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The circumference of a circle whose radius is 3.5 cm is ________ cm.

1. 22

Choose the pair of co-prime numbers.

The number of boys and girls in a class are in the ratio 8 : 7. The number of boys is 15 more than the number of girls. What is the total class strength? [2 MARKS]

The circumference of a circle whose radius is 3.5 cm is ___ cm

Draw the perpendicular bisector of a line segment of length 8 cm.
[2 MARKS]

Consider a rectangle of length 12 cm and breadth 2 cm.Then the perimeter of this rectangle is

Question 58 (g)

Subtract:

$x^3{y}^2+3x^2{y}^2-7x{y}^3$ from $x^4+y^4+3x^2{y}^2-x{y}^3.$

The value of $\sqrt{484}$ is equal to

$$\begin{array}{cc}Bag& Chocolates\\ 1& 12\\ 2& 19\\ 3& 18\\ 4& 22\\ 5& 11\end{array}$$

5 bags had some amount of chocolates in them, as shown in the table. The probability of occurrence of more than 18 chocolates in a bag if a bag is chosen at random will be ___

Express the ratio $45:60$ in its simplest form.

Rahul scored 10 marks in math, -5 marks in science. Find his total marks in math and science.

Observe the graph and answer:

Who won the election?

$\begin{array}{cc}\text{Properties of multiplication of integers}& \text{Representation}\\ 1).\text{Distributive Property}& a).a\times b=b\times a\\ 2).\text{Commutative Property}& b).a\times (b\times c)=(a\times b)\times c\\ 3).\text{Associative Property}& c).a\times (b+c)=(a\times b)+(a\times c)\end{array}$

Pick the option which shows the correct match.

The ratio of the circumference of a circle to its ____ is $\pi$.

2.34 × 10^-6 can be written in the usual form as

Question 5 (ii)
In the given figure, the arms of two angles are parallel. If $\Delta ABC={70}^{\circ }$, then find: $\angle DEF$

OX bisects $\angle AOB$. C is any point on OX. if $CD\perp OA$ and $CE\perp OB$, then which of the following is true ?

The temperature at Delhi was 36^oC, Kolkata was at 24^oC, Bangalore was at 20^oC. Patna, on the other hand, was at 2^oC, Shillong at -2^oC and Srinagar was at 0^oC. Which city is the coolest?

Question 13 (iv)
If two adjacent angles are supplementary, they form a ___

The value of $\sqrt[3]{3212+\sqrt[3]{364}}$ is

In an isosceles triangle, if the vertex angle is twice the sum of the base angles, then the angles of the triangle are

${\left(\right(2{)}^2)}^2$× ($3^3$ ÷$4^2$) ÷ $3^2$ is equal to

Statement 1: Product of two integers with same signs is always a positive integer.

Statement 2: Product of two integers with different signs is always a positive integer.

Aju borrowed Rs. 10000 from Shubh at the rate of 10% per annum for 3 years. What is the interest that has to be paid by Aju?

Find the difference between the median and the mode of the following data set:

1 6 45 4 33 12 19 6 56 25 13 9

(a) Find $xfor4x+10=20$

(b) Set up an equation in the following case:
Irfan says that he has 7 marbles more than five times the marbles Parmeet has. Irfan has 37 marbles. (Take 'm' to be the number of Parmeet’s marbles.) [2 MARKS]

Simplify $5\frac{1}{4}$ + $6\frac{2}{3}$

In the given figure, ABCD is a kite with AC and BD as diagonals and $\angle ABC$ = ${30}^{\circ }$. Find $x$.

The train is moving at a uniform speed of 80 kmph. How far will it go in 15 minutes?

A train-K whose length is 200 m, passes a train-B (which is not moving) of 400 m long in 15 s. Find the speed of the train-K.

108 km/h =___ m/s

What is the probability of drawing the black slice of the pizza? [2 MARKS]

Express 3460 grams in kilograms.

Now express $17\frac{1}{2}$ kg in grams. [2 MARKS]

Question 86 (i)

Find the reciprocal of the following:
$(\frac{1}{2}\times \frac{1}{4})+(\frac{1}{2}\times 6)$

Question 31

Fill in the blanks to make the statement true.

In natural numbers, x - 5 = - 5 has ............... solution.

$\text{The product of two numbers is}-\frac{4}{9}.\text{If one of them is}\frac{-2}{27,}\text{find the other.}$

Which is the longest side in the triangle $PQR$, right - angled at $P$?

X tells you that his capital on 31st December 2016 is Rs 1,87,000 and his capital on 1st January 2016 was Rs 1,92,000. He further informs you that during the year, he gave a loan of Rs 35,000 to his brother on private account and withdrew Rs 3,000 per month for personal purposes, he also used a flat for his personal purposes, the rent of which at the rate of Rs 1,000 per month and electricity charges at an average rate of Rs 100 per month were paid from the business acount. During the year , he sold his $7\%$ government bonds of Rs 20,000 at $2\%$ premium and brought that money into the business. Besides this , there is no other information.

You are required to prepare a statement of profit.

Identify the noun which is singled out through the comparison.
The _______ in this class are smarter than the boys.

Cost of 6 kg of wheat is Rs 72.

a) What will be the cost of 8 kg of wheat?

b) What quantity of wheat can be purchased in Rs 61?