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. |
wholesaler buys a shelf for 1500 andpends 575 on repairing it. Find theselling price if the profit made was 4%. |
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Answer» S.P.= C.P×(100+Profit%÷100) C.P=1500+575 =2075 Profit =4%S.P=2075×(100+4÷100) = 2075×104÷100 =2158 |
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| 2. |
(Gv) The amount of money in the account every year, when10000 is deposited atcompound interest at 8 % per annum.ifFeare |
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| 3. |
Find the perimeter and arca of theshape.,.given25 cm7 cm |
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Answer» There is a rectangle with length =25cm breadth is 7cmThere are 2 semicircles hence make it a single circle with diameter will be 7cm hence radius is 7/2=3.5cmhence perimeter =2πr+2*(l+b)=2*22/7*7/2+2*(25+7)=22+64=86cmhence area will be πr^2+l*b=22/7*7/2*7/2+(25*7)=11*7/2+175=77/2+175=77+350/2=427/2cm^2 |
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| 4. |
2.If α, β are the roots of quadratic equation x2 + px + q = 0 and y, δ are the roots of x2 + px-rao,en (α-y). (α-8) is equal to : |
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Answer» x2+px+q=0 have roots a,b a=b=-p --(1) ab = q --(2) a2+pa+q=0 --(3) x2+px−r=0 have roots g,d g+d=-p --(4) gd = -r --(5) (a-g)(a-d) = a2−(g−d)a+gd = a2+pa−r = -q-r =-(q+r) --from (3) Therefore -(q+r) id the answer. answer phele hi MIL gya but thanks |
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| 5. |
Find the perimeter and arca of the given figure.6.3 .33 cm6.3 cm |
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Answer» area=1/4pi r²*2 =1/4*3.14*6.3²*2 =31.15*2 =62.31cm² perimeter=2*pi r =2*3.14*6.3 39.6cm |
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| 6. |
A wholesaler buys a shelf for 1500 andspends 575 on repairing it. Find theselling price . the profit made was 4%. |
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Answer» Cost Price = 1500+575 =2075 profit=4% profit=4/100*2075=83 therefore,sp=profit +Cost Price =83+2075 =2158 |
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| 7. |
Add 92and 22(a) 1(c) 71)2and choose the correct answer :2(b) 1126(d)none of these |
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Answer» Answer: d) none of theseExplanation:9(2/5) +2(2/5)= (45+2)/5 + (10+2)/5=47/5+12/5= 59/5Answer is 59/5 |
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| 8. |
. Write a rational number between 2and/3 |
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| 9. |
Product of /6+2and (6+2is |
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Answer» Product will be (√6+√2)^2=6+2+2√12as (a+b)^2= a^2+b^2+2abplease like the solution 👍 ✔️ |
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| 10. |
) यदि 0 इकाई का काल्पनिक मूल है तो निम्नलिखित का मान निकाले ।[If w is an imaginary cube root of unity, then evaluate the follow1 0 010राटि त[Hint: 1+0+0=0]0 |गाता भेटी में है न नननितिन का मान निकाले । |
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Answer» this is wrong answer of your question42 | 1 w w² || w w² 1 || w² 1 w | R(1) --> R(1) + R(2) + R(3) | 1+ w+ w² 1+ w+ w² 1+ w+ w²| | w w² 1 || w² 1 w | 0 0 0|| w w² 1 || w² 1 w | So, 0 is answer |
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| 11. |
Write a rational number between /2and/3 |
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| 12. |
ng decimals inform where q + 0 and p, q are integers60-695.0.be7 Express each of the follow1) 0.36ii) 15.4in) 10.25iv) 3.25 |
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Answer» 36/100; 154/10;1025/100;325/100 1.36/100,2.154/10,3.1025/100,4.325/100 |
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| 13. |
Draw graph of the equation 2x+3y-6=0.(i) From graph determine whether x=3 and y=0 is a solution(ii) Find value of y if x= -3 |
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Answer» Very very thanks 😄😄😄 |
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| 14. |
Solve equation:\sqrt{4-x}+\sqrt{x+9}=5 |
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Answer» 13 kese aya (4-x)+(x-9) = 4+9 =13 |
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| 15. |
(iv) The amount of money in the account every year, when10000 is deposited acompound interest at 8 % per annum. |
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| 16. |
XYZ = 64° and XY is producedIt is given thatto point P. Draw a figure from the giveninformation. If ray YQ bisects Z ZYP, find ZXYQand reflex ZQYP" |
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| 17. |
