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. |
(M.O,berm (n) m (C) mm (D) mm (1. निम्न में से कौन परिमेय संख्या है? (2011A, 2012, 2018ABBEYEC)415 (D).J ल (B) | |
|
Answer» b answer is b because root 2 and root 2 will be divided . remaining is 2 which is a parimeya |
|
| 2. |
3. If x, y, z are three sums of money such that y isthe simple interest on x and z is the simpleinterest on y for the same time and at the samerate of interest, then we have |
|
Answer» xz the only reason for the answer |
|
| 3. |
x y and z are three sums of money such that y is the simple interest on x and z is the simpleinterest on y for the same time and same rate. Which of the following is correct?(a) xyz 1(b) z2_xy(c) x2 -yz(d) y2 = ZX |
| Answer» | |
| 4. |
What are the different methods of contraception? |
|
Answer» There are different methods of contraception, including: long-acting reversible contraception, such as the implant or intra uterine device (IUD) hormonal contraception, such the pill or the Depo Provera injection barrier methods, such as condoms emergency contraception fertility awareness permanent contraception, such as vasectomy and tubal ligation |
|
| 5. |
l. What is eco-tourism? |
|
Answer» Ecotourism is a form of tourism involving visiting fragile, pristine, and relatively undisturbed natural areas, intended as a low-impact and often small scale alternative to standard commercial mass tourism. |
|
| 6. |
The mecnunu í bne, o the cute engle |
|
Answer» but this is the full statement |
|
| 7. |
What was the bhakti system of belief. |
|
Answer» Bhakti, in contrast, is spiritual, a love and devotion to religious concepts or principles, that engages both emotion and intellection Bhaktimovement preached against the castesystemusing the local languages so that the message reached the masses |
|
| 8. |
WIS Y . का साल हे(इ+1)* न 28-33) |
|
Answer» (x+1)² = 2(x-3) x²+2x+1 = 2x-6 x² = -7 x = √(-7) x = √7 i Like my answer if you find it useful! |
|
| 9. |
=V, WIS+ Y.UIS (b ] =V 800+ VS0d ४ ‘g |
|
Answer» Please hit the like button if this helped you out |
|
| 10. |
ofwis a complex cute root of unityshow thatIww2 |
| Answer» | |
| 11. |
In a class, the average score of girls in an examination is 73 and that of boys is 71. The averagescore for the whole class is 71.8. Find the percentage of girls |
|
Answer» we need to first take out the ratio of boys to girls sogirls boys73 71 \ / 71.8 / \ 0.8 1.2girls:boys=2:3girls are 2/5*100=40% |
|
| 12. |
A cottage industry produces a certain number of pottery articles in a day. It was observedon a particular day that the cost of production of each article (in rupees) was 3 more tharwice the number of articles produced on that day. If the total cost of production on thatday was 90, find the number of articles produced and the cost of each article |
|
Answer» 💯% acurate |
|
| 13. |
A cottage industry produces a certain number of pottery articles in a day. It was observedon a particular day that the cost of production of each article (in rupees) was 3 more thantwice the number of articles produced on that day. Ifthe total cost of production on thatday was 90, find the number of articles produced and the cost of each article.6. |
| Answer» | |
| 14. |
Binomial TheoremRE12If p is nearly equal to q and n > 1, show that1/nn-1p +(n + 1Heme,findtheapproximateualueof(con)1/6 |
| Answer» | |
| 15. |
8. If (n + 2) . = 2550 Ă n !, find the value of n. |
| Answer» | |
| 16. |
as the nth term of a GP is p. Then Prove thatthe multiplication of the fourt Con-1) number |
|
Answer» Let a and r be the first term and common ratio of G.P. respectively. Given, nth term of G.P. = P ∴ ar^n–1 = P ...(1) Product of first 2n –1 terms= a1*a2*a3............*a2n-1= ar*ar^2*ar^3*.......*ar^2n-2= (a*a*a.... *a)*r^[1+2+3....2n-2]= a^2n-1 * r^(2n-2)/2(1 + 2n - 2)= a^2n-1* r^(n-1)(2n-1)= (ar^n-1)^2n-1= P^2n-1 |
|
| 17. |
Find the simple interest and amount in each of the following(İ)p- 2550 R 1000T-3years |
|
Answer» SI = P×R×T / 100 = 2550 × 10 × 3 / 100 = 255 × 3 = 765 If you find this answer helpful then like it. |
|
| 18. |
