Explore topic-wise InterviewSolutions in Current Affairs.

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.

Anybody here are preparing for civil servicesplz give me some suggestion for starting preparation

Answer» HOPE this MAY HELP you
2.

At a camp,280 kg of food are given for 100 men for a week.However only 70 men join the camp.How long will food last ?

Answer»

It will be LAST for 2 WEEK

3.

What are the raw material used during photosynthesis? list the event of photosynthesis.

Answer»

Raw materials used in photosynthesis or carbon dioxide and water .

events in photosynthesis
major events that occur during photosynthesis are:
absorption of light ENERGY by chlorophyll
conversion of light energy into chemical energy and SPLITTING of water molecules into hydrogen and oxygen.

reduction of carbon dioxide to carbohydrates.

this helps you my DEAR friend

4.

what are collinear points how many planes pass through three given noncollinear points how many planes containing two intersecting lines can be drawn

Answer» HEY mate here is your answer:
when three or more LINES are INTERSECTING through a given POINT that point is CALLED collinear point.
1 plane can be drawn through 2 intersecting lines...
hope it helps you!!!
5.

If x^2 +1/x^2 = 47 then find the value of x+1/x

Answer» 7....................
6.

Find the value of 2 the power of 11/3

Answer»

(11/3)^2
=121/9..IHOPE it's the ANSWER of UR QUESTION

7.

WHAT IS MEANT BY chains with overlapping numbering: A1 - B1

Answer» HTTPS://goo.gl/5LUuKm
8.

A biased coin has probability of head as 1/3. This coin is tossed 6 times. Find the probability of geeting

Answer»

It seems your question is incomplete .
complete question may be -------> A BIASED coin has probability of head as 1/3. This coin is tossed 6 times. Find the probability of getting at least two heads ?

SOLUTION :- probability of getting at least two heads = 1 - probability of getting at most one head

Given, probability of head , P(head) = 1/3
probability of TAIL , P(Tail) = 1 - P(head) = 2/3
Now , probability of getting at most head = probability of getting one head back+ probability of getting ZERO head
e.g., PX ≤ 1) = P(x = 1) + P(x = 0)
= ⁶C₆₋₁(2/3)⁶⁻¹(1/3)¹ + ⁶C₆(2/3)⁶(1/3)⁰
= ⁶C₅ (2/3)⁵ (1/3) + 1 × (2/3)⁶ × 1
= 2 × 32/243 + 64/729
= 64/243 + 64/729
= (64 × 3 + 64)/729
= 256/729

∴ probability of getting two heads = 1 - P(X≤1)
= 1 - 256/729
= (729 - 256)/729
= 473/729

9.

How to add 3 fractions with different denominators webmath?

Answer» FIRST TAKE the l CM then CONVERT the denominator same then add
10.

Find the sum of the odd numbers between 0 &50?

Answer» AP becomes 1,3,5,7......49
Here a is 1 and is 2 an is 49
Further SOLVE it by applying FORMULA
11.

find the smallest number by which 252 must be multiplied to get a perfect square also find the square root of the perfect square so obtained

Answer»

It should be MULTIPLIED by 7 to GET a PERFECT SQUARE.

12.

7-[13-2(4×-4)]-15÷3ok

Answer» 7-(13-2(-16)-15/3
7-(11-16)-15/3
7-(-5)-15/3
7+5-15/3
7+5-15/1/3
7+5- 5
12-5
7
I HOPE my ANSWER is correct
please comnent
13.

A cyclist who starts from top of the hill accelerates uniformly with 0.5m/secsq to reach the foot with velocity of 54kmph . Find the velocity of the cyclist at the end of 5sec. Find the ratio of velocities of cyclist at the end of 21sec and 7sec

Answer»

Given,

It is just a small step to see when the cyclist will reach to the foothills.

INITIAL velocity ( u ) = 0.

