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Which of the following number is divisible by 5 and 10 both?

Pipes A and B can fill the tank in 7 and 8 hours respectively. Pipe C can empty it in 16 hours. If all the three pipes are opened together, then the tank will be filled approximately in

Class $8$ students did a survey on birthdays. This chart shows the number of people with birthdays in each three months of the year. $A)$ From the chart, how many people have a birthday before July? $B)$ How many people have a birthday in December if nobody has a birthday in October and six people have a birthday in November.

In a basket, there are 10 apples and 5 bananas. Find the percentage of bananas in the basket.

From the following figure, find the length of IT and TE.

After nearly 5-6 km, Jack could now see the city vaguely. He was so particular about time that he used to note down the distance and the time he took to go to office every day. He had a picture of one of those notes on his tablet. Now using the data from the picture, find out how many minutes will Jack roughly take to reach Cottage city if it is still 4 km away?

I need at least one angle and one side to construct a quadrilateral. Which one is it? [1 MARK]

If $a$ is a non-zero integer and $m$ and $n$ are any integers, then $a^m\times a^n$ = .

In the given figure, AB equal to ___ units.

Question 82

Find the area of shaded portion.

Factorize $(a^2-b^2)(c^2-d^2)-4abcd$

Construct a rhombus $ABCD,$ with $AC=6cm$ and $BD=4.6cm.$

Factorise $2x^2+11x+15$

A bag contains ₹510 in the form of 50 p, 25 p and 20 p coins in the ratio 2 : 3 : 4. Find the number of coins of each type respectively.

The cost of car, purchased 2 years ago, depreciates at the rate of $20\%$ every year. If its present worth is Rs.315600, find its purchase price.

If the height of a cylinder becomes $\frac{1}{8}$ of the original height and the radius is doubled, then which of the following will be true?

Question 113

Solve the following

Madhulika thought of a number, doubled it and added 20 to it. On dividing the resulting number by 25, she gets 4. What is the number?

The scale of a map is given as $1:40000000$. Two cities are $4cm$ apart on the map. Find the actual distance between them on the ground.

The square of which of the following would be an odd number?

The distances of points that lie above the origin, which are measured along the Y axis, are taken as ____, and the distances of points that lie below the origin, which are measured along the Y axis, are taken as ____.

Find the volume of a cuboid of dimensions 20 × 10 × 5 units.

The reciprocal of ($\frac{7}{6}$ $\times$ $\frac{-3}{28}$) is ___.

How many natural numbers are there in between $9^2$ and ${11}^2$?

Given that x and y are in inverse proportion, and $y_1$, $y_2$ are values of $y$ corresponding to the values $x_1$,$x_2$ of $x$ respectively. Which of the following is correct?

If the compound interest earned on ₹30000 at 7% per annum is ₹4347, then find the time period (in years).

One of the diagonals of a Rhombus and its sides are equal . Find the angles of the Rhombus

A parallelogram has sides of 12 cm and 8 cm. If the distance between the 12 cm sides is 5 cm. Find the distance between 8 cm sides. [4 MARKS]

State the type of the underlined adjective.

Which team won the competition?

If 6, 8 and c form a Pythagorean triplet, then find the value of c?

Santosh has x pens, and y pencils . Anjan has 3 pens less than Santosh, but thrice as many pencils. The expression for the total number of pencils and pens with Anjan is:

The volumes of two hemispheres are in the ratio of 8:27. Find the ratio of their radii.

The number 9735 can be expressed as

^{the product of two rational no is 0 if one of the no is 10 find the other}

Pie chart showing marks by a student in a examination by student

If total marks are $540$ obtain by student then find.

1 in which subject he scored $105$ marks

2 how many more marks were obtained by student in math than in hindi

Question 8(iii)
Using $(x+a)(x+b)=x^2+(a+b)x+ab$, find
$103\times 98$

(a) Edward has a shining star as shown below. What is the total number of lines of symmetry in this star?

(b) How many lines of symmetry does a regular pentagon have? [2 MARKS]

Find the value of t in the formula given below, if v = 4 , s = 5, n = 2 and r = 3 are given.

$v=\frac{2(t-s)}{9n}{r}^2$

Expand :

(i) $(2a+b{)}^2$

(ii) $(a-2b{)}^2$

(iii) ${(a+\frac{1}{2a})}^2$

(iv) ${(2a-\frac{1}{a})}^2$

(v) $(a+b-c{)}^2$

(vi) $(a-b+c{)}^2$

(vii) ${(3x+\frac{1}{3x})}^2$

(viii) ${(2x-\frac{1}{2x})}^2$

Choose the correct Tally chart that represents the following data.

The following shows the marks obtained by 20 students of a class in a math test (out of 10 marks)

4, 7 , 8, 10, 10, 9 , 3 , 5 , 7 , 8

8 ,4, 9, 3, 10, 8, 9 , 5, 7, 8

Suresh deposited Rs 7500 in a bank for 6 months at the rate of 8% p.a., interest being compounded quarterly. Find the amount he received after 6 months.

The points (other than origin) for which abscissa is equal to the ordinate will lie in which quadrant/s?

The crystal are bounded by plane faces (f), straight edges (e) and interfacial angle (c). The relationship between these is:

Factorise : $3x^5-6x^4-2x^3+4x^2+x-2$

The two adjacent sides of a rectangle are 5$x^2$ - 3$y^2$ and $x^2$ + 2$xy$ . Find its perimeter.