Explore topic-wise InterviewSolutions in Current Affairs.

The following table shows number of males and females of a locality in different age groups.

$\begin{array}{cccc}\text{Age~in~years}& 10-20& 21-50& \text{Above~50}\\ \text{Male}& 12& 16& 4\\ \text{Female}& 8& 14& 6\end{array}$

If one person is selected at random, find the probability that the selected person is male

The sum of three consecutive numbers is 51. Find the numbers.

When you explained the solution to their problem by drawing this diagram, Shubhlin asked you: 'Why have you coloured all the stations' locations with different shades?' You answered: The colour shades become darker -

A window is in the form of a rectangle surmounted by a semicircular opening. The total perimeter of the window is 10 m. Find the radius of the semicircular opening of the window to admit maximum light.

What is the result of an integer divided by zero

(a) What is the value of x in the figure given below if it is known that perimeter of the triangle is 86?

(b) Set up an equation in the following case and find the value of the unknown:
In an isosceles triangle, the vertex angle is twice either base angle. (Let the base angle be b in degrees. Remember that the sum of angles of a triangle is 180 degrees). [3 MARKS]

Bill met a couple of friends from the “House of Rational Numbers, Q”. They claimed to be unharmed by The Reciprocus. Bill challenged both of them to prove their claim. These occupants went to the temple, entered and exited the temple,with no effect on them! The Reciprocus had no effect on these occupants!

How many occupants could be in that group? (Enter the numerical value)

In the given diagram, $\angle$XOB and $\angle$YO'P are called ________.

The train is moving at a uniform speed of 80 kmph. Find the distance covered by it in 15 minutes.

Question 97

State whether the statement is True or False.

Two circles having same circumference are congruent.

Solve the following inequations and graph the solution on the number line

2 – 5 < 5 + 4 < 11, ε R.

(-16) x 9 can be written as

Choose the correct formula to find SP when CP and profit percent are given:

The table shows the number of marks scored by four students in an exam .
$$\begin{array}{cc}Student& Marksscored\\ 1& 90\\ 2& 75\\ 3& 45\\ 4& 60\end{array}$$
What is the angle of sector in a pie chart representing the marks of student 3?

Question 112

Rita has bought a carpet of size $4m\times 6\frac{2}{3}m$. But her room size is $3\frac{1}{3}m\times 5\frac{1}{3}$, what fraction of the area should be cut - off to fit wall to wall carpet into the room?

Question 8(i)
Compare the following numbers:
(i) $2.7\times {10}^{12};1.5\times {10}^8$

Find the interest on 1000 rupees at 10% interest rate in 10 years.

Question 79(iii)

In the given figure P, Q and R are collinear points and TQ$\perp$ PR. Name four pairs of adjacent angles.

Question 88(iii)
The data given below shows the production of motorbikes in a factory for some months of two consecutive years.

Study the table given above and answer the following question:
Find the mean production for the year 2007.

If $x=2,y=5andz=4$
Find the value of:
$\frac{xz}{yz}$

Which number is the multiplicative identity for integers?
___

$(-7)\times (-13)=\text{\_\_\_}$

Question 87

Express $16\frac{2}{3}\%$ as a ratio in the lowest form.

Question 39

Fill in the blanks to make the statement true.

Finding the value of a variable in a linear equation that .............. the equation is called a ............. of the equation.

From the following compute (a) Current Ratio (b) Quick Ratio

$\begin{array}{cccccc}\text{S.No}& \text{Items}& \text{Amount}& \text{S.No}& \text{Items}& \text{Amount}\\ & & \text{Rs}& & & \text{Rs}\\ 1.& \text{Current Investments}& \text{40,000}& \text{7.}& \text{Short-term Provisions}& \text{3,000}\\ 2.& \text{Inventories}& \text{5,000}& \text{8.}& \text{Other Current Liabilities}& \text{5,000}\\ 3.& \text{Trade Receivable}& \text{2,000}& \text{9.}& \text{Short-term Loans and Advances}& \text{4,000}\\ 4.& \text{Short-term Borrowings}& \text{20,000}& \text{10.}& \text{Tangible Fixed Assets}& \text{1,00,000}\\ 5.& \text{Trade Payables}& \text{2,500}& \text{11.}& \text{Cash \& Cash Equivalents}& \text{10,000}\\ 6.& \text{Prepaid Expenses}& \text{2,000}& \text{12.}& \text{Advance Tax}& \text{8,000}\end{array}$

The exponent of 'c' after simplifying $\left(3ab{)}^2\right(-5a^{2}b{c}^4{)}^2$ is

A ball is thrown from point A, it reaches to a height of x metres and after it bounces on to the land and raises to half the height. Given that it bounces half the height of the previous height. Find the product of first 9 heights. [4 MARKS]

In the given diagram, $\angle$XOB and $\angle$YO'P are called ________.

In the following series, find the next term.
0, 1, 1, 2, 3, 5, 8, 13, __

Question 4 (i)

Find the value of:
$(-4)÷\frac{2}{3}$

Question 6

Two crossroads, each of width 10 m, cut at right angle through the center of a rectangular park of length 700 m and breadth 300 m and parallel to its sides. Find the area of the roads. Also, find the area of the park excluding crossroads. Give the answer in hectares.

If $x:y=7:9andy:z=15:7,findx:z$

If 2(2n+5)=3 (3n-10) then what m equals to.

Question 27

In the following question, out of the four options, only one is correct. Write the correct answer.

${\left(\frac{1}{10}\right)}^0$ is equal to

(a) 0

(b) $\frac{1}{10}$

(c) 1

(d)10

A company gains profit of RS 12 per each piece of pen and loss of RS 8 per each box of pencil .the company sells 2500 pieces of pen and 4000 boxes of pencil of in month. What is the profit or loss?

What is degree of polynomials?

Express the ratio 24 : 25 as a percentage.

Between which centuries did the Pandya and the Chola kings built elaborate temples?

Prove that one of the any 3 consecutive positive integers must be divisible by 3

The line graph below shows the number of teens between the age group 13 to 19 in smalltown that have smart phones.

About how many cell phones do 16.5 year-olds have?

The perimeters of a rectangular pool is 154 m. If the length is 2 more than twice it's breadth. What are the length and breadth of the pool

Question 3 (iii)
Identify which of the following pairs of angles are complementary and which are supplementary:
${112}^{\circ },{68}^{\circ }$