guth of width 2.5 m runs along a square park of side 50 m. Find the area of the path. |
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Answer» If you like the solution, Please give it a 👍 sorry but the answer is 475m^2 |
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| 18. |
Draw the graph of the linear equation x +2y = 6. Also find whether (03) lies on it |
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Answer» y=mx+b This form is so useful because b is the y intercept of the graph and m is the slope of the graph. So the first thing you would do is solve for y x+2y=6 2y=−x+6 y =−1/2x+3 as (0,3) satisfying this equation hence it lies on the line0+2(3)= 66=6 |
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| 19. |
2 ही/ Znd J&WW/.mMmfi.wM\fiiwafimwdktwi%' MM‘MMM& |
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| 20. |
what is meant by electrode |
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Answer» An electrode is an electrical conductor used to make contact with a nonmetallic part of a circuit. The word was coined by William Whewell at the request of the scientist Michael Faraday from the Greek words elektron, meaning amber, and hodos, a way. An electrode is an electrical conductor used to make contact with a nonmetallic part of a circuit (e.g. a semiconductor, an electrolyte, a vacuum or air). |
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| 21. |
3. Three persons A, B and C apply for a job of Manager in a private company. Chances of their selection (A,Band C) are in the ratio 1:2: 4. The probabilities that A, B and C can introduce changes to improve profitsof the company are 0.8, 0.5 and 0.3, respectively. If the change does not take place, find the probabilitythat it is due to the appointment of C.Delhi 2010 |
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| 22. |
Solve the follow(1) a + 4 = 7(m) 9 + x = 14 |
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Answer» a=7-4a=3x=14-9x=5 1) 3 2) 5 is correct answer a= 7-4= 3answerty a=7-4 = 3x=14-9 =5the answer is correct . a is 3X is 5 a=7-4a=3x=14-9x=5 |
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| 23. |
T L ] Yo%WW?_{#VT% A TV PVIF ठो च VQ |
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Answer» If Z= 10ThenValue of Z^3 - 3(Z-10)= (10)^3 - 3(10-10)= 1000 - 0= 1000 ans |
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| 24. |
I. Integrate the follow()1-cot x |
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| 25. |
SECTION-BWrite the coefficients of x2 in each of follow(i) 2-x2+ x(ii) 2x -1 |
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Answer» 1) -1 is the coefficient2) 0 is the coefficient hit like if you find it useful |
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| 26. |
h. Two crossroads of width 5m runs at right angle, through the centerof a rectangular park of length 70 m and breath 45 m and parallelto the sides. Find the area of roads. |
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| 27. |
prathibha borrows ₹47000 from a finance company to buy her first car .the rate of simple intrest is 17 %and she borroows the money over a 5 year period. find (a) how much amount prathibha should repay the finance company at end of five years. (b) her equal monthly repayments |
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| 28. |
11km/h.it can go 12km upstream and return to thecanbiruds a bost in still water is 1Ikm/h. itho with him. EHe calcuated that he couldfind the speed of the streamt in 2hrs 45min.ld spend Rs. x everyps iv s 5m every day and uxtended bir krt |
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Answer» please answer me |
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| 29. |
secoiu yeuPrathibha borrows 47000 from a finance company to buy her first car. The rate of simplerest is 1 7% and she borrows the money over a 5 year period. Find: (a) How muchount Prathibha should repay the finance company at the end of five years. (b)her equalammonthly repaymentsses at the rate of |
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Answer» Pratibha bones 47000 from a finance company to buy her first ka the rate of simple interest is 17% and bones the money over a 5 years prepared find a how much amount Pratibha should we pay the finance company at the end of 5 years we are equal monthly |
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| 30. |
5. Prathibha borrows ? 47000 from a finance company to buy her first car. The rate of simpleinterest is l 7% and she borrows the money over a 5 year period. Find: (a) How muchamount Prathibha should repay the finance company at the end of five years. (b)her equalmonthly repayments |
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| 31. |