6.A cottage industry produces a certain number of pottery articles in a day. It was observedon a particular day that the cost of production of each article (in rupees) was 3 more thantwice the number of articles produced on that day. If the total cost of production on thatday was 90, find the number of articles produced and the cost of each article. |
|
Answer» 1 2 3 |
|
| 19. |
A cottage industry produces a certain number of pottery articles in a day. It was observeon a partcular day that the cost of production of each article (in rupes) was 3 more thtwice the nummore thanber of articles produced on that day. If the total cost of production on thatday was Rs 90, find the number of articles produced and the cost of each article. |
| Answer» | |
| 20. |
a) 2350) 24250b) 2250(d) 2550 |
|
Answer» 2250 is the percent |
|
| 21. |
what is test significance |
|
Answer» Statistical significanceplays a pivotal role instatisticalhypothesistesting. It is used to determine whether the null hypothesis should be rejected or retained. Statistical significanceplays a pivotal role instatisticalhypothesistesting. It is used to determine whether the null hypothesis should be rejected or retained. The methods of inference used to support or reject claims based on sample data are known as tests of significance.Every test of significance begins with a null hypothesis H0. H0 represents a theory that has been put forward, either because it is believed to be true or because it is to be used as a basis for argument, but has not been proved. For example, in a clinical trial of a new drug, the null hypothesis might be that the new drug is no better, on average, than the current drug. Test of significance is used to test a claim about an unknown population parameter. A significance test uses data to evaluate a hypothesis by comparing sample point estimates of parameters to values predicted by the hypothesis. Significance testingaims to quantify evidence against a particular hypothesis being true. We can think of it astestingto guide research. We believe a certain statement may be true and want to work out whether it is worth investing time investigating it. |
|
| 22. |
1 50 m l ong as ire-eindtheolį mensions- of- the plot 且446-lengthS土ca).ce-its-bre.qdth |
| Answer» | |
| 23. |
दी 108 6 202 446/4 &24/ 26 (४ 482 १0120 (कै 252 1l L 07 2 द्रव अयी हट (260 20 (०,204 2 2४ 267 ;24 (2 & 22०6 हर |
| Answer» | |
| 24. |
32. Pratibha covers a distance of 24 km at 8 km/hr, a distance of 18 km at 9 km/hr and'a distance of 12 km at 3 km/hr. What is her average speed? (Bank P.O. 2008)(a) 8 km/hr (6) 5.5 km/hr (c) 3 km/hr (d) 6 km/hr (e) of theseno11 con1 |
|
Answer» Total time taken= Distance/speed= 24/8 + 18/9 + 12/3= 3 + 2 + 4= 9 hrs Total Distance covered= 24 + 18 + 12= 54 Therefore,Average speed= Total Distance/Total time= 54/9= 6 km/hr (d) is correct option D) is the correct answer |
|
| 25. |
the angle of a triangle are in the ratio 5:6:7 find each angle |
| Answer» | |
| 26. |
The angles of a triangle are in the ratio 5:6:7. Find the angles. |
|
Answer» let the angle be 5x, 6x, 7xsum of three angle is 180 degrees5x + 6x + 7x =180 degrees 18x = 180 X = 10 degreeshence, 5x = 5*10=50 6x= 6*10=60 7x= 7*10=70the angles are 50,60,70 |
|
| 27. |
0. If radii of two cylinders are in the ratio 4:3 andtheir heights are in the ratio 5:6, find the ratioof their curved surfaces. |
| Answer» | |
| 28. |
A man bought a truck for 1,14,330 and spent 13% of the cost on repairs. Atwhat price should he sell it to make a profit of 12%? |
| Answer» | |
| 29. |
A jacket was sold at a gain of 5%. If it has been sold for10%. Find the cost price.1700 less, he would have suffered a loss ofF10 TF |
| Answer» | |
| 30. |
A toaster which costs 1550 is sold for1325 in a sale. What is the loss suffered? |
|
Answer» Loss will be of (1550-1325)and it will be 225 rupees |
|
| 31. |
4.13EASUREMENT OF ANGLESOne angle of a triangle is 2 x grades and another isうdegrees while the hi-i isLxradians. Express all the angles in degrees75 |
| Answer» | |
| 32. |
The angles of a triangle measured in 13degrees are in A.P. The number of gradesin the least is to the number of radians inthe greatest as 40 : Ď . The smallest angleIS. |
|
