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The cost price of a printer is Rs3400,which is 15%below the marked price. If the article is sold at a discount of 10%,find(1)the m.p(ii)the s.p(iii)the profit,and the profit percent

If the figure "ABCD" is a parallelogram. Which among the following is/are true?

In a right triangle ABC, B =90^o.
If AC= 13 cm, BC = 5 cm, find AB.

Question 168

The left column of the chart lists is the length of input pieces of ribbon. Stretching machines are listed across the top.

The other entries are the outputs for sending the input ribbon form that row through the machine from that column. Copy and complete the chart.

What is the equation of a line that passes through (0,1) and is perpendicular to the line $2x+y=1$?

Question 72

In the following question, state whether the statement is True (T) or False (F):

Common factor of $12a^2{b}^2+4a{b}^2-32$ is 4.

If $b$ is very small as compared to the value of $a$, so that the cube and other higher powers of $\frac{b}{a}$ can be neglected in the identity $\frac{1}{a-b}+\frac{1}{a-2b}+\frac{1}{a-3b}+\cdots +\frac{1}{a-nb}=\alpha n+\beta n^2+\gamma n^3$, then the value of $\gamma$ is

Question 97(iii)

The following pie chart depicts the expenditure of a state government under different heads :



What fraction of the total expenditure is spents on both roads and public welfare together ?

The area of a square tile is 324 square units. What is the length of each side of the tile?

How can we find the perfect cube and what is a perfect cube

Rakhi's mother is four times as old as Rakhi. After 5 years, her mother will be three times as old as she will be then. Find their present ages.

The largest number which always divides the sum of any pair of consecutive odd numbers is:

By using the formula, find the amount and compound interest on:

The bacteria in a culture grows by $10\%$ in the first hour, decreases by $10\%$ in the second hour and again increases by $10\%$ in the third hour. Find the bacteria at the end of 3 hours if the count was initially 20000.

Construct a triangle ABC in which BC = 4.5 cm, ∠B = 35° and difference between the other two sides is 2.8 cm. (Optional)

Sum of all interior angles of a nonagon is

Question 66

In the following question, state whether the statement is True (T) or False (F):

The factors of $a^2-2ab+b^2$ are (a+b) and (a+b).

A graph which displays data that changes continuously over period of time is __ graph.

Fill in the blanks to make the statement true:

$\frac{x}{5}+30=18$ has the solution as _______.

You all were tired after playing and the school got over. Your sister, Emma and you were walking home when she spotted an ice cream truck and that she wanted to have one. She asked for a cornetto. While having the ice cream she got a doubt about its shape. You recollected of whatever you learnt in your Math and Art class and told he the shape as _______.

Two angles of a quadrilateral are ${68}^o$ and ${76}^o$. If the other two angles are in the ratio 5 : 7; find the measure of each of them.

Anmol was cutting a piece of paper with a pair of scissors. He observed that as he increases the angle of the scissors, then the vertically opposite angle ___.

Find the value of $\frac{8!}{(8-3)!\times 3!}?$

Which of the following expressions are polynomials?

(i) $x^2+4$

(ii) $4-x^{-1}$

(iii) $2x^2-\frac{2}{x}$

The amount of space occupied by a 3D shape is called its:

Simplify:

(i) ;

_(ii);

(iii);

(iv)

(v);

(vi).

What is the least positive integer n such that is also an integer?

Evaluate the product: $(x+4)(x-4)$

Ipsa bought a car which covers 363 km in 24.2 liters of petrol. One day, she has to go to airport but in her car there was only 7 liters of petrol, how far can she go?

Number of students who voted for chocolate chip = 6.5 x 2 = 13

Number of students who voted for vanilla = 3.5 x 2 = 7

Required number of students = 13 - 7 = 6

When a die was rolled 60 times, the following was observed.

$\begin{array}{ccccccc}\text{Outcome}& 1& 2& 3& 4& 5& 6\\ \text{Frequency}& 9& 10& 12& 13& 7& 9\end{array}$

(i) Which number had an experimental probability that matched the theoretical probability?

(ii) How many numbers had an experimental probability that was less than that which would have been predicted by theoretical probability?

What fraction of an hour is 40 minutes?

1. 11

If 24 kg of rice costs Rs. 400, then how many Kgs of rice can be bought for Rs. 100