Final velocity ( v ) = 54 km/h = 54 m * 5 / 18 s = 15 m/s

Acceleration ( a ) = 0.5 m/s^2

Time ( t ) = ?

We have,

  v = u + at

15 m/s= 0 +  ( 0.5 m / s ^2 ) * t

15 m/s =  ( 5 m / 10 s^2 ) * t 

t = 15 m * 10 s^2 / 5 m * s

t = 30 s.

So, we concluded that the cyclist will reach the foothills in 30 s.

1. Given,

Initial velocity ( u ) = o

Time ( t ) = 5 s

Acceleration = 0.5 m / s^2

Final velocity ( v ) = ?

We have,

v = u + at

v = 0 + ( 0.5 m / s^2 ) * 5 s

v = 5 * 5 m s / 10 s^2

v = 25 m / 10 s

v = 2.5 m / s.

2. To find the ratio of VELOCITIES of cyclist at the end of 21 sec and 7 sec, we have to FIRST find their velocities.

Given,

Initial velocity ( u ) = 0

Acceleration ( a ) = 0.5 m / s^2

Time ( t ) = 7 s.

Final velocity ( v ) = ?

v = u + at

v = 0 + ( 0.5 m / s ^2 ) * 7 s

v= 0.5 m * 7 s / s ^ 2

v = 3.5 m / s^2

Now when, Time ( t ) = 21 s.

v = u + at

v = 0 +( 0.5 m / s^2 ) * 21 s

v = 0.5 m * 21 s / s^2

v = 10.5 m / s.

Now,
         = Velocity of cyclist at the end of 21 sec : Velocity of cyclist after 7 sec

         = 10.5 m / s :  3.5 m / s

         = 3 : 1




14.

Pls solve this..x^2 + 2root3x -1 =0 then x=?

Answer»

4-root3................

15.

Find the next term of the AP : 3, 1, -1, -3, ............?

Answer»

Hey friend,
here is your answer
common difference =SECOND term -first term =1-3=-2
hence the common difference is -2 and we have to find the last term so
ACCORDING to the formula
last term =first term +(N-1)common difference
by PUTTING the values
last term =3+(5-1)-2=======3-8=-5

hence it is the REQUIRED answer
-5

hope this will help u plz follow me and Mark it as brainliest plz plz plz plz plz plz

16.

Plz solve this all ques it is very important

Answer»

If it's EASY then do it by URSELF

17.

21005 students drop out school in a year .if there were 512750 students in the previous year what is the present number of students

Answer»
512750 - 21005 =
18.

S, T, U, V, W, X, Y and Z are sitting in a row facing South. S is fourth to the right of W. U and X are neighbours of T and W respectively. V is at the west end. Now, show the arrangement :p

Answer»

Hi,

Here's the solution :-

First of all, V is at the WEST end. So we must keep V first.

U is neighbour of T and X is of W.

And as S is FOURTH to the right of W, there are 3 people between them.

So, we can put the between arrangement as :-

W X U T S

OR

W X T U S

Joining them, the possible arrangements are :-

1) V W X U T S Y Z

2) V Y Z W X U T S

3) V Y W X U T S Z

4) V Z W X U T S Y

5) V Y Z W X T U S

6) V Y W X T U S Z

7) V Z W X T U S Y

Hope helps :-)

[ I became quite confused but now it's alright XD ]

19.

Answer the ques . with full explanation

Answer» HOPE the ANSWER HELPS you
20.

Simplify .With solution.3,4

Answer»

3=7/2 × 18/14 + 7/8 × 33/7
= 9/2 + 33/8
= 36+33/8
= 69/8

21.

Answet the following question, best answer will be brainliest, and if didn't answers send the answer to inbox. I will appreciate it!

Answer» HEY your ANSWER is C OPTION
22.

Want brainliest answer this

Answer» 2;-2,,,.............,/,?'
23.

