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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. |
31. Find the limits of real value of x so that the expression5x2 +63-8 is non-negative. |
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Answer» 5x^2 + 6x - 8 >= 05x^2 + 10x - 4x - 8 >= 05x(x + 2) - 4(x + 2) >= 0(5x - 4)(x + 2) >= 0 x >= 4/5, x >= - 2 or x <= 2 Therefore, Limit of real value of x is(-infinity, 2) U (4/5, infinity) |
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| 2. |
a %2B sqrt(5)*b=(3*sqrt(5) %2B 7)/(-3*sqrt(5) %2B 7) |
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| 3. |
(3*sqrt(5) %2B 7)/(-3*sqrt(5) %2B 7) |
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| 4. |
rom a point P on the ground, the angle of elevation of a 10-m-tallbuilding is 30°. A flag is hoisted at the top of the building and the angleof elevation of the top of the flagstaff from P is 45% Find the length of theflagstaff and the distance of the building from the point P. [Take3-1.732]24. F |
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| 5. |
Principal=7 800; Rate=1.5% per month; Time=1.3 years." |
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| 6. |
. Given thar LCM (26 169338, lind HCF 36.169) |
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| 7. |
13, Prove thar, JICH % \[_\Mse 2cosecdsecO+1 |
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Answer» √(secA-1/secA+1)+√(secA+1/secA-1)=√{(secA-1)(secA-1)/(secA+1)(secA-1)}+√{(secA+1)(secA+1)/(secA-1)(secA+1)}=√{(secA-1)²/(sec²A-1)}+√{(secA+1)²/(sec²A-1)}=√(secA-1)²/tan²A+√(secA+1)²/tan²A=(secA-1)/tanA+(secA+1)/tanA=secA/tanA-1/tanA+secA/tanA+1/tanA=(1/cosA)/(sinA/cosA)-cotA+(1/cosA)/(sinA/cosA)+cotA=1/sinA+1/sinA=2/sinA=2cosecA (Proved)Please like the solution 👍 ✔️👍 |
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| 8. |
\frac { 2 } { 5 } \times \frac { 5 } { 4 } + \frac { 5 } { 13 } \div - \frac { 7 } { 26 } |
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Answer» follow VBODMAS |
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| 9. |
f Arranging 14, 7, 26, 44 in ascending order, the firstnbe written is |
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| 10. |
2. Express as a percentage.2/5 3/4 9/10 |
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Answer» a)(2/5)×100=40%b)(3/4)×100=75%c)(9/10)×100=90% Thanks |
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| 11. |
<press each of the fol72 km per hour |
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Answer» 72km/hr72×5/184×520m/s |
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| 12. |
26. 2x2 -7 x-15 |
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Answer» To solve2x^2=7x-15=0Sum= -7; product= -30numbers are -10,32x^2-10x+3x-15=0(2x+3) (x-5)therefore x= -3/2 or x=5 |
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| 13. |
70% of students in a sch36% of the maximum marks are required to pass is a test. A student gets 123 marks and is declared failed bymarks. Find the maximum marks.1,ool are boys and the number of giris is 504 . Find the number or boys2,39 |
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| 14. |
14 %2B 17 |
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Answer» Answer 31as- - is+ 31 is the correct answer of your question Anas Khan 17-(-14)=17+14=31....{as we know( -)×(-) 31 because as we know -- is + answer is +31 . please like 31 is the correct answer we know that - - is equal to + then the answer is 31 answer of 17_(_14)= _31 31 is the correct answer |
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| 15. |
| s-{26+2(7-8-47) g s |
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Answer» hit like if you find it useful |
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| 16. |
12. Kavita has a cumulative time deposit account in a bank. She deposits 800 per month andgets 6700 as maturity value. If the rate of interest be 5% per annum, find the total timefor which the account was held.[Hint: x2 + 481x-10020-0 x2 + 501x-20x-10020 = 0.1 |
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Answer» Let time be x monthsQualifying amount= 800x(x+1)/2 = 400x(x+1) SI = 400x(x+1)*5*1/1200 = (1/3)x(x+1)*5 = (5/3)x(x+1)Principal = 800x Hence,800x + (5/3)x(x+1) = 167002400x + 5x^2 + 5x = 16700*3x^2 + 481x - 10020 = 0x^2 + 501x - 20x - 10020 = 0x(x + 501) - 20(x + 501)(x - 20)(x + 501)x = 20, - 501 Negative value not possible Therefore, time for which account is held = 20 months |
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| 17. |
30 f p times the pth term of an A.P. is equal to q times its qh term, show that the (p+g)th term of the A.P. is zero. |
