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Question 4 (iv)
If $\Delta DEF\cong \Delta BCA$, write the part(s) of $\Delta BCA$ that corresponds to:
$\overline{DF}$

Which of the following expressions are polynomials?

(i). $5x^2-7x+\frac{3}{2}$

(ii). $4a^2+\frac{7}{a}+5a$

(iii). $u^2+uv+3v^2$

1. 68.3

Question 43

State whether the statement given is True or False.

4p is the numerical coefficient of $q^2$ in $-4p{q}^2$.

Question 7 (b)

Identify like terms in the following:

$10pq,7p,8q,-p^2{q}^2,-7qp,-100q,-23,12q^2{p}^2,-5p^2,41,2405p,78qp,13p^{2}q,q{p}^2,701p^2$

Question 3(iii)

Identify the operations used (addition, subtraction, division, multiplication) in forming the following expressions and tell how the expressions have been formed:

2y +17 , 2y - 17

Evaluate $\frac{(2^2{)}^2}{16}$

Perimeter of a square plot with side 2$x$ is 40 units. Find the length of the side of the square plot.

$6^{-5}$ x $5^{-2}$ x $6^3$ x $5^m$ x $6^n$ = 1, then m + n will be

In the given figure if $\angle$ BAC = ${60}^{\circ }$, AB = AC = 6cm then find the length of BC.

1. 1.5

If P(A)= 0.5, P(B) = 0.02 and P(A$\cap$B) = 0.005, find P(A$\cup$B)

Question 5 (iii)

When a = 0, b = -1, find the value of the given expression:
$2a^{2}b+2a{b}^2+ab$

Abhishek opened a Recurring deposit account in a bank and deposited Rs. 800 per month for 1$\frac{1}{2}$ years. If he received Rs. 15,084 at the time of maturity, then find the rate of interest per annum.

Which of the following fractions lie between 2 and 3 on number line?

In the given figure, if AB = AC and $\angle ADB=\angle ADC={90}^{\circ }$, then which of the following is true?

The length of a side of a square whose area is $441$ sq cm is

Which of the following has a pair of parallel lines?

1. 225

Question 85 (f)

Evaluate
$\frac{{15}^4\times {18}^3}{3^3\times 5^2\times {12}^2}$

Ram sold a flower vase at 10% loss. The cost price of the vase was ₹ 120. Find the selling price of the flower vase.

In the following triangle, if CD = BE and EC = 3cm, then, BD is equal to ______cm.

(a) Lines AB & CD are parallel. Find out the alternate, corresponding, co-interior & vertically opposite angles.

(b) (i)


l and m are parallel lines and t is the transversal. Find x

(ii)


l and m are parallel lines and t is the transversal. Find x.
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Question 137

In the given figure, if ST = SU, then find the values of x and y.

Question 16

Data collected in a survey shows that 40% of the buyers are interested in buying a particular brand of toothpaste. The central angle of the sector of the pie chart representing this information is:

(a) 120°

(b) 150°

(c) 144°

(d) 40°

Ajeet has 5 more than thrice the apple than Manoj . If Manoj has 'y' apple, then the number of apple Ajeet has will be equal to

Sita’s monthly salary was reduced by $10\%$. If her monthly salary was ₹40000, what is her new annual salary?

Rahul added 5 chocolates to his box of 100 chocolates.
His friend Ramu also added 5 chocolates to his own box to get a total of 105 chocolates.
How many chocolates did Ramu have in his box before adding 5 chocolates?

It is 82% likely that India will win the match means that, ___.

How can I post questions that have diagrams along with it. I am facing some problems in lines and angles but I am not anle to post the questions . what should I do

P, Q and R can do a work in 12, 24 and 32 days respectively. They all begin together. P continues to work till it is finished. R left after 4 days and Q one and half day before its completion. In what time is the work finished?

Which of the following correctly represent 294 as the product of its prime power?

Which of the following should be the FIRST sentence after rearrangement?

Given: Area of parallelogram = Base $\times$ Height

Statement 1: A diagonal of a parallelogram divides it into two congruent triangles.

Statement 2: Areas of two congruent triangles are exactly equal.

What should be subtracted from $\frac{-3}{5}$ to get 1?

23.45-12.97

Find the product of -81 and -43

The perimeter of the given polygon (in centimetres) is ___ cm.

A die is thrown 1000 times with the frequencies for the outcomes 1, 2, 3, 4, 5 and 6 as given in the following table:

$$\begin{array}{ccccccc}\text{Outcome}& 1& 2& 3& 4& 5& 6\\ \text{Frequency}& 165& 175& 180& 150& 145& 185\end{array}$$

What is the probability of getting a 2 or 4?

In the given figure, the area enclosed between the two concentric circles is 770 cm². If the radius of outer circle is 21 cm, calculate the radius of the inner circle.

Akash tried to make a $\Delta ABC$ whose rough figure is given below.

He first drew BC. Then taking B as a centre he drew $7cm$ arc and C as a centre he drew a $3cm$ arc.

Will he be able to get the point A? Yes or No.

If $a$, $b$ and $c$ are three consecutive multiples of $5$ then,

There are only two institutes- NIN and NNMB which have collected data on average height.