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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. |
144-104+Example 12 : Simplify : |
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Answer» [(144)^1/2 - 10]/ (4 + 1/5)= (12 - 10)/(21/5)= 2*5/21= 10/21 |
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| 2. |
(0+2) Px : (144) Py = 10:7n=? |
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Answer» ok I understand I'll soon let you know |
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| 3. |
की... - m —papP 7 V) |
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| 4. |
The length of a hall is 10 m and breadth of a hall is twice its height. If arafour walls (including doors) is 144 m2, find the volume of the hall. |
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| 5. |
prove that7-Visirrational |
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| 6. |
the sum of the digits of a two numbers is 10 .if the new number formed by reversing the digits is less than the original number by 36,find the original number. |
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Answer» Let x = units digity = ten's digitThe value of the number is x + 10yThe new value after reversing the digits is 10x + yEquations:x + y = 10 and10x + y = x + 10y - 36 or 9x - 9y = -36 or x - y = -4Add the 2 equations, the result is 2x = 6so x = 3 and y = 7The original number is73 Let x = units digity = ten's digitThe value of the number is x + 10yThe new value after reversing the digits is 10x + yEquations:x + y = 10 and10x + y = x + 10y - 36 or 9x - 9y = -36 or x - y = -4Add the 2 equations, the result is 2x = 6so x = 3 and y = 7The original number is73 |
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| 7. |
You still a bucket of soapy wateren e maxble Door accidently WouldEt make it easier or more decieltfor you to walk on the poor? Why? |
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Answer» I know first like my answer then I solve this question please please like my answer then I like your answer to all of you |
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| 8. |
-bhuPAGE NODATEPuous thatSinzo. Sin 40 Sinbo Singo-3 |
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| 9. |
ha wa s cost price?1 An item was sold for? 540 at a loss of 5%, what was its cost price? |
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Answer» Let its cost price be rupees x.Loss=5%∴x(1-5/100)=540=>x=540×100/95=568.42 ∴Cost Price=Rs.568.42 |
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| 10. |
nd the modulus and the arguments of each of theercises I to 2cothe sclutioms aege |
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Answer» thank |
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| 11. |
O. If V 81 Ă V/ 27 x v/9 =x, what is the value of cube root x? |
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| 12. |
Two numbers are such that the ratio betweenthem is 3:5. If each is increased by 10, the ratiobetween the new numbers so formed is 5:7. Find14 |
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| 13. |
v*((x^2 - 5*x - 6)*(x^2 - 3*x - 10))=144 |
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| 14. |
i*v - x(-x^5) |
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Answer» -x(-x^5)x^(5+1)x^6 thanks |
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| 15. |
6x +7V(x-5) (x-4) |
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Answer» hit like if you find it useful |
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| 16. |
numbers are such that the ratio between them is 3: 5. If each is increased by 10, theTworatio between the new numbers so formed is 5:7. Find the original numbers |
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| 17. |
22. In shufling a pack of cards, four are accidently dropped. Find the chance that themissing cards should be one from each suit |
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| 18. |
Estimate each of the following productshe second number downwards:14. 28713. 183 x 154 |
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| 19. |
he cost of nensconie 1SCOnd ha costaaey i one hencosts is ERO |
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| 20. |
When the greater of the two numbers increasedby 1 divides the sum of the numbers, theresult is 3/2. When the difference of thesenumbers is divided by the smaller, the result is 1/2Find the numbers |
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| 21. |
(n) the queen of diamondse cards-the ten, jack, queen, king and ace of diamonds, are well-shufflede downwards. One card is then picked up at random.) What is the probability that the card is the queen?) If the queen is drawn and put aside, what is the probablity that the second cardpicked up is (a) an ace? (b) a queen? |
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| 22. |
(m) a red face card(v) a spade(vi) the queen of diamondsFive cards the ten, jack, queen, king and ace of diamonds, are weface downwards. One card is then picked up at random.(i) What is the probability that the card is the queen?(ii) If the queen is drawn and put aside, what is the proprobability that the second cardpicked up is (a) an ace? (b) a queen?defective nens nrn |
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| 23. |
umn I with one or more items of ColuColumn IIhave fins on the bodyhas an outer skeletoncan fly in the airis an immovable jointshows very slow movementhave a streamlined bodysocket joint?pones are movable? |
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Answer» thanks thanks |
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| 24. |
Prove that the fandion f :Râ Rit manyrtue |
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Answer» If we show for one element it will works. So, given f(x) = x², Domain is R So, Consider x = 1 and x = -1 f(1) = 1² = 1 f(-1) = (-1)² = 1 So, two different elements have same image. Therefore function is many one |
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| 25. |
four cards are drawn at random from a pack of 52 cards. find the probability of getting all the four cards of the same number |
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Answer» total cards=52 52 card is the correct answer |
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| 26. |