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Answer» Let a is the first term and d is the common difference of an AP so, a/ c to question, P×Tp = q× Tq P×{ a + ( P -1)d} = q×{ a + ( q -1)d} Pa + P(P -1)d = qa + q(q -1)d (P-q )a = d{ q² -q -p² +p} (P-q)a = d{ (q -P)(q + P) -(q -p) } (p -q)a = -(p-q)d {P+ q - 1} a + ( p +q -1)d = 0 ----------(1) now, T(p + q) = a + (P+q -1)d from equation (1) T(P +q) = 0 |
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| 18. |
7.To renovate his shop, Anurag obtained a loan of* 8000 from a bank. If the rate of interest at 5%per annum is compounded annually, calculate thecompound interest that Anurag will have to payafter 3 years. |
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| 19. |
Answer any six questions(6 5 30)39) Let R, be the set of all non-negative real numbers. Show that thefunction f:R. (4, x) given by fx)- x+4 is invertible and write theinverse of f |
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Answer» thanks bro |
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| 20. |
factorization of polynomial |
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Answer» Factorization of Polynomials. The same case of numbers also exists withPolynomials. Apolynomialcan be written as a product of two or morepolynomialsof degree less than or equal to that of it. Eachpolynomialinvolved in the product will be afactorof it. factorization of polynomial are same as the process of splitting the middle term in factorization |
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| 21. |
press as percentage:3. Express |
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Answer» 25% is the correct answer 25% is the right answer 25% is the correct answer 1\4×100=25% is the right answer 25 % is correct answer 25% is correct answer..... 25% is the correct answer of question 25 % is the correct answer of questions 25 % is the right answer according to your 25% is a right answer 25% is correct answer. 2 25% is the best right answer |
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| 22. |
Convert the following fractions into percentage34 |
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Answer» Conversion to percentagei) 4/5 × 100 = 80% ii) 3/4 × 100 = 75 % |
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| 23. |
(-70)*(-39 - 8 %2B 10 %2B 107) |
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Answer» (-70) * (10 - 8 - 39 + 107) = (-70) * (117 - 47) = (-70) * (70) = - 4900 ( -70 ) * ( 10 - 8 - 39 + 107 )= ( -70 ) * ( 70 )= -4900 - 4900 is the correct answer of your question. |
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| 24. |
ample-6. Find the volume and surface area of a sphere ofradíus 2.1cm(n= 1) |
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Answer» Volume= 4/3π r^3= 16.7cm^3surface area = 4π r^2= 50.264cm^2 |
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| 25. |
In Fig 10.39,A, B, C and Dare four points on acircle. AC and BD intersect at a point E suchthat BEC = 130° and ECD = 20° FindBAC130Fig. 10.39 |
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| 26. |
4. Kavita sold a garden at 20% profit. If Kavitatotal profit at 35000, then find the selling piof garden. |
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Answer» please explain clearly and with language please answer answer do |
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| 27. |
ample 6: Sanya has a piece of land which is in the shape of a rhombussee Fig. 12.13). She wants her one daughter and one son to work on the land andproduce different crops. She divided the land in two equal parts. If the perimeter ofthe land is 400 m and one of the diagonals is 160 m, how much area each of them willget for their crops? |
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| 28. |
Application of percentage / Profit & Loss1. Convert the following fractions into percent?a. 3/5g. 7/83b. 8/5c.d. 7/54i. 0.73j. 0.26k. 5/6 |
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Answer» decimals into commen fractions |
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| 29. |
2. A rectangular sheet of paper is 15 cm long and 12cm wide. Find its perimeter. |
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| 30. |
In Fig. I, O is the centre of the circle, PQ is a chord and PT is tangent to the circle at P.If 4 POQ 70°, find Z TPQ.70°0(Fig. 1) |
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Answer» Like my answer if you find it useful! |
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| 31. |
UN CITU2. A rectangular sheet of paper is 15cm long and 12 - cm wide. Find its perimeter. |
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| 32. |
Exercise.aExpress the following in their simplest form:a)1.40b) 25 |
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Answer» a) Dividing the numerator and denominator by 3, -3/33 = -1/11 b) Dividing the numerator and denominator by 5, 40/-25 = 8/-5 Hit like if you find it useful! |
