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This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
2 3Find the value of b b b3ссс2- |
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| 2. |
Solve :2 x+y-6=0 \text { and } 2 x-y+2=0 |
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Answer» 2x + y- 6 = 0 2x - y + 2 = 0 add both the equations 2x + y - 6 + 2x - y + 2 = 0 4x- 8 = 0 4x = 8 so x = 2 4 + y - 6 = 0 so y = 2 |
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| 3. |
2)Ifx + y+2:0, show thatb3+13+21 #Iyzl |
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| 4. |
if a-b=2 and ab=3 , then a3-b3=? |
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Answer» a-b=2a^2-2ab+b^2=4so a^2+b^2=4+6=10a^3-b^3=(a-b)(a^2+ab+b^2)=2(10+3)=26 |
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| 5. |
0e?2602 |
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Answer» ³√274625 = 65 and no. of digits = 2 |
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| 6. |
2 4 and B3 4, then find 3A-Bf A |
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| 7. |
The vertices of triangle are (6, 0), (0, 6) and (6, 6). The distance between its circumcentre and centroid is(a) 2 root 2(b) 2(c) root 2(d) 1 |
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Answer» thank u so much 👍👍 |
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| 8. |
If x = 3 is one root of the quadratic equation r2-2kr-6 = 0, then find the value of |
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Answer» Put X=3(3)^2-2k*3-6=09-6k-6=03-6k=0k=1/2 |
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| 9. |
yǐ.a-b +1.2b-a, is equal to261+ 21+ 2(a) a - b(c) 11+ 2(b) b- a(d) o |
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Answer» 1/1 + 2^[a-b] + 1/1 + 2^[b-a] = 1/1+2^a/2^b + 1/1+2^b2^a = 2^b/(2^b + 2^a) + 2^a/(2^a + 2^b) = (2^a + 2^b)/ (2^a + 2^b) = 1 (c) is correct option |
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| 10. |
nd the value of k for which one root of the quadratic equation s |
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| 11. |
5. The length of a farm 170 meter and b6. X (X X )- |
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Answer» and(6)th =(X ki power 5, X ki power 6 |
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| 12. |
5. The cost of 86 m of cloth is Rs. 110o. Find the cost per meter. |
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Answer» 55/6 are of 1100 so 1 m is of 1100/55 * 6 = 120 |
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| 13. |
in the given dice, which number is opposite of number 6:66 |
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Answer» The answer is one but the fourth figure is wrong due to two 3 in it that's why the question is wrong. |
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| 14. |
In parallelogram ABCD, two points P and Q aretaken on diagonal BD such that DP BQ(see Plg. 8.20), Show that:(ii) AP CQ(iii) ΔΑΟΒ Δ CPD |
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| 15. |
22. The three vertices of a parallelogram ABCD, taken in order are A(-1, 0), B(3, 1) andC(2, 2). Find the co-ordinates of the fourth vertex of the parallelogran. |
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| 16. |
कि. ५५?i b 1 2 0=¢-37 +X kiph B3 या.: हि. 2286 B |
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Answer» x² + 2x - 3 = 0 x² -x + 3x - 3 = 0 x ( x - 1) + 3 ( x - 1) = 0 ( x - 1) ( x + 3) = 0 And , so x = 1 and -3 |
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| 17. |
5y !WIS.\ फू + "C. = 84 & dl n पी. डिंभत, शो, |
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Answer» After solving n^2-n-56n= 8 |
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| 18. |
1. Find the product:(c)(12x + 5y) (1 - x) |
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Answer» 😐 (x+4)(x-5)x(x-5)+4(x-5)xsquare -5x +4x-20xsquare + x-20 |
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| 19. |
3y+39=8 |
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Answer» PLEASE LIKE AND SHARE THIS APP thanks if my answer is right pls Hit the like |
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| 20. |
5y+2=3y+8 |
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Answer» 5y+2=3y+85y-3y=8-22y=6y=6/2y=3 5y+2=3y+85y-3y=8-22y=6y=6/2y=3 2y=6y=3 is the right answer y= 3 is the correct answer of the given question p 1) 5y+2=3y+8 5y-3y=8-2 2y=6 y=6/2 y=33 is the correct answer. y=3 is the correct answer 5y +2=3y+85y-3y=8-22y=6y=6/2y=3 y = 3 is that cortect 5y+2=3y+85y-3y=8-22y=6y=6/2y=3 |
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| 21. |
If mid-points of sides of ΔΡQR are (1, 2), (0, 1), (1, 0), then find the coordinates of thethree vertices of triangle PQR. |
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| 22. |
5y+3y=8 then y=? |
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Answer» y=1 is the right answer y=1 is the right answer 8y=8y=1here is your answer... |
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| 23. |
If 1-3 is one root ofthe quadratic equation r2-2kr-6 = 0, then find the value of k2 |
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Answer» Given it's one root of the equation x² - 2kx - 6 = 0 one of its root x = 3 for finding the value of k put the value of x in this equation. (3)² - 2k(3) - 6 = 0 9 - 6k - 6 = 0 6k = 3 k = 3/6 k = 1/2 hence,the value of k = 1/2 |
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| 24. |
)Ifthe roots of the following equation are real and equal, then find kkx (r -2)+ 60 |
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Answer» If the roots are real and equalhence discriminant is zerohenceb^2-4ac=0hencethe equation is kx^2-2kx+6=0comparing with standard equationax^2+Bx+c=0a=k b=-2k c=6henceb^2-4ac=4k^2-24k=0k(k-6)=0hencek=0k=6 |
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| 25. |
