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Identify a quadrant from the given image.

Question 27
In a medical examination of students of a class, the following blood groups are recorded.

$\begin{array}{ccccc}\text{Blood group}& A& AB& B& O\\ \text{Number of}& 10& 13& 12& 5\\ \text{students}& & & & \end{array}$

A student is selected at random from the class. The probability that he/she has blood group B is:

A) $\frac{1}{4}$
B) $\frac{13}{40}$
C) $\frac{3}{10}$
D) $\frac{1}{8}$

Question 58 (j)

Subtract:

$11-15y^2$ from $y^3-15y^2-y-11.$

The area of a circle is $\pi d^2$ square units, then the radius of the circle is ___.

Find the area of a trapezium whose parallel sides are 57 cm and 39 cm, and the distance between them is 28 cm.

An ice- berg shrinks by one- fourth every month. If its current height is 6428 m. above sea level. Calculate the height of the ice berg after 4 months.

Current height of iceberg
h=6428 m

It shrinks by 1/4 th every month.

So,
After first month,
h1 =6428/4 =1607 or h1=6428 - (6428/4) = 4821

Can you please confirm?

If the weight of 12 sheet of thick paper is 40 grams. How many sheets of the same paper would weight $\frac{5}{2}$ kilograms?

Letter S has which of the following:

How long will it take to drive 450 km if you are driving at a speed of 50 km per hour?

If 15 men can reap a field in 28 days; in ___ days, 5 men can reap it.

Question 156

Two poles of 10 m and 15 m stand upright on a plane ground. If the distance between the tops is 13 m, find the distance between their feet.

James and Joseph brought a brick of ice cream. John ate $(\frac{20}{40}{)}^{th}$ part of the brick. Which of the following statement is true about Joseph if it is assumed that the rest of the ice cream was finished by him?

The set A = {0} is ___.

A triangular wall having sides 3 m, 5 m and 6 m has to be painted. If the cost of painting $1m^2$ of a wall is ₹5, what is the cost of painting the whole wall?

Ram drew a line segment of length 10 cm. He told Arjun that he has scaled down. The scale used by him is 2 cm = 100 m. What is the actual length of the line segment?

What will be the result of (-2)/3 multiply by 3/(-2)... How it can be simplified .......Question from intigers..

Observe the rectangle given below

If we rearrange the dots and make this rectangle a square, then what will be the side of that square?

${(4pq+3q)}^2-{(4pq-3q)}^2=$ ___.

How is the pre-image(A) related to the image(A')?

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

Simplify $(xy+yz{)}^2$$-2$ $x^2$ $y^2$z. Find the value when $x=-1,y=1$ and $z=2$.

An ore contains 15% of iron. How much ore will be required to get 36 kg of iron ?

The monthly salaries of Anshul and Vipul are Rs 1000 and Rs 1500 respectively. If Anshul spends $\frac{4}{5}$^th of his income and Vipul spends $\frac{2}{3}$^rd of his income. Find the total money spent by them in a month.

Question 8(ii)
Verify a−(−b) = a + b for the following values of a and b.
a = 118, b =125

Below is a copy of a calendar of July 2015

Then the products of the diagonals of any 2 $\times$ 2 square are always ____ apart.

(Do it algebraically and choose the right answer)

Which number do we get, if we skip two numbers on the right side of -1 on a number line?

The number of permutation of n objects, where p₁ objects are of one kind, p₂ objects are of second kind, and so on till pk objects are of k^th kind and rest, if any, are of different kinds is

If 8% of a number is 240 then the number is

Find the mean proportion of 3 and 243

Find the value of $4^{10}+4^{10}+4^{10}+4^{11}.$

The image of the point (-5,-6) when reflected in the origin is ___

The value of $(1{)}^{-2}$ + ${\left(\frac{1}{2}\right)}^{-2}$ +${\left(\frac{1}{3}\right)}^{-2}$+ ${\left(\frac{1}{4}\right)}^{-2}$ is:

There is a park with two triangular jogging tracks. Rahul and his friend Arjun went for jogging and their jogging is completed after they reach their stating point. The park had a route map which mentioned that the sides of jogging tracks with the same color have the same length and nothing was mentioned about different colored sides.

Both of them started jogging at 7 AM on different tracks. Rahul finished his jogging at 7:40 AM. At what time will Arjun finish his jogging if both of them are jogging at the same speed?

$(1.02{)}^2–(0.98{)}^2=$

What should be added to $\frac{-3}{8}$ to get $\frac{5}{16}$?

If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance travelled by him is:

$$\begin{array}{cccccccccccccccc}Bus& 1& 2& 3& 4& 5& 6& 7& 8& 9& 10& 11& 12& 13& 14& 15\\ Time(hr:min)& 8:15& 8:18& 8:23& 8:29& 8:32& 8:40& 8:45& 8:52& 8:54& 9:00& 9:07& 9:13& 9:20& 9:25& 9:32\end{array}$$

In the above observation, how many buses have reached within 5 minutes?

A book consists of 216 pages. During last week, Suresh read $\frac{3}{4}$ of the book. How many pages did he read ?

There are two rectangles. Both the rectangles have breadth 35 units. The length of one rectangle is 50 units and the length of the other rectangle is 25 units. Then the sum areas of the two rectangles is

Find the midpoint of a line segment of AB = 8 cm , With AB as base construct an isoceles triangle of 2 equal angles having value of ${40}^{\circ }$ [3 MARKS]

Consider a triangle ABC in which BC is 6 cm, Angle B is ${75}^{\circ }$. What is the minimum value of AB+AC?

Which of the following is not true for the figure below?

A body goes from C to D taking 10 seconds with a speed of 20 m/s and then goes from D to E in 20 seconds with a speed of 30 m/s. The average speed of the body during the whole journey is