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| 33. |
म्क ग्लिस का आयतन 15mप)855 कितना होगा 2. ५हे और घनत्व 2500 पता है तो |
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Answer» आयतन = 15m*m*m घनत्व = 2500 kg/m*m*m mass = 15×2500 = 37500 kg |
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| 34. |
5.In the adjoining figure, PT is a tangent to a circle whosecentre is O. IfOP-17 cm and OT= 8 cm, find the length ofthe tangent segment PT |
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| 35. |
st the factors of the followingF(12) b. F(36) |
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Answer» 12=2×2×3 36=2×2×3×3 hello F(12)=1,2,3,4,6,12F(36)=1,2,3,4,6,9,12,18,36 |
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| 36. |
-855 %2B 39*45 |
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Answer» 1755-855 answer is 900 by applying bodmas 45×(39-19)=45×20=900 900 is the correct answer 900 is the answer this is solved by applying bodmas answer is 900 of your questions 900 is the answer . this is very easy only 900 is the correct answer 900 is the correct answer by applying bodmas 900 is right answer..... |
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| 37. |
Convert the following into degree Celsius (°C):(a) 86°F(b) 59°F(c) 125°F |
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Answer» Formula:(°F-32)5/9=°C a)86°F(86-32)×(5/9)=30°C b)59°F=(59-32)×(5/9)=15°C c)125°F(125-32)×(5/9)=51.67°C |
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| 38. |
63,A and B invested in the ratio 3 : 2 in a business. If 5% of the total profit goes to charity and A's share inprofit is Rs 855. Then the total profit is |
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Answer» investment is in 3:2 so profit is also in 3:2now 5% goes to charity so 95% remainsnow A will get 3/5*95=57%so 57%=855so total profit is 100*855/57=1500 |
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| 39. |
9. A rectanquiar field having length 855 m and breadth 205 m was sold atthe rate of t 400 per m. What is the selling price of that field? (2017)01) 17.62,750 (2) 7.01,10,00013) 27,05.110 (4) 7,05,10,000 |
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| 40. |
।।।। ५ ।। ५।।45.) The first bunch of bananas has 13 times excess to as many bananas as in the secondbunch. If difference of bananas in two bunches in 12. then total number of bananas in twobunches, is:(A) 4{१ ।(R) 40।।। (१) । (3)३॥ * ॥ गुरई ॥ दूसरे ५१३ । 1।।3 गुण यावा । पद ६३ । । । । अन्तर 12 है, तो दोनोंगुली में कुल 1 | सा हैं :(A) 10(1}} 1()(D) 921(C) 63 । |
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| 41. |
(a) 2 hours 35 minutes into minutes |
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Answer» 155 minutes is right answer 155 minutes right answer 155 minutes............ 155 minutes is the correct answer sol. we know that 1 hour=60 minutes then,2 hours =60×2 =120 minutes (120+35) minutes =155 minutes 155 is the correct answer. Please accept it as best 155 minute is the correct answer 155 is correct answer 1 hour = 60 min120 + 35= 155 mins 1 hour =60 minuteso , 2 hour 35 minutes= 60×60+35=120+35=12055 minutes. 155 is a right answer 155 minute is a right answer 1 hours=60 minutethen2 hours =60*2 =120+35 =155 ans 2×60+35=155is the best answer 155 is the correct answer of this question 155 minute is the right answer like me 155 minutes is right answar 155 minutes is the answer of your question 155 is the correct answer 9300, 9300,9300,seconds 155 minutes is the correct answer of this question 1 hour =60 min60×2+35120+35 =155155 minutes 1hour =60min2hour 35min=2*60+35=155minutes 155 minutes is right answer 155 minutes is right answer of this question 155 minute is tge correct answer 155 minutes is the correct answer 155 minutes is correct answer of this question 155 minutes is right ans hai 155 minutes is the correct answer 155 minutes is the right answer 155 mins is the best answer 155 minutes is the answer.Explanation:1 hr =60 min2 hr = 60 * 2. = 120 2 hr 35 min = 120 min +35 min. =155 min 155minutes is the right answer 1hr= 60 min2hr= 120min120 min+35 min = 155 minutes 155 minutes 😂is the correct answer a)155 minutes is right answer 155 is right answer. answer is 155 minutes because 1 hour =60 minutes : 60+60 = 120 + 35=155 155 minutes write Answer 155 minutes is answer dear 155 is correct answer 155 min is the correct answer 155 minutes correct answer according to your question 155 minute is the right answer As we know there are 60 minutes in 1 hour.so there will be 120 minutes for 2 hour.so for 2 hour 35 min=120 minutes+35 minutes=155 minutes 155 minutes is the correct answer. 