sin -1(sq root of 1-x2) |
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| 32. |
(2+ under root -4)whole sq. |
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| 33. |
Question numbers 20 to 28 carry four marks each.0.20) Factorise 49 a2 + 70ab +25 b2If its perimeter is 300 mtr, find its area. |
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| 34. |
find whether (0 , 3) is a solution of linear equation, x–y+3=0 ? |
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Answer» To check (0,3) is solution of linear equation x - y + 3 = 0 For x = 0-y + 3 = 0y = 3 Therefore,(0,3) is solution of x - y + 3 = 0 |
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| 35. |
It is given that < XYZ = 64° and XY is producedto point P. Draw a figure from the giveninformation. If ray YQ bisects ZZYP, find ZXYQand reflex ZQYP |
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| 36. |
are, with7' 7'7[Hint: Study the rExpress the follow3.0.64. Express 0.99999. What can the maxteacher and classndecimal expansion |
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| 37. |
the products of the follow4 X 3/7 |
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Answer» c)4 × 3/74/1 × 3/7(4×3)/(7×1)12/7 |
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| 38. |
Represent each of the following numbers on the number lineLV3ww-4(vi) 2(VH)3m) -27Which of the follow |
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| 39. |
It is given thatto point P. Draw a figure from the giveninformation. If ray YQ bisects ZYP, findㄥㄨㄚand reflex ZQYP6.XYZ = 64° and XY is produced |
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| 40. |
It is given that < XYZ = 64° and XY is producedto point P. Draw a figure from the giveninformation. If ray YQ bisects 4ZYP. find 2XYQand reflex ZQYP6. |
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| 41. |
A cylindrical vessel, without lid, has to be tin coated on its both sides. If the radius of base is 70cm and height is 1.4 m. Calculate the cost of tin coating at Rs 7/ 1000 cm? |
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| 42. |
46.Three squares are joined at their corners and strung between two verticalpoles as shown, find xCLASS IX30124° |
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Answer» Recall that sum of angles of a polygon = (2n - 4)× 90°Here number of sides, n = 9Hence the sum of angles of the given polygon =(18 - 4)× 90° =14)× 90° =1260°That is90° +90° + x + 270° +75° + 270° +124° +270° + 30° =1260°⇒ x + 1219°=1260°∴ x = 41° |
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| 43. |
Page No.नीली कक्षा के 24 विद्यार्थी या न ६ का जिमी जादू* ह ग तव्या की जगह कोई नया विद्यानिसर्भ- पूरीका की औसतमाड़ प्यटनाला हैं,नथेव्य आय बताये ।5| |
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Answer» 12 2222222222222222222222222222222 the age of new student is 16 because there are 24 students and when the student whose age is 18 goes the age of class decrease by 1 month. so there are 24 students which means 24 months or two years 18-2=16 |
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| 44. |
17-06-1I solve the follow3.9 xT. But find the |
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Answer» hope it will help you please like my answer |
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| 45. |
v ‘#Mfl‘_ijWbt dely D, tapan नए जि hs pAORREILS)Even no ..** 1८6 61| |
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Answer» Total no. of outcomes = 6Favourable outcome = 3Probability of getting an even number = 3/6 = 1/2Probability of getting a multiple of 4 = 1/6 |
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| 46. |
If f(x)=34x4, f: R-f"(x)=â R then- |
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Answer» thanks |
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| 47. |
A vessel has a small hole at its bottom. If watercan be poured into it upto a height of 7 cmwithout leakage (g = 10 ms^2), the radius of thehole is (surface tension of water is 0.07 N/m) |
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| 48. |
is 4 m above the gröüha. Ho Idsl I18. A kite is 120 m high and 130 m of string is out. If the kite is moving horizontally at therate of 5.2 m/sec, find the rate at which the string is being paid out at that instant.nola 450 İs fixed with its axis vertical and its verte |
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| 49. |
AB and CD are vertical poles fixed to theground. Find the length of the wire AC. |
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| 50. |
tExpress 30°C in Fahrenheit scale. |
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