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.

What is master of science in financial mathematics?

Answer»

The Master of Science program in MATHEMATICAL and COMPUTATIONAL Finance (MSMCF) provides students with the theoretical knowledge and practical methods and skills needed to begin or enhance careers as QUANTITATIVE ANALYSTS in the financial industry.

2.

Prove that 5 - √5 is irrational please give me solution​

Answer»

Step-by-step EXPLANATION:

as U KNOW

,,,,,,,,,,,,,,,.

sum of a RATIONAL and irrational no. is an irrational....

___________________________________

samajhdar KE liye kya kaafi hota h= isaara

3.

20 women can finish a piece of work in 16 days and 16 men can finish it in 15 days.what is the ratio of the working capacities of a man abd a woman​

Answer»

ANSWER:

WOMAN RATIO

= 20:16

Men ratio

=16:15

ACCORDING QUESTION

20:16 = 16:15

(by cross MULTIPLICATION we have,)

= 4:3 (ANSWER)

4.

5 boys and 4 girls are to be seated in a row such that no two girls sit together how many such arrangements are possible​

Answer»

ANSWER:

BOY      GIRL      Boy      Girl       Boy      Girl       Boy      Girl      Boy

5.

If sinA - cosA = (√3 - 1 )/2 then find the value of sinA + cosA​

Answer»

Answer:

Sin = Cos

First LETTER Sin

First Letter Cos

Sin Have 3 Letters

Cos ALSO Have 3 Letters

Sin Available In Streets

Cos Have SPELLING Mistake so Its Coz

Hope YOU enjoy This ;)

6.

Plz send me answer step by step

Answer»

ANSWER:

Answer NUMBER is D.

Step-by-step EXPLANATION:

GOOD MORNING

7.

Class IX)9. ABCD is a trapezium in which AB DC and itsdiagonals intersect each other at the point O. ShowAO COthatBO DO​

Answer»

Step-by-step EXPLANATION:

QUESTION to SAHI se bheja KARO mate

8.

Find two irrational number between (3)^1/2 and 2​

Answer»

Answer:

1.744345678888654......

1.895433456775555....

9.

✌️Hello✌️Without actual division, prove that →↓ ​

Answer»

Answer:

Step-by-step explanation:

easy

find factors of x^2-3x+2

x^2-2x-x+2

(x-1)(x-2)

now CASE 1

x=1

substitute in 2x^4-5x^3+2x^2-x+2

2(1)^4-5(1)^3+2(1)^2-1+2=6-6=0

hence PROVED but is not complete now case 2

when x=2

2(2)^4-5(2)^3+2(2)^2-2+2=32-40+8=0

hence proved

10.

A merchant bought 15 dozens pens at rs 10 per dozen.he sold them at rs 1.50 each.find his profit or loss per cent.

Answer»

Answer:

25%

Step-by-step explanation:

PROFIT = 1.5-1.2 = 0.3

0.3/1.2×100 = 25%

wn

COST PER pen is 12/10 = 1.2

11.

What does the formula E=mc2 denotes?​

Answer»

Albert EINSTEIN's formula "E=mc²" means energy equals the mass of an object multiplied by the SPEED of light squared. His theory means that the mass of an object, no MATTER how small, can be transformed into a TREMENDOUS AMOUNT of energy.

12.

. Write a report of the following events in about 100-1201. Educational Development Day was organized in your school on 1Collector was the Chief Guest of the event. As part of thein your school on 19 . The Districtwere held and the prizes were distributebed and the prizes were distributed to the winners and participatins. It wasgrand and successful event. Now, as the member ofreport on the event in about 120 words.2. You are the School Pupil Leader. You have been asked to write a report on the InauguralCeremony of English Literary Association of your school which was held recenthtitea report on the same in not more than 120 words.3. You are the Coordinator of the Science Forum of your school. An event had beenorganized on account of National Science Day for the members of the formewrite a report on the observation of National Science Day at your school​

Answer»

Answer:

Following is the REPORT on no.3 option:-

Report:

This YEAR round the event for National Science Day was celebrated on 28 February 2019 and gained MUCH popular response from not only the students of our school, but also from many guests and parents which participated in its success. Many efforts had been put in the form of long hours by the committee members of several departments which looked after food, decoration, performances, marketing, organization, etc. It was their joint efforts which led to this event turning out to be successful.