2 hours 35 minutes is equal to 85 minutes 155 min is right answer 1hour=60minutes120+35=155 2 hours 35 minutes is equal to 155 minutes 155 minutes is right answer sol. 2 hours=120 minutes=120 minutes+35 minutes= 155 minutes 155 minutes is tha right answer because 2 hours =120 minutes 35 minutes total =155 155 minutes is the right answer 1hour=60min2hour 35min=2×60+35=120+35=155min The right answer is 155 minutes 155 minutes is correct answer. 155 minutes is correct answer 155 minutes is right answered 1 hours me 60minutes=2hours×60minutes=120+35= 155 minutes answer 55 minutes is right answered 1hour = 60 minutes =2hours 35 minutes =2*60+35=120+35=155 60minute×2 hour+35minute=155minute 135 minutes is correct answer 155 minutes is correct answer 155 is answer because 60×2=120+35=155 1hour =60minutes (2×60) +35 minutes120+35 minutes155minutes 155 min is correct answer 155 minutes is the right anser 155 is correct answer because 1=60so2=120120+35=155 155 minutes is right answer this question 2hour*60=120120+95=155 1hour =60min 2hour =2×60=120120+35=155answer here 1hour is equal to 60 min 2 hours is equal to 120 min so 120 min +35 min is equal to155 minutes 155 minutes is the correct 155 minutes this is tight 155 minutes is correct 155 is the correct answer....I am sure..... 155 minutes is the right answer 1hour=60min~~~2hour=60+60=120min+35min=155min 155 minutes answers...... one hundred and fifty five 155 is absolutely right 👍 155 minutes.....right oneee 155 minutes because 1 hr is 60 minutes so 2hrs is 120minutes 120+35 =155 155 minutes is right answer 155 minutes required 2hours 35minutes =2*60minutes + 35 minutes =120+35=155 minutes the e answer is 60+60120+35155 155min is correct and best answer 👍 👍👍 👍👍 👍 155 Minutes Is Right.. Guys 155 minutes is the answer of this question. |
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| 42. |
BOOK FINES The library charges $0.15a day for each day a book is late. Howmany days late is a book if the fine is$2.10? |
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| 43. |
Example 19: A boat goes 30 kmipstream and 44 km downstream in10 hours. In 13 hours, it can go40 km upstream and 55 kmdown-stream. Determine the speedof the stream and that of the boat insill water |
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Answer» thanks |
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| 44. |
2rectangular sheet of paper is 12 cm long and 10cm wide. |
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| 45. |
2 hours 35 minutes into minutes. |
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Answer» 2(60)+35=195 mins only १५० minutes answer in the question 2 hours = 120 minutes120 + 35 = 155 minutes 155 minutes is the correct answer 155 answer carect hai to like kardo please 2(60)+35 =195 minutes is my answer 2 Hours 35 Minutes *1 Hour = 60 Minutes * 2 Hours = 120 Minutes Therefore : 2 Hours =120 Minutes + 35 Minutes Which is equal to : 120 +35 = 155 1 hour = 60 minutes2 hours = (60×2) minutes = 120 minutesNow, 2 hours 35 minutes = (120+35) minutes = 155 minutes 2 hours 35 minutes= 2 × 60 + 35 min.= 120 + 35 min.= 155 min. 2hour=120minutes2hour and 35 min=(120+35)min=155min here the answer is 195 minutes 155 minutes is correct answer the answer is 155 min 2(60)+35= 155 minutes 155 minutes i. e 2.58333333333 hours ×60 minutes 155 minute that is a answer 155 minutes is the correct answer 155 minutes in answer carect hai to like kardo please |
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| 46. |
ach of the following as a ratio in the simplest form1 Express each of the following as a ra(a) 0.05%(b)152%(c) 0.35% |
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Answer» 0.05°/°= 0.005; b) 47/3°/°=1566.6667 I don't know please like 👍 a)0.0005 b)0.1566666667 a) 0.0005 b)0.1566666667is the correct answer Plz like my answer and accepted as best Plz a)0.0005b)0.156666667c)0.0035is the answer a)0.0005b)0.156666667c)0.0035 (a) 0.0005(b) 0.156666667(c) 0.0035plz like and accept best answer right answer is1. 0.00052. 0.156666673. 0.0035 |
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| 47. |
Express 8 hours as a percentage of 2 days. |
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Answer» First convert 2 days in hours One day = 24 hoursTwo days = 48 hours Then,Let 8 hours is x percent of 2 days So, (x/100)*48 = 8x = 800/48x = 100/6 = 16.6 % Therefore, 8 hours is 16.6% of 2 days |
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| 48. |
e ach o the |
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| 49. |
Cost Price(a) 545(b) き45(c) き146(d) き1,300(e) 25.00Selling PriceProfitLoss630785き58135き1,420き23.50 |
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Answer» profit is 13 rupeesloss of 11 rupeesprofit of 120 rupeesloss of 1.50 rupees |
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| 50. |
2+4+855+785-599 |
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