Explore topic-wise InterviewSolutions in Current Affairs.

Mohit sold a T.V. for 3,600; gaining one-sixth of its selling price. Find : (i) the gain. (ii) the cost price of the T.V. (iii) the gain percent.

Find the compound interest earned on ₹ 20,000 for 3 years at 10% per annum compounded annually.

Where does the point (3, 0) lie?

If you are given AB = 5 cm, BC = 6 cm, CD = 7 cm, DA = 6 cm and $\angle$ ABC= ${60}^{\circ }$, can you draw a quadrilateral?

A rectangle of length and breadth equal to 19m and 17m respectively has to be converted into a square of equal area. What will be the side of the square? (Give answer till two decimal places).

What will be the linear equation for the given graph?

The population of a village is 20,000. If the annual birth rate is $4\%$ and the annual death rate $2\%$, calculate the population after two years.

Construct rectangles ABCD with following data

AB=6cm,CD=4cm

Evaluate the exponential expression $(-m{)}^3\times (-m{)}^2$, for $m=3$. [2 MARKS]

$35xy+45x+5y^2+25xyz$ is a :

The table below contains different sports and the number of people who like it. If a person likes football, he makes an entry in the table as football and so on. $$\begin{array}{cc}\text{Sports}& \text{Number of Entries}\\ \text{Football}& 10\\ \text{Badminton}& 11\\ \text{Volley Ball}& 15\\ \text{Cricket}& 25\\ \text{Basket Ball}& 20\end{array}$$
What is the frequency of the sport volleyball in the table?

Find the value of x in the given triangle.

Factorise Completely : $a{x}^2-a{y}^2$

If 10 consecutive odd numbers are added, then their sum is:

The factorisation of $2a^2+7a+6$ is

Simplify the following:

$\left(i\right)(1.5x-4y)(1.5x+4y+3)$

$\left(ii\right)(x+y)(2x+y)+(x+2y)(x-y)$

$\left(iii\right)(a^2+5)(b^3+3)+5$

The length of the curve shown in red is given by :

A rhombus ABCD is to be constructed with side AB = 5 cm. Which of the following dimensions must also be specified to construct the rhombus?

Question 92 (xxvii)

Factorise the following using the identity $a^2-b^2=(a+b)(a-b).$

$(x+y{)}^4-(x-y{)}^4$

$x^2+4x-21=?\left(a\right)(x-7)(x+3)\left(b\right)(x+7)(x-3)\left(c\right)(x-7)(x-3)\left(d\right)(x+7)(x+3)$

Solve :

8x + 3 = 27 + 2x

Rani purchases a pair of shoes whose sale price is Rs. 175. If he pays a VAT at the rate of $7\%$, how much amount does he pays as VAT. Find the net value of the pair of shoes.

Factorise the polynomial $14(3y-5z{)}^3+7(3y-5z{)}^2$

If the flow rate of water from a pipe is $2m^3{s}^{-1}$, then how much time will it take to fill a bucket of volume $1200m^3$?

What is $(a-2b{)}^3$ ?

Constructing 2 rays, divide a line segment AB of any legth in the ratio 6:2.

Which of the following can be the sides of a right angled triangle?

How are all whole numbers integers

The sides of a triangle are $x^2-3xy+8,4x^2+5xy-3and6-3x^2+4xy$.Find its perimeter.

A quadrilateral ABCD has AB = 7 cm, BC = 4 cm, CD = 5 cm, ∠B = 80^o and ∠C = 100^o. To construct the quadrilateral ABCD, the first step is to draw AB = 7 cm. Which of the following will be the second step?

0.00000000837 is expressed in its standard form as $x.37\times {10}^y$, where $x$ and $y$ are integers. The value of $y\times {10}^x$ is

7/12 of a circle is respresented by an activity on a pie chart. The central angle made by this sector will be

The number of projects handled by company B decreased by what percent from 2004 to 2006?

The heights (in cm) of students of a class is tabulated below.
$$\begin{array}{cc}\text{Height}& \text{Number of students}\\ 150-154& 4\\ 155-159& 3\\ 160-164& 2\\ 165-169& 1\\ 170-174& 2\\ 175-179& 2\\ 180-184& 4\\ 185-190& 2\\ \text{Total}& 20\end{array}$$
Identify the correct option(s).

1. 5

Ramu has a rectangular plot. He knows that the area of the field is 90/7 m². His son tells him that if he knows either of the length or breadth of the field then he will be able to find the other measurement. Ramu tells that the breadth of the plot is 5/14 m, and then what is length of the field?

Ten men, working for 6 days of 10 hours each, finish $\frac{5}{21}$ of a piece of work. How many men working at the same rate and for the same number of hours each day, will be required to complete the remaining work in 8 days?

If a polyhedron has 8 faces and 8 vertices,
find the number of edges in it.

What is the difference between equation and an expression? [2 MARK]

There is a narrow rectangular plot reserved for a school in Mauli village the length and breadth of the plot are in the ratio 11:4 at the rate Rs 100 per meter it will cost the village panchayat at 75000 rupees to fence the plot what are the dimension of the plot

The quotient $q\left(x\right)$ is when the polynomial $(x^4+x^3-2x^2+x-1)$ is divided by $(x-1)$.

A can do $\frac{1}{4}$ of a work in 5 days and B can do $\frac{1}{3}$ of the same work in 10 days. Find the number of days in which both working together will complete the work.

(a) Find out the unknown $\angle BOD$ in the given quadrilateral ABDC in which $AB\parallel CD$. Given that AD & BC are angle bisectors of $\angle BAC$& $\angle DCA$ respectively. [4 MARKS]

(b) What is the value of (x+y) in the figure below:

Medhav and Gopal earned points in the ratio of 5:6. If each of them lost 8 points, the ratio would become 4:5. Find the points earned by them initially.