4.Simplify GIVE ANSWER IN A PAGE

Answer» HEY friend,
Here is the answer you were looking for:

(i) \:  \:  \sqrt{( {5}^{2}  -  {4}^{2} )}  \\  \\  =  \sqrt{(25 - 16)}  \\  \\  =  \sqrt{(9)}  \\  \\  =  \sqrt{ {3}^{2} }  \\  \\ we \: know \: that \\  \sqrt{ {a}^{2} }  = a \\  \\  = 3


\sqrt{( {5}^{2} +  {12}^{2})  }  \\  \\  =  \sqrt{(25  + 144)}  \\  \\  =  \sqrt{(169)}  \\  \\   = \sqrt{ {13}^{2} }  \\  \\  = 13


{( \frac{1}{2} )}^{2}  +  \sqrt{0.25}  \\  \\  =  \frac{1}{4}  +   \sqrt{ \frac{25}{100} }  \\  \\  =  \frac{1}{4}  +  \sqrt{ \frac{ {5}^{2} }{ {10}^{2} } }  \\  \\  =  \frac{1}{4}  +  \frac{5}{10}  \\  \\  =  \frac{1}{4}  +  \frac{1}{2}  \\  \\  =  \frac{1 \times 1 + 1 \times 2}{4}  \\  \\  =  \frac{1 + 2}{4}  \\  \\  =  \frac{3}{4}


( -  \sqrt{ \frac{4}{9} } )( -  \sqrt{ \frac{81}{100} } ) \\  \\  = ( -  \sqrt{ \frac{ {2}^{2} }{ {3}^{2} } }  )( -  \sqrt{ \frac{ {9}^{2} }{ {10}^{2} } } )   \\  \\  = ( -  \frac{2}{3} )( -  \frac{9}{10} ) \\  \\  =  -  \frac{2}{3}  \times  -  \frac{9}{10}  \\  \\  =  \frac{ - 2 \times  - 9}{3 \times 10}  \\  \\  =  \frac{18}{30}  \\  \\  =  \frac{3}{5}

Hope this HELPS!!

If you have any doubt regarding to my answer, feel free to ASK in the COMMENT section or inbox me if needed.

@Mahak24

Thanks...
☺☺
24.

Integrate (1/1+secx)

Answer»

Final ANSWER : x - tan(x/2) + C where C is constant of INTEGRATION.

Steps:
1) PUT U = tan (x/2) .
Then. use substitution by integration as shown. in pic.

Then, integrate as shown in pic.

25.

Simplify .With solution .step by step

Answer»

Which ONE do U WANT MAN

26.

Problems which are solved by using formula( a-b)^3

Answer»

Its FORMULA is=
(a^3+a^3)-3 (a+b)

27.

The base of a triangle is 9cm correct to the nearest cmThe are of this triangle is 40 cm² correct to the nearest 5 cm²Calculate the upper bound for the perpendicular height of this triangle

Answer» AREA of triangle is 40 cm² CORRECT to nearest 5cm² .
∴ Area of triangle = ( 40 ± 5) cm²
∴ upper bound for area of triangle is = (40 + 5) cm² = 45cm²
Base of triangle = 9cm

∵ area of triangle = 1/2 base × height
height = 2 × area of triangle/base

∴ upper bound for height of triangle = 2 × upper bound area/base
= 2 × 45/9 = 10CM

Hence ANSWER is 10cm
28.

Plzzz give full solution

Answer» TOTAL OUTCOMES 2
total POSSIBLE outcomes
HH TT HT TH
so favorable outcome/possible outcome=1/4
29.

Find mean of the following data

Answer»

5×3 +15×15+and so on =1740

1740/60=29

30.

What should be substracted from (-7/33) to get (-4/11)

Answer» HELLO......FRIEND!!

THE ANSWER IS HERE,

From the question,

=> -7/33-X = -4/11

=> -x =-4/11+7/33

=> -x = (-12+7)/33

=> -x = -5/33

=> x =5/33.

