Explore topic-wise InterviewSolutions in Current Affairs.

Ramesh invests ₹ 12800 for three years at the rate of $10\%$ per annum compound interest. Find the sum due to Ramesh at the end of the first year.

A tape-recorder is sold for Rs. 2,760 at a gain of 15% and a C.D. player is sold for Rs. 3,240 at a loss of 10%. Find : (i) the C.P. of the tape-recorder. (ii) the C.P. of the C.D. player. (iii) the total C.P. of both. (iv) the total S.P. of both. (v) the gain % or the loss% on the whole.

Swarna paid Rs. 20 as VAT on a pair of shoes worth Rs. 250. Find the rate of VAT.

In the given figure below, $\Delta ABC\sim \Delta RPQ$
Choose the correct option(s) (all lengths are in cm).

Rashmi has a road map with a scale of 1 cm representing 18 km. She drives on a road for 72 km. What would be her distance covered in the map?

Find the surface area of the cuboid having, breadth 2.5 m, length 1.4 m and height 4 m.

Find ab + 2ab.

Find the cost of sinking a tubewell 280m deep, having 3m at the rate of Rs. 3.60 per cubic metre. Find also the cost of cementing its inner curved surface at Rs 2.50 per square metre.

Which of the following expressions are polynomials?
(i) $x^2$ + 4
(ii) $4-x^{-1}$
(iii) $2x^2$ - $\frac{2}{x}$

Add: $9x^2-8x+5$ and $3x^2+7x-9$

To paint a picture, 2 parts of colour pigment is to be mixed with 7 parts of base and then painting is done. If 35 ml of red pigment and 45 ml of blue pigment are used, then how much base you need to mix?

Find the volume of the cuboid whose dimensions are $(x+2),(x-1)$ and $(x-3).$

After traveling a distance of 45km argan found 3/8 distance of his journey was still left. What was the length of his whole journey

Question 3
Construct the Parallelogram HEAR where
HE=5cm, EA=6cm, $\angle R={85}^{\circ }$

If the sum of the interior angles of a convex polygon is (4 x 180^o). What kind of polygon is it?

$x$ is defined as 50% of 30. Then find the value of $x^2+5x-220$

The formula to find the area of following polygon is:

If 3 men or 6 boys can finish a work in 20 days, how long will 4 men and 12 boys take to finish the same work?

If A={2,4,6,8,10}
B={3,4,5,6,7}

So A-B=?

The following table has been given with the relevant class mark and frequency.

$\begin{array}{cc}\text{Class mark}& \text{Frequency}\\ 5& 8\\ 15& 10\\ 25& 2\\ 35& 4\\ 45& 7\\ 55& 3\end{array}$

Which of the following Histogram is correct for the given distribution

Find the amount and compound interest on ₹ 10,000 for 3 years if the rate of interest for successive years are $5\%$, $10\%$ and $20\%$ years respectively

A set of number which can't be expressed in form of $\frac{p}{q}$ is known as ___ number

A class has the same number of girls and boys. Only eight boys were absent on a particular day and then the number of girls was double the number of girls. What is the number of boys and girls?

The quadrilateral formed by joining the midpoints of a rhombus is a

If $5x-4y=7andxy=8$, find : $125x^3-64y^3$

The length, breadth and height of the rectangular box is $3xy,(4x^{2}y+2x)and2z$ m respectively. Find the volume of the rectangular box.

From the following information prepare the bills receivable account and total debtors account for the year ended December 31,2005.

$\begin{array}{cc}& \text{Rs.}\\ \text{Opening balance of debtors}& 1,80,000\\ \text{Opening balance of bills receivable}& 55,000\\ \text{Cash sales made during the year}& 95,000\\ \text{Credit sales made during the year}& 14,50,000\\ \text{Return inwards}& 78,000\\ \text{Cash received from debtors}& 10,25,000\\ \text{Discount allowed to debtors}& 55,000\\ \text{Bills receivable endorsed to creditors}& 60,000\\ \text{Cash received (bills matured)}& 80,500\\ \text{Irrecoverable account}& 10,000\\ \text{Closing balance of bills receivable on Dec.31,2005}& 75,500\end{array}$

Question 13
In the given figure, POR is a line. The value of a is

(a) ${40}^{\circ }$
(b) ${45}^{\circ }$
(c) ${55}^{\circ }$
(d) ${60}^{\circ }$

Find the square root of 7 correct to two decimal places; then use it to find the value of

$\sqrt{\frac{4+\sqrt{7}}{4+\sqrt{7}}}$ correct to three significant digits.

Expand $(x+\frac{1}{x}{)}^2$.

$(1965{)}^2$ = ?

In a class, the teacher asks the students to name few scientists. Following were the names that came - Einstein, Newton, Einstein, Faraday, Tesla, Hawking, Einstein, Tesla, Tesla, Faraday, Einstein. Which scientist is most popular among the students of that class?

If the diagonals of a rhombus are 12 cm and 16 cm, find the length of each side.

Find the cube roots of the following numbers by successive subtraction of numbers : 1, 7, 19, 37, 61 , 91, 127, 169, 217, 271, 331, 397 ...
(i) 64 (ii) 512 (iii) 1728

Factorise by grouping method:

$ab-2b+a^2-2a$

Find the value of ${51}^3$- ${50}^3$.

12 men can dig a pond in 8 days. How many men can dig it in 6 days ?

If 8 men can do a job in 5 days. How much time would v10 men take to do the same job?

Factorise:

$a-b-a^3+b^3$

Twice the sum of 5 consecutive odd numbers and thrice the sum of 4 consecutive even numbers is 178. Thrice the sum of 5 consecutive odd numbers and twice the sum of 4 consecutive even numbers is 177. Find the smallest even number.

Which of the following represents the factorisation of
$2xy+14y^2?$

Using suitable identities, evaluate the following:

$98\times 103$

Question 85

Posting a question Work with a partner to write at least five ratio statement about this quilt, which has white, blue and purple squares.

How many squares for each colour will be there in 12 such quilts?

Question 53

Simple interest on a given amount is always less than or equal to the compound interest on the same amount for the same time period and at the same rate of interest per annum.