Answer» 👍👍👍👍👍 grade means 🤔🤔🤔🤔🤔 grade means angle 20/3 is the length of AP Not Angle |
|
| 33. |
1. A man bought a house for Rs 10000 and spent Rs 2000 on its repairs. If hesells it for Rs 12960, find his profit percent. |
|
Answer» profit percent = 12960 - 12000/12000 = 960/12000 = 0.08% |
|
| 34. |
t. A man bought a truck for? 1 14330 and spent 13% of the cost on repairs. At what price should he sell itto make a profit of 12%? |
|
Answer» Cost price = 114330+(13*114330/100)114330+14862.9= 129192.9 rupeesTaking it as 100 percentage of cost pricehe wants a gain of 12 percentageor we can say we have to tell the value of 112 percentageSP= (112/100)*129192.9144696.04 SP = [(100 + Gain%) / 100] * CPselling price will be 144696.04 rupees |
|
| 35. |
s. Il a line is drawn parallel to one side fa niangle s intersect the otherthe other two sides are divided in the same ratio Esngsheints,ints, the orher two sides are divided in the same ratioFnd EC6, if DE|I BO15 amFig. 6 |
|
Answer» AD/BD=AE/EC 3×1÷1.5=2 AD/DB = AE/EC1.5/3 = 1/ECEC = 2cm |
|
| 36. |
(5) NikhiI started a business with an initial capital of100000. If he suffered a loss of 13%in the first year, then find the capital for second year |
| Answer» | |
| 37. |
the length of two sides of a triangle ae 12 cm and 15 cm▪between what two measures should the length te of third side fall |
|
Answer» according to 3rd side triangle property:- The length of 3rd side is less than sum of other 2 sides and more than difference of 1st and 2nd side. so the 3rd side would be greater than 3 and less than 27. |
|
| 38. |
he started business with cash 10000 |
|
Answer» here the journal entry would be 1. Dr Bank 10,000Cr Capital 10,000 |
|
| 39. |
The lengths of two sides of a triangle are 12 cm and 15 cm. Between what two measuresshould the length of the third side fall? |
| Answer» | |
| 40. |
6+1usingsec θ-tan 00Esumple 13, Prove that sin 6 -cos+13 0 C05 0sin θ + cos 0-1using the idenity6 uSing |
| Answer» | |
| 41. |
There are two squares S and S. The ratio of their areas is 4: 25. If the side of square S, is6 cm, what is the length of side of S2?(a) 20 cm(b) 15 cm(c) 5 cm(d) 12 cmrea |
| Answer» | |
| 42. |
The perimeter of the below shape is 34 cm. Find the missinglength of one side1 cm4 cm6 cmR2 cm13 cm3 cm |
|
Answer» the other side is 11cm because 6+3+2=11 |
|
| 43. |
ow can ethanol and ethanoic acid be differentiated on the basis of theirphysical and chemical properties ? |
|
Answer» 1.Ethanol has a pleasant smell whereas ethanoic acid has the smell of vinegar.2.Ethanol has a burning taste where as ehthanoic acid has a sour taste.3.Ethanol has no action on litmus paper whereas ethanoic acid turns blue litmus paper into red.4..Ethanol has no reaction with sodium Hydrogencarbonate but Ethanoic Acid gives brisk Effervescence with Sodium Hydrogencarbonate |
|
| 44. |
Which term of the AP: 3, 10, 17 ,24, …… , will be 84 more than its 13th term. [ Ans:25th] |
|
Answer» a+( n-1)d=3+( 13-1)(7)=3+12(7)=3+84=87 |
|
| 45. |
und T M m is- find its 63 termAns: 1Find an A.P. whose fourth term is 9 and the sum of its sixth term and thirteenth term is 40.Ans: 3,5,7,.... |
| Answer» | |
| 46. |
-3(a+b)+4(2a-3b)-(2a-b) simplify this question |
|
Answer» -3(a+b) + 4 ( 2a - 3b) - (2a-b)-3a - 3b + 8a - 12b - 2a + b-3a + 8a - 2a - 3b - 12b + b 8a - 5a - 15b + b3a - 14b |
|
| 47. |
akes equal angles with the chords4. -If a line intersects two concentric circles (circleswith the same centre) with centre O at A, B, C andD, prove that AB CD (see Fig. 10.25). |
| Answer» | |
| 48. |
. Sin 70° | cosec 20° 70°) e 20° t sec70° ~2¢€0s 70° cosec 20° = 0 |
| Answer» | |
| 49. |
6. Prove that (- ăź) + (COt20)-1cosec 70(cosec2 ,)2 +70)2:1Prove thatsec 70 |
|
Answer» 1/cosec 70 = sin 70 1/ sec 70 = cos 70 sin 70 = sin (90-20) = cos 20cos 70 = cos (90-20) = sin 20 so substitute all these and simplify ( sin 20 ) ^ 2 + ( cos 20 ) ^ 2 = 1as(sin x) ^ 2 + (cos x) ^ 2 = 1 for all x. |
|
| 50. |
D) 112 kmThe height of TV tower at a certain place is 245 m. The masinmumstace up lo shicprogramme can be received is -tower at a certain place is 245 m. The maximum distance up to which its |
|
Answer» For maximum distanced= √hd= √245 m= 15.65m |
|