The fourth vertex 'D' of a parallelogram ABCD, whose three vertices are A(-2, 5), B(6, 9) ais10. |
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| 26. |
.PoiniA(4,2), B(-1,2) and D(4,-5) are three vertices of a reciangle ABCD. Plot thesepoints and hence. Find the vertex C |
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Answer» So, the vertex C is (-1,-5) |
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| 27. |
| धर ्ि बराबर है110241 19 19 कु 29® B (b) न (०) = / = |
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Answer» √(36.1/102.4) =0.59375=19/32 Like my answer if you find it useful! |
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| 28. |
32) How many dots are there on the dice face opposite the one with three dots?(0)(M) Swativ)C)5 D)6A)2B)4 |
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Answer» the answer can't be 4 or 6 as they are adjacent to 3.the answer also can't be 2 and 1 as they are too adjacent. so the remaining one is 5.Answer is 5 |
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| 29. |
8. The three vertices of a parallelogram ABCD taken in order are A(1,2), B (4,3) and C(6,6), find the coordinates of the fourth vertex D. |
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| 30. |
191. What is the additive inverse of -7/19 |
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Answer» additive inverse of -7/19 is 7/19 yes 7/19 because -17/9+7/9=0/19 |
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| 31. |
6. The three vertices of a parallelogram ABCD, taken in order, are A(1, 2), B3, 6) andas, 10). Find the coordinates of the fourth vertex D. |
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| 32. |
1.Three vertices of a parallelogram ABCD are A(3, 1, 2), B (1, 2, 4) andC (1, 1, 2). Find the coordinates of the fourth vertex. |
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| 33. |
Categorise the expressions as monomial,binomial and trinomial and determinetheir degrees.A. 4x2-5yC. 3x2yz7.B. 14y2-23xy +9 |
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Answer» A. binomialB. trinomialC. monomial |
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| 34. |
Give an example each of a binomial of degree 18 and of a monomial of dgree 26. |
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| 35. |
Give an example each of a binomial of degree 15 and of a monomial of dgree 26 |
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| 36. |
multiply the binomial (y-8)*(3y-4) |
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| 37. |
Expand (x^2 +2a)^5 by binomial theorem |
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Answer» x^10+10x^8a+40x^6a^2+80x^4a^3+80x^2a^4+32a^5 nice, got it thanks |
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| 38. |
Ifthe roots ofthe quadratic equation (a-b)/ + (b-c)x+(c-a) = 0 are equal, provethat 2a5.b+ c. |
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| 39. |
If (1, 2), (4, y), (x, 6) and (3, 5) are the verticesof a parallelogram taken in order, find x and |
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| 40. |
95. Which digit will appear on the face101opposite to the face with number 4?26 |
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Answer» Explanation:Here the commonfaces with number3,arein same positions. Hence 6 isoppositeto 2 and 5 isoppositeto 1. Therefore4isoppositeto 3. |
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| 41. |
16. The three vertices of a parallelogram taken in order are (-1, 0), (3, 1) and (2, 2)respectively, Show httheordinates of the fourth vertes are (-2, 1) |
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| 42. |
1 4rm19. If the points a (6.1), B(8,2). C(9.4) and D (P.3) are the vertices of a parallelogram, taken inorder, find the value of P |
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| 43. |
16. The three vertices of a parallelogram taken in order are (-1, 0), (3, 1) and (2, 2)respectively. Show that the coordinates of the fourth vertex are (-2, 1), |
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| 44. |
In parallelogram ABCD, two points P and Q aretaken on diagonal BD such that DP BQ(see Fig. 8.20). Show that:(ii) AP CQ(iv) AQ CP(v) APCQ is a parallelogramFig. 8.20 |
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Answer» thanks bro. loved your answer |
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| 45. |
In parallelogram ABCD, two points P and Q aretaken on diagonal BD such that DP BQ(see Fig. 8.20). Show that:47(i) AP COQ(iv) AQ CP(V) APCQ is a parallelogramFig. 8.20 |
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| 46. |
2 Subtract the following rational numbers:-4(a) from-18 from 1(b)ro |
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Answer» 1) 7/11-(-4/11) = (7+4)/11 = 11/11 = 12) 1-(-18/11) = 1+18/11 = 29/11 |
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| 47. |
2-max + 4 is a perfect square trinomial, then m=If 9x |
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Answer» 9x² - mx + 4 (3x)² - mx + 4 For perfect square, we should get a form of (ax-b)² So, in that case,(3x - 2)² = 9x² - 12m + 4So, m = 12 option (c) is correct thanks for the answer |
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| 48. |
3x4x + 3x - 75x + 8TrinomialBinomialMonomial |
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Answer» Monomial - 3xBinomial - 5x + 8Trinomial - 4x2 + 3x -7 |
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| 49. |
(4) In the figure, □ ABCD is a parallelogram.Find the measure of LB.2x。(5) What is the equation of the Y-axis?ro(6) cos 570= sin| |。 |
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| 50. |
Find the value of the expression given below?3a2+2a x 5-4+5a-2, when a4 |
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Answer» {3(16) +8×5-4}\4 + 20-2(48+40-4) /4 +1884/4 + 1821 + 1839 |
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