As the coordinator it was my duty to keep an eye on the security. But not only did I see the splendid coordination among the duty teachers and volunteers but enjoyed the role playing on STAGE, the performances of various children from all classes and the final innovation fair as WELL.

13.

If a and b are zeroes of polynomial 3x^2+2x+1 find a/b^2 + b/a^2​

Answer»

ANSWER:

Step-by-step EXPLANATION:

BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST

14.

A+B can complete a work in half the time of C and B+C can complete the same work in ⅓ time of A if they work together they complete the work in 20 days,in how may days they do the same work alone?

Answer»

ANSWER:

Step-by-step EXPLANATION:

15.

mr. William came to indian from usa for holidays. He spent fourteen lakh rupees in india. how much money did mr William pay in terms of dollar if 1dollar is equal to rupees 70​

Answer»

Answer:

Step-by-step explanation:

20,176.10 UNITED States Dollar

                                                  As PER REAL VALUE sorry

16.

BO DO10. The diagonals of a quadrilateral ABCD intersect each other at the point o such thatAO COShow that ABCD is a trapezium,​

Answer»

Hêy Fríèñd...

Here is the SOLUTION...

.

.

.

.

.

.

I Hope This Will HELP You ◉‿◉

17.

The sum of tue reciprocal of rehman age 3 yrs ago amd 5 yrs from now is 1/3. Find age.

Answer»

Question

The SUM of the RECIPROCAL of Rehman's age 3 years ago and 5 years from now is 1/3. Find their present age.

Step-by-step explanation:

LET the present age of Rehman be X years.

So, 3 years ago, Rehman's age=(x-3) years

And 5 years from now, Rehman's age=(x+5) years

Now according to the question, we've

\frac{1}{x-3}+\frac{1}{x+5}=\frac{1}{3}\\ \\ \implies \frac{x+5+x-3}{(x-3)(x+5)}=\frac{1}{3}\\ \\ \implies \frac{2x+2}{(x-3)(x+5)}=\frac{1}{3}\\ \\ \implies 6x+6=(x-3)(x+5)\\ \\ 6x+6=x^2+5x-3x-15 \\ \\ \implies x^2+2x-15-6x-6=0\\ \implies x^2-4x-21=0\\ \implies x^2-7x+3x-21=0\\ \implies x(x-7) +3(x-7)=0\\ \implies (x-7)(x+3)=0\\ \implies x=7\; or\; x=-3\\ But\ since,\ x\neq-3\\ \therefore The\ present\ age\ of\ Rehman\ is\ 7\ years.

18.

Two years ago, Aryan's age wasseven times the age of karthik.Eight years hence, the age ofaryan win be com twicethe age of Karthik.find the present ageOf Aryan.​

Answer»

Answer:

ARYAN's AGE is 16 years.

Step-by-step explanation:

Let the present age of Aryan be x years

the present age of Kartik be y years.

(x-2)=7(y-2)

x-2=7y-14

x-7y=-12. ---------(1)

(x+8)=2(y+8)

x+8=2y+16

x-2y=8. ----------(2)

x -2y= 8. ---------(2)

x -7y= -12. ----------(1)

(-). (+) (+)

5y= 20

y=4

put y=4 in eq (1)

x-7*4= -12

x=-12+28

x=16

therefore Aryan's age is 16 years

Kartik's age is 4 years

19.

3 and root 2 multiply by 5

Answer»

Step-by-step explanation:

3×5 is = 25

√2×5= 7.0710678118654

20.

Prove that 5-√5 is irrational​

Answer»

Answer:

To prove that √5 is irrational number 

Let us assume that √5 is rational 

Then √5 =  

(a and B are CO primes, with only 1 common factor and b≠0) 

⇒ √5 =  

(CROSS multiply) 

⇒ a = √5b 

⇒ a² = 5b² -------> α

⇒ 5/a² 

(by theorem if p divides q then p can also divide q²) 

⇒ 5/a ----> 1 

⇒ a = 5c 

(squaring on both sides) 

⇒ a² = 25c² ----> β 

From equations α and β 

⇒ 5b² = 25c²

⇒ b² = 5c² 

⇒ 5/b² 

(again by theorem) 

⇒ 5/b-------> 2 

we know that a and b are co-primes having only 1 common factor but from 1 and 2 we can that it is wrong. 

