Explore topic-wise InterviewSolutions in Current Affairs.

The sum of vectors $\overrightarrow{a}=\hat{i}-2\hat{j}+\hat{k},\overrightarrow{b}=-2\hat{i}+4\hat{j}+5\hat{k}$ and $\overrightarrow{c}=\hat{i}-6\hat{j}-7\hat{k}$ is

Find the first term of an arithmetic progression, if its $7^{th}$ term is 4 and common difference is -4.

The triangles $\Delta$ ABC and $\Delta$ PQC are similar by which similarity criteria?

Find out the point on the y axis which is equidistant from A(5,-2) and B(-3,2).

Subhana started work in 1995at an annual salary of ₹5000and received an increment of₹200each year.in which year did his income reach₹7000

A card is drawn from a pack of $52$ cards. A gambler bets that it is a spade or an ace. Then the odds against his winning this bet is

Select the sets of numbers in the following, which can form similar triangles.

(i) 3, 4, 6 (ii) 9, 12, 18 (iii) 8, 6, 12 (iv) 3, 4, 9 (v) 2, 4 ½, 4.

More than One Answer Type

एक से अधिक उत्तर प्रकार के प्रश्न



Which of the following figure(s) has/have more than 52 triangles?



निम्नलिखित में से कौनसे चित्र/चित्रों में 52 से अधिक त्रिभुज है/हैं?

The scores of a batsman in 8 innings are given as 48, 40, 36, 35, 46, 42, 36 and 37.

Find (i) Average score (ii) Variance and (iii) Standard Deviation of scores.

Model Indian, Egyptian, European, and Australian villages are set up in an area 200$k{m}^2$. If the area is equally divided among the four model villages, what is the probability that a person lands on the land occupied by Indians or Europeans?

If the LCM of $pq$ and $p^{3}q$ is expressible in the form of $\left(pq\right)k$, then find the value of $k$.

Pass the Journal entries in each of the following situations:

(i) When its Market Value is not given;

(ii) When its Market Value is ₹ 4,00,000;

(iii) When its Market Value is ₹ 4,24,000;

(iv) When its Market Value is ₹ 3,70,000;

(v) When its Market Value is ₹ 3,10,000.

Question 2 (iv)

Write whether the given statement is true or false. Justify your answer.

Every quadratic equation has at most two roots.

A round balloon of radius r subtends an angle $\alpha$ at the eye of the observer while the angle of elevation of its centre is $\beta$. Prove that the height of the centre of the balloon is

$\left(rsin\beta cosec\frac{\alpha }{2}\right)$ [3 MARKS]

Tick the correct answer in the following:

Area of a sector of angle p (in degrees) of a circle with radius R is

(A) , (B) , (C) , (D)

3x-5y=4

9x=2y+7;by elimination method

1. 8

If $BC$ and $OB$ are equal to $8cm$ and $5cm$ respectively, then find the value of $3AO$ in $cms$.

A cubical block of side 7 cm is surmounted by a hemisphere of the largest size. Find the surface area of the resulting solid.

Prove that the surface area of a solid hemisphere is equal to the curved surface area of circumscribed cylinder.

1. 9.6

What are dimensions of a square whose area is equal to that of a rectangle of dimensions $(7cm\times 4cm)$. [Use Construction]

Question 166

Find a repeater machine that will do the same work as a $(\times \frac{1}{8})$ machine.

A box has length, breadth, and height of 10 cm, 20 cm, and 5 cm respectively. The lateral surface area of the box is:

The sum of the first $n$ terms of the series
$\frac{1}{2}+\frac{3}{4}+\frac{7}{8}+\frac{15}{16}+\cdots$ is equal to ___.

Question 1 (iii)

Evaluate the following:

(iii) $\frac{cos{45}^{\circ }}{(sec{30}^{\circ }+cosec{30}^{\circ })}$

Find the sum of first 51 terms of an AP whose second and third terms are 14 and 18 respectively.

what is the formula to find the compound interest

Two circles touch each other externally at point P in the given figure. AB is the direct common tangent of these circles. Then ÐAPB equals to:

The probability of a person winning a game is 0.8, the probability of him losing a game is__.