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Question 82 (i)

Subtract

$5a^2{b}^2{c}^{2}from-7a^2{b}^2{c}^2$

The area of a triangle of base b and corresponding height h is _______ .

Question 131

In $\Delta PQR$, if $3\angle P=4\angle Q=6\angle R$, calculate the angles of the triangle.

Question 50

To multiply a decimal number by 1000, we move the decimal point in the number to the right by three places.

$△$ABC is constructed such that AB = 5 cm, BC = 7 cm and $\angle$B = 50${}^{\circ }$. Then, the measure of $\angle$A is

4${}^7$ $÷$ 16${}^4$ x $\sqrt{16}$= ?

Prove that the coordinates of the centroid of the triangle whose vertices are $(x_1,y_1),(x_2,y_2)and(x_3,y_3)$ are $(\frac{x_1+x_2+x_3}{3},\frac{y_1+y_2+y_3}{3})$ and also, deduce that the medians of a triangles are concurrent.

Points A, B and C are taken in such a way that they lie on the same line in that order. Point D does not lie on the line $\overleftrightarrow{AB}$.

Statement 1: $\angle$ABD and $\angle$DBC are supplementary

Statement 2: $\angle$ABD and $\angle$DBC form a linear pair

Choose the correct option:

If a polyhedron has 6 faces and 8 vertices, then it has ___ edges.

How many rational numbers are there between two rational numbers?

What is the maximum or minimum value of the expression 2x - 3x² + 7?

If x = recurring 1.23 and y = recurring 12.3. Find x + y.

1. 108

Hema, Shefali and Molly each drew two of these card.

Shefali said, " the sum of my number is 3/2 ."

Hema said, "the sum of my number is 1. "

Molly said, "the difference of my numbers just less than one."

The cards are:

3/8, 1/4, 5/8, 5/4, 11/16, 13/8

Which card did each one have?

From a collection of $20$ consecutive natural numbers, four are selected such that they are not consecutive. The number of such selections is

Why should we not use sharp, pointed objects to clean our ears?

Question 3 (ii)
Express 35 mm in cm, m and km

Good evening mam/sir

My query is that...Reena climbs up 5 stairs in every second and then climb down 2 stairs over the next second . How many second will she take to climb 60 stairs..

Thank you

In a class of 35 students 7 students were absent. What is the percentage of students that were present?

Question 80 (ii)

Find the product of $\frac{-22}{11}$ and $\frac{-21}{11}$.

Population of a city ABC is shown in the bar graphs for different year.
What is the ratio of the population in 2010 year to the population in 2012 year?

The coefficient of the term $x{y}^3$ in the expression $5x^3+10x{y}^3$ is ___.

In the given figure, if $AD\perp BC$ and BD = DC, then which of the following are true ?

The reciprocal of $\frac{5}{9}$ is ___. (Write a/b as ab)

How to remember the sides of a polygon?

2 m wide path is built along the border and inside a square garden of side 11 m. The area of the path is_____.

Question 73

In questions 60 to 79, state whether the statements are True or False.
If a chair is bought for ₹ 2000 and is sold at a gain of 10 %, then selling price of the chair is ₹ 2010.

There are 2 two digit numbers such that one has been obtained by swapping the digits of the other.

On subtracting the smaller number from the larger number, I get a number divisible by :

Question 33

State whether the following statement is true (T) or false (F).

3 years ago, the age of boy was y years. His age 2 years ago was (y-2) years.

Question 72 (a)

Find the value of $7^0$

Question 113(iii)
Find the number of cubes in each of the following figure and in each case give the top, front, left side and right side view (arrow indicating the front view).

Question 98

Measures (in degrees ) of two supplementary angles are consecutive odd integers. Find the angles.

Question 85(iii)
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:


Which city in this list has the largest percentage fo skyscrapers?

What is the value of $0.01\times 0.02$ ?

Prepare Cash Book with Bank Column of Vinod from the following transactions:

Jan. 1 Cash in hand Rs.2,300 and Bank overdraft Rs.12,000

Jan. 7 Cheque received from Ram Rs.4,000.

Jan. 9 Deposited the above cheque into Bank.

Jan. 12 Goods sold for Rs.15,000 and deposited into the bank on the same day.

Jan. 18 Money withdrawn from bank for office use Rs.2,000.

Jan. 23 Money withdrawn from bank for personal use Rs.1,000.

Jan. 31 Bank charges Rs.200.

Last week, it rained on 5 days out of 7 days. The probability that if we pick a random day from the week, it will be a rainy day is

Angles of a triangle are in the ratio 2 : 4 : 3. The smallest angle of the triangle is

What will be the result of $2\times (-(-4\left)\right)\times (-2)$?

The magnitude of an angle is expressed in __.

The area of the given square and rectangle are same. If the square side is 4m, and ratio of length and breadth of the rectangle is 2. Find the length of the rectangle?
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What statement does suit the below statement the best?

2x + 2 = 12