Explore topic-wise InterviewSolutions in Current Affairs.

Question 7(i)
In a class test containing 10 questions, 5 marks are awarded for every correct answer and(-2) marks are awarded for every incorrect answer and 0 for questions not attempted.
Mohan gets four correct and six incorrect answers. What is his score?

Write 47 as the sum of powers of 2

A man goes 40 m due north and then 30 m due west. Find his distance from the starting point.

Question 2 (i)

Identify the terms and their factors in the following expression. Show the terms and factors by tree diagram:

(a) x - 3

(b) $1+x+x^2$

(c) $y-y^3$

(d) $5x{y}^2+7x^{2}y$

(e) $-ab+2b^2-3a^2$

A rod of a certain length is divided into 4 pieces of lengths 2.03 m, 6.89 m, 1.7 m and 3.83 m. If the total length is divided by the length of the smallest part what would be the result?

Three coins are tossed simultaneously 200 times with the following frequencies of different outcomes.

$$\begin{array}{ccccc}Outcomes& 3heads& 2heads& 1head& Nohead\\ Frequency& 23& 72& 77& 28\end{array}$$

Compute the probability of 2 heads coming up.

From the given options, choose the appropriate name for the given figure which extends in both directions infinitely.

Abraham wanted to do plantation in the backyard of his house. To do it in a more interesting way, he decided to follow a fixed pattern. He divided the whole field in 7 rows. Starting from the last row, he planted 21 plants in the last row and 13 plants in the second last and 8 plants in third row from last. How many plants will he plant in the fourth row from the last?

In the figure, AB = AC and AD || BC find the respective measures of x, y and z.

Points A, B and C are taken in such a way that they lie on the same line. 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:

<Two friends arguing>

Arjun: If a figure can be folded along any line such that one half superimposes the other, it is known as a symmetric figure.

Shubh: If you can find a line in the figure which divides it into two identical parts, then the figure is always symmetric.

Factors for $a^2{b}^2+c^2{d}^2-a^2{c}^2-b^2{d}^2$ are:

What are real numbers

The cost of two red balls and five blue balls is ₹160. Then find the correct equation for this situation among the given options.
$(r:\text{price of one red ball})$
$(b:\text{price of one blue ball})$

Question 2 (i)

Ifp = -2,find the value of:
4p + 7

-10 - (-25)= ______

Find the area of a rhombus whose side is 7 cm and altitude is 8 cm.

What does each column in the table represent?

2 multiplied by $\frac{1}{2}$= ?,
3 multiplied by $\frac{1}{4}$= ?,
7 multiplied by $\frac{1}{3}$= ? and
17 multiplied by $\frac{1}{5}$= ?
Simplify your answer and write it as a proper fraction or as a whole or mixed number. [3 MARKS]

Find $(0.4p-0.5q{)}^2$. If p = 5 and q = 4, evaluate the value of the expression. [3 MARKS]

Evaluate

$\frac{-2}{7}+\frac{-4}{11}+\frac{-12}{7}+\frac{-7}{11}$

Which of the following identities is not applicable to simplify
$(4x+5y{)}^2$ - $(5x+4y{)}^2$?

-2 + 5 = ___

$(1-2x{)}^4+4x^2(1-2x{)}^3+6x^4(1-2x{)}^2+4x^6(1-2x)+x^8=$

10 men can reap a field in 20 days. 10 men reaped the field for 10 days and after 10 days 10 more men join them. In how many days will the work be finished?

Amit, Sumit and Samiksha are in partnership sharing profits in the ratio of 3 : 2 : 1. Samiksha share in profit has been guaranteed by Amit and Sumit to be a minimum sum of Rs 8,000. Profits for the year ended March 31, 2006 was Rs 36,000. Divide profit among the partners.

Question 32

Fill in the blanks to make the statement true.

In whole numbers, x + 8 = 12 - 4 has .............. solution.

Question 94 (b)

Taking $x=\frac{-4}{9},y=\frac{5}{12}$ and $z=\frac{7}{18},$ find
The rational number which subtracted from y gives z.

Angles of a triangle are $(x+{10}^{\circ })(x+{40}^{\circ })$ and $(2x-{30}^{\circ }$. What is the value of x?

Question 88

A road crosses a railway line at an angle of ${30}^{\circ }$ as shown in the figure. Find the values of a, b and c.

The value of ${62}^2-{61}^2$ is equal to

Match the following: $\begin{array}{cc}\text{Column A}& \text{Column B}\\ 1.\{1,2,4,8\}& A.\left\{\text{x: x is a natural even number less than 10}\right\}\\ 2.\left\{2\right\}& B.\left\{\text{x: x is a prime number and a divisor of 8}\right\}\\ 3.\{2,4,6,8\}& C.\left\{\text{x: x is a divisor of 8}\right\}\\ 4.\{4,6,8,9\}& D.\{\text{x: x is a composite number less than 10}\}\end{array}$

If the angle between the lines represented by the equation $y^2+hxy-x^{2}ta{n}^{2}A=0$ be 2A, then k=

If line l is parallel to line m, then the value of x is:

Multiply $11x{y}^{2}and-8x{y}^3$

The radius of track A is 14 m. If the initial separation between Ted and Ned is 22 m, find the radius of track B.

Simplify the ratio :
$1\frac{3}{4}:2\frac{1}{2}:1\frac{1}{6}$

The temperature at 12 noon was 10 degree Celsius above zero. If it decreases at the rate of 2 degree Celsius per hour, at what time would the temperature be 8 degree Celsius below zero? What would be the temperature at mid night?

Cards marked with numbers 40 , 41 , 42..........60 are well shuffled and a card is drawn at random. What is the probability that the number on the card is a perfect square?

Choose the correct option which gives the steps in finding the value of $x$ in the equation:
$\frac{x}{3}+4=2$

What is difference between the additive and multiplitive inverse?