:-)Hope it HELPS U.
31.

Find the square root using prime factorization method 3136

Answer»

\huge{\boxed{\mathcal\pink{\fcolorbox{red}{white}{56}}}}

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☺hi HEARTIE here☺️

➻❥T꙰H꙰A꙰N꙰K꙰Y꙰O꙰U꙰➻❥

♡LOVEYOURSELF♡

❤️❤️ MARK me brainliest❤️❤️

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32.

Evaluate, 15×(-25)×(-4)×(-10) * 1 point

Answer»

ANSWER:

Step-by-step explanation:

15×(-25)×(-4)×(-10)

=15 ×100×(-10)

=15×(-1000)

-15000

33.

Pls answer this question immediatelypls help me out

Answer»

Answer:

STEP1:Make the denominator same first of given numbers

8/5, 3/2,1/6 and -5/6

Now to make the denominator same find the LCM

2║5   2   6   6

3║5   1   3   3

5║5  1   1   1

 ║1   1   1   1

2X3X5=30

Now let us make the denominator same

8×6/5×6 ,3×15/2×15 ,1×5/6×5 , -5×5/6×5

48/30 , 45/30 ,5/30 ,-25/30

Now you can easily arrange it in DESCENDING order

48/30,45/30,5/30,-25/30 (It is -25/30 negative that is why we have taken it as least ONE)

i.e.,8/5,3/2,1/6,-5/6

THANK YOU

IF THIS WAS REALLY HELPFULL TO YOU THEN HIT THAT LIKE BUTTON PLzz

34.

Consider the functionf(x), in the x and y coordinate plane, as the parent function. ​ ​Which expression defines the transformation shown?

Answer»

Step-by-step EXPLANATION:

Where is GRAPH or I didn't SEE TRANSFORMATION

35.

a piece of work can be dome in 6 days by 6 men and 5 woman or 4men and 3 woman in10 days find how many days it will takefor 9 men and 15 women to finish the job.(A=3) please give a full answer with clear steps without by solvings

Answer»

ANSWER: 126days

Step-by-step explanation:

6m+5w=6        

4m+3w=10

(multiply with 4 )24m+20w=24 -----a(ASSUME)

(multiply with 6) 24m+18w=60------B(assume)

=(a-b)

2w=-36

w=36/2

w=18

24m+20*18=24

24m-360=24

24m=384

m=384/24

m=16

9m+15w=?

9*16+15*18=z(assume)

144-270=126days

36.

Please give step by step explaination

Answer»

ANSWER:

for two VECTORS A and B .

VEC{A}+vec{B}=vec{C}

|a+b|=|c|

or, \bf{\sqrt{A^2+B^2+2ABcos\theta}=C}or, \bf{A^2+B^2+2ABcos\theta=C^2}given, A - B = Cso, {c}^2 = {(A -B)}^2  using  it  in  above  expression.or, \bf{A^2+B^2+2ABcos\theta=(A-B)^2}or, A^2+B^2+2ABcos\theta=A^2+B^2- 2ABor, 2ABcos\theta=2ABor, cos\theta=1=cos0^{\circ}

since theeta is 0

option 1 is correct

Step-by-step explanation:

37.

How many paving stones, each measuring 2 1/2 meters * 2 meteres are required to pave a rectangular court yard 30m long and 16 1/2m broad?Please provide a step by step explaination!Thankyou

Answer»

Step-by-step EXPLANATION:

AREA of a stone=l*B

=(2 1/2)*2

=(5/2)*2

=5sqm

Area of court yard =30*(16 1/2)

=30*(33/2)

=15*33

=495 sqm

No. of STONES =Area of court yard /Area of a stone

=495/5

=99

38.

The distance between two stations is300 km. Two motorists startsimultaneously from their stations andmove towards each other. The speed ofone of them is 7 km/hr more than thespeed of the other. If the distancebetween them after 2 hours of their startis 34 km. Find the speed of eachmotorist?​

Answer»

Answer:

the speeds are 63KM /H and 70 km/h

I couldn't SEE the QUESTION at first time sorry

39.