From Numbers 1,3,5,7,8,11,15 a number is to be picked up at random, whatis the probability of choosing a number(a) less than 8(b) 5 or more |
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Answer» phffdgdhfutufjcchbxgdgdgdhxbcjv |
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| 27. |
DEAR |
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| 28. |
Find the GCD of the following:m2-3m-18, m2+5m +6 |
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| 29. |
The areas oftwo similar triangles are 16cin the ratio 2: x.then x ism2 and 36cm2 respectively. If the altitudes are(A) 2(B) 3(C) 4(D) 6 |
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| 30. |
V(N) What is the p.d. across AB and across AC?(ui) What is the total resistance ?17. For the circuit shown in the diagram below() valye4 Vstor12 Ί-35 |
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| 31. |
15. Five cards-the ten,jack, queen, king and ace of diamonds, are well shuffled with theirface downwards. One card is then picked up at random.(0) What is the probability that the card is the queen?(i) If the queen is drawn and put aside, what is the probability that the second02picked up is (a) an ace? (b) a queen? |
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| 32. |
() x-_:- W W y=242-3 &प्रवणता है : ‘A -1 B 1© 3 (3) इनमें से कोई नहींThe slope of tangent of they=2x"-3 at x= 4—l is:) -1 B 1© 2_‘ (D) of these |
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Answer» slope = dy/dx = 4x Slope = 4(1/4) = 1 Like my answer if you find it useful! |
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| 33. |
0 SO0+ |9 S0 â= (6109-9 29509) (1) g |
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Answer» (cotθ-cosecθ)²=cot²θ-2cotθcosecθ+cosec²θ=cos²θ/sin²θ-2(cosθ/sinθ)(1/sinθ)+1/sin²θ=cos²θ/sin²θ-2cosθ/sin²θ+1/sin²θ=(cos²θ-2cosθ+1)/sin²θ=(1-cosθ)²/(1-cos²θ)=(1-cosθ)²/(1+cosθ)(1-cosθ)=(1-cosθ)/(1+cosθ) |
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| 34. |
40६ SO0 + ,0F ,UIS.oSt ८ पथ - «0६ 35 b + 509 ;503 Coy) |
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Answer» cos60=1/2sec30=2/√3Tan45=1sin30=1/2cos30=√3/25*1/4+4*4/3-1/15/4+16/3-15/4+13/315+52/12=67/12 |
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| 35. |
If mand 3+242, find:3- 220) m2() 2 6) |
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Answer» 1) m^2 = 1/(3-2√2)^2 = 1/(9+8-12√2) = 1/(17 -12√2)2) n^2 = 1/(3+2√2)^2 = 1/(9+8+12√2) = 1/(17+12√2)3)mn = 1/(9-8)=1 |
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| 36. |
. The students of a class arranged a picnic. Each student contributed asof students in the class. If the total contribution is 1156, find the str |
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Answer» Thank you |
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| 37. |
न SO0 Y uis — 7 SO0 + TYUuls +1 Y Uuls + S0 + TJey) anoid |
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| 38. |
CE": NU V45) A group of students arranged a picnic. Each student contributed 312835. How many students are there in the group?The total contribution was |
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Answer» 66/2 is the correct answer |
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| 39. |
5.Ibuy a T.V forăŚ10,000 and sell it at a profit of 20%. How much money do I get forit? |
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| 40. |
xZ T74 X 0 242 19115 1-1 B X '( |
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Answer» 2x²-8=02x²=8x²=8/2=4x=2,-2 |
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| 41. |
2500} eX SO0 |
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Answer» cos x/(1+cos x)=cos x*(1-cos x)/((1+cos x)*(1-cos x))=cos x-cos²x/1- cos² x |
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| 42. |
5. I buy a T.V for? 10,000 and sell it at a profit of 20%. How much money do I get forit? |
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| 43. |
/ \\ 8के मे4 12 3N>7\6/ ८ १2201 4 3 |
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| 44. |
Np-loooo TELY R=20simple interestat |
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Answer» SI = PTR/100 = 10,000×2×20/100 = 4000₹therefore simple interest is to be ₹ 4000. 1000 is right answer |
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| 45. |
"ptions A. B,athe given braekets.for over writing answers.will not be awarded foranswer in the giWhich of the following group ofNigeria, Egypt, Germanyb) Norway, Australia, SomaliaFrance, Japan, EnglandItaly, England PortugalP of countries belong to Europe?simum |
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Answer» A) nigeria, egypt, Germany germanyAustraliaEnglandEngland Italy,England,portugal Italy England Portugal answer of this question is4 Italy... England.... Portugal |
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| 46. |
21. Each member of a picnic partycontributed twice as many rupeesas the total collection was 3042The number of members present inthe party was |
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Answer» Let number of members present is nThen each contributed Rs 2n Given total contribution = 3042Then,n*2n = 30422n^2 = 3042n ^2 = 1521n = 39 Total number of members are 39 |
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| 47. |
days on which the Schoor scommission on the sale of a property amounts to 7 42660. What is the total vaoldates A and B. The total number of voters inthe property? |
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| 48. |
Which of the following does not represent an integera) 0/(-7)1.b) 20 /(-4)c) (-9) /3 d) (-12)/5 |
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Answer» -12/5because the value of -12/5 results in -2.4 which is a decimaland integers do not include decimals..hope it helps a) 0 ÷ ( -7) = 0 , an integerb) 20 ÷ (-4) = -5, an integerc) (-9) ÷ (3) = -3, an integerd) (-12) ÷ 5 = -2.4 not an integer |
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| 49. |
. Attempt the following:(2 marks each)30 T20 >40°PRS is an exterior angle of △PQR and P-T-R= 20°, findIf< QPR = 30°, 2 PQR = 40°, < RSTZPRS and ZRTS.21 |
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| 50. |
7. Find matrices A and B, if1 0 2A +B5 4 -6 and A -B11 2 01 74 |
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