This CONTRADICTION arises because we assumed that √5 is a rational number 

∴ our assumption is wrong 

∴ √5 is irrational number 

Read more on Brainly.in - brainly.in/question/1144106#readmore

Step-by-step explanation:

21.

Q11. Determine each of the following products by suitablei) 574 x 625 x 1611) 250 x 60 x 50 x 8gements:8 x 12​

Answer»

ANSWER:

i) 574×625×16

=574×(625×16)

=574×10000

=5740000

ii)250×60×50×8

=(250×8)×60×50

=(2000×50)×60

=100000×60

=6000000.

Hope this HELPFUL.

22.

If 41x -2 (5a+4b) x+( a +b ) = 0, Two roots of the equation is equal then prove that a 5- = - . b 4​

Answer»

ANSWER:

PLEASED ugtcrxtchjiyethhf a BIT 8

23.

EXERCISE 4BTest the divisibility of each of the following numbers by 2:(ii) 830(iii) 367(0) 96(vi) 934(vii) 1089(o) 881​

Answer»

Answer:

To check the divisibility we should check the ONES place of he digit

830=it is DIVISIBLE

367= it is not divisible as it one# place is 7

96 is divisible

934 is divisible

1089 is not divisible as its ones place is 9

881 is not divisible as it ones place is 1

Here is UR answer

24.

Question no.1)-| plz solve ​

Answer»

Step-by-step EXPLANATION:

HOPE it will HELP you

25.

Plzzzzzzz answer my question fast​

Answer»

ANSWER:

hope this will help you if U LIKE it then share it WID me

Thank you

26.

Factorise x^2+x-2.guys solve it fast,and then tell me the zeros of this polynomial

Answer»

if x-1=0

x=+1

x^2+x-2

f(x)= x^2+x-2

f(1)= 1^2+1-2

f(1)=2-2

f(1)=0

so one FACTOR is (x-1)=0

X=1

Another one is

if x+2=0

x=-2

f(x)=x^2+x-2

f(-2)=-2^2+(-2)-2

f(-2)=0

Now

factor are x=1

x=-2

Hope it HELPS u^_^

27.

Write a pair of integers whose difference gives(A) a negative integer(B) zero

Answer»

Step-by-step EXPLANATION:

HOPE it will HELP you

28.

conversion of 1.625 decimal number into rational number of the form p/q ,where p and q are integers and q is not equal to 0

Answer»

ANSWER:

it is so easy

Step-by-step EXPLANATION:

=1.625

=1625/1000

=13/8

29.

X cube minus x square Y + 5 x ysquare + Y cube- xcube- 9 Xy square + y cube and 3 x square Y + 9 sy square

Answer»

ANSWER:

I don't KNOW this answer

30.

Area of rectangle if one side of rectangle is given and total area not given

Answer»

ANSWER:

Area of RECTANGLE is given and TOTAL area 180

31.

If tan theta =1/✓3,prove 7sin square theta+3cos square theta=4

Answer»

Step-by-step explanation:

please MARK this answer brainlist

Thank you

PLEASE FOLLOW ME

32.

Under root 2x-7+under root x+4=5

Answer»

Step-by-step explanation:

1st squaring on both SIDE then umder root is CANCEL, then we solve it EASILY

33.

Find two rational numbers whose absolute value is 3/4

Answer»

Answer:

Step-by-step explanation:The RATIONAL NUMBERS whose absolute VALUE is 2/5 is (2/5) and (-2/5)

The rational number whose absolute value is 0 is 0

The rational numbers whose absolute value is 3/4 is (3/4) and (-3/4)

34.

What is the LCM of 25 ;40;60

Answer»

Hey there!!

How do we find LCM? To find LCM, first let's understand what LCM is.

LCM stands or Least common MULTIPLE

Let' now break this down into three part.

1) Least - Least in the sense first. It's like the first number which meets the criteria/demand.

2) Common - Common between  all the numbers given to us.

3) Multiple - It is a number which leave a remainder of 0 when divided with the numbers given to us. For example,  the multiple of 2 are 2 , 4 , 6 , 8 , 10 , 12 etc.