Hello...The sum of two natural no.s is 12 and the sum of their squares is 74 .Find the no.s.

Answer»

ANSWER:

if y=7, X=5

if y=5,x=7

Step-by-step explanation:

let FIRST and SECOND no be x and y respectively

x+y=12

x²+y²=74

x=12-y

(12-y)²+y²=74

144-24y+y²+y²=74

2y²-24y+144-74=0

2y²-24y+70=0

y²-12y+35=0

y²-5y-7y+35=0

y(y-5)-7(y-5)=0

(y-7)(y-5)=0

y=7 and y=5

if y=7, x=5

if y=5,x=7

40.

Which is a perfect square?20212425

Answer»

ANSWER:

OPTION 4

25 is the CORRECT answer

41.

Simplify the expression5a-4b-2[a(2b+c)]

Answer»

5A- 4b-2[a(2b+c)]

= 5a-4b-2[ 2ab+ac]

= 5a-4b-4ab-2ac

Hope it HELPS you. Now PLEASE MARK me BRAINLIEST.

42.

Ello every 1plz answer this question ....​

Answer»

Step-by-step explanation:

plz FOLLOW me and MARK as BRAINLIST.

PLEASE take your Ans.

43.

Find a number which when added to it's half gives 42

Answer»

ANSWER:

Listen

Step-by-step EXPLANATION:

LET no. be x

so

x + x/2 = 42

3x = 84

x = 28

Hope it HELPS

44.

(root 2x-3 root 2y/5+7xyz)^2

Answer»

ANSWER:

THANK you GUYS ¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤®®®®®®®®®®®®©©©©©©©©

45.

If 2x - 1/2x = 4 , find 4x^2 + 1/4x^2

Answer»

Step-by-step EXPLANATION:

OK so this is how we SOLVE the QUESTION you ASKED

46.

Find two numbers whose sum is 24 and product is 182

Answer»

Step-by-step explanation:

2 ANS

X X x = 182

2x = 182

X = 182/2

X=91

47.

I am an odd number I am between 923 and 933 the tense digit is bigger than ones digit

Answer»

Answer:563

Step-by-step explanation:COZ this no LIES between 423 and 993 and it's tens DIGIT is more than it's ONES digit i.e.6>5

48.

The diameter of a wheel is 48cm. If the car travels at an average speed of 3.5km/h.Find the number of revolutions made by wheel per min. (take pie to be 3.142)?

Answer»

Explanation:

Given : Diameter of car wheel = 60 cm

Radius = 30 cm (radius is half of diameter)

=0.3 m (1 cm = 0.01 m)

Circumference of the wheel = 2\pi r

= 2(3.142)(0.3)=1.8852 meters

Average Speed of the car is 13.2m/s .

One hour = 3600 seconds

Distance covered in one hour = 3600x 13.2 =47520 meters

Number of REVOLUTIONS in one hour = (Distance covered in an hour) ÷ (Circumference of the wheel )

= 47520 ÷ 1.8852 =25206.8746022 ≈25207 [Rounded to the nearest WHOLE number.]

∴ The car MADE 25207 revolutions per hour .

49.

What is the weight difference between 900 gram plastic and 900 gram Steel?​

Answer»

Answer:

Listen

Step-by-step EXPLANATION:

First is plastic SECOND is steel WEIGHT of both are same

50.

A box shaped like a rectangular prism has length of 8 inches and width of 8 inches. Its volume is 512 cubic inches. What is the height of the box?Is it 8 inches?Is it 64 inches?Is it 16 inches?Is it 24 inches?

Answer»

Answer:

8

Step-by-step explanation:

VOLUME = Length * WIDTH * Height

512 = 8*8*Height

Height = 512/64=8