company from 2011 to 2012?

If a = 2 and b = 3, then find the value of $a^b\times b^a$.

"Although Central Bank issues currency we say commercial banks create money." Explain how.

Assume your usual speed is 10 km/hr. It takes 3 hrs from your house to your friend's house, if you walk at this speed. Then how long will it take to cover a distance of 50 km with the same speed?

How many lines of symmetry are possible for the given figure?

Which of the following is an example of 3D object?

1. 7

Question 113

Jiya walks 6 km due east and then 8 km due north. How far is she from her starting place?

Question 86

Two lines AB and CD intersect at O (see the figure). Write all the pairs of adjacent angles by taking angles 1,2,3 and 4 only.

Which of the following statements are correct for a round trip along the same route?

X+6=2

Mrs Rane gives 0.025 part of her salary as pocket money to her son Vinod every month . Vinod spends 0.8 part of his pocket money and saves the rest . If he saves ₹277.50 in three months, how much does Mrs Rane earn in a month

Question 142 (i)

Without drawing the triangles write all six pairs of equal measures in the given pair of congruent triangles.

$\Delta STU\cong \Delta DEF$

The list price of an article is Rs 500 and it is sold for Rs 450. What is the discount percentage?

In the figure below, AB = 6 cm and AC = 8 cm. If D and E are the midpoints of AB and AC respectively, find the area of $\Delta ADE\left(inc{m}^2\right)$.

Which of the following statements is incorrect?

Question 85(i)
Below a list of 10 tallest buildings in India,
This list ranks buildings in India that stand at least 150 m (492 ft.) Tall based and standard height measurement. This includes spires and architectural details but does not include antenna marks. The following data is given as per the available information till 2009. Since new buildings are always under construction, go online to check new taller buildings. Use the information given in the table about skyscrapers to answer the following questions:

Find the height fo each storey of the three tallest buildings and write them in the following table:

If two cardboard boxes occupy $500$ cubic centimetres space, then ___ cubic centimetres space will be required to keep $200$ such boxes?

What is the value of $x$ if $4x-7=3x+5$?

One of the factors of $4x^2-36$ is:

Expand: 635891

Question 9(e)
Use the sign of >, < or = in the box to make the statements true.
$-231+79+51\square -399+159+81$

The value of $\sqrt{324}$ is equal to

Find the approximate values of the 89527 up-to tens place.

Additive inverse of a number x added to itself gives