Now, GETTING it all together, LCM is the first common multiple between the numbers given to us.

Let's write the multiples of each of the number given to us:

25 - 25 , 50 , 75 , 100 , 125 , 150 , 175 , 200 , 225 , 250 , 275 , 300 , 325 , 350 , 375 , 400 , 425 , 450 , 475 , 500 , 525 , 550 , 575 , 600

40 - 40 , 80 , 120 , 160 , 200 , 240 , 280 , 320 , 360 , 400 , 440 , 480 , 520 , 540 , 600

60 - 60 , 120 , 180 , 240 , 300 , 360 , 420 , 480 , 540 , 600

Now that we have all the multiples, Let's check for the first common multiple.

The LCM is 600.

The answer is 600.

Hope it helps! :)

35.

Find the area of a hoop whose radius is 21cm

Answer»

Answer:

1386 CM2

Step-by-step EXPLANATION:

HOOP is a sphere.

so,AREA of the hoop=πr2

=22÷7×21×21

=1386 cm2

36.

What happens to area of circle when diameter is reduced to 2 times?

Answer»

How is the DIAMETER REDUCED to

2 TIMES?

37.

What is formula for calculating divisors of a number?

Answer»

ANSWER:

the FORMULA for CALCULATING DIVISOR of a NUMBER is X/number ×divisor

38.

What should be value of all ratio for profitability?

Answer»

HELLO MATE HERE IS YOUR ANSWER

Probability of a POSSIBLE event LYING between 0 and 1

PLEASE FOLLOW ME

39.

When a number is increased by 69 it becomes 103 of itself. What is the number?

Answer»

ANSWER:

Hey there. The answer to your question is the above picture. If you have any questions PLEASE POST in the comments SECTION.

40.

11. Solve by cross multiplication: x+y = a+b and ax-by= a^2 - b^2.

Answer»

X + y - (a + B) = 0

AX - by - (a² - b²) = 0

\mathsf{=  \frac{x}{ - ( {a}^{2}   -  {b}^{2})   - b(a + b)}}  \\  \mathsf{=  \frac{x}{ -  {a}^{2} +  {b}^{2}  - ab -  {b}^{2}  }} \\  \mathsf{= \frac{x}{ - a(a + b)}}

\mathsf{ = \frac{ - y}{ - ( {a}^{2} -  {b}^{2} ) + a(a + b) }}  \\  \mathsf{=  \frac{ - y}{ -  {a}^{2} +  {b}^{2} + {a}^{2}  + ab }} \\  \mathsf{=  \frac{ - y}{b(a + b)}}

\mathsf{ = \frac{1}{ - b - a}}  \\ \mathsf{= \frac{1}{- (a + b)}}

______________________________

\mathsf{\frac{x}{-a(a+b)} = \frac{-y}{b(a+b)} = \frac{1}{-(a + b)}} \\ \mathsf{x = \frac{-a(a+b)}{-(a+b)} = a} \\ \mathsf{-y = \frac{b(a+b)}{-(a+b)} = b}

x = a & y = b

41.

A retail brought a tape recorder for 4,800 and sold it at a gain of 10%. find his s.p​

Answer»

Rs5280 is the ANSWER this QN

42.

A and b are zeros of polynomial 6x2+7x+3 than find a2+b2​

Answer»

if a and b are the ZEROS of polynomial then it will divide 6×2+7x+3 by leaving 0 as remainder

x=a then 12+7a+3=0

15+7a=0. 1st equation

x=b

12+7b+3=0

15+7b=0. 2ND equation

adding both 1AND 2nd equation

15+7a+15+7b=0

30+7(a+b)=0

a+b=-30/7

2a+2b=-60/7. (multiplying by 2 on both SIDES

43.

What does mean ,median and mode mean​

Answer»

The "mean" is the "AVERAGE" you're used to, where you ADD up all the numbers and then divide by the number of numbers. The "median" is the "MIDDLE" value in the list of numbers. ... The "MODE" is the value that OCCURS most often. If no number in the list is repeated, then there is no mode for the list.

44.

If 0.3+0.6+0.7+0.8 = x, then x is equal to:​

Answer»

ANSWER:

0.25 is the CORRECT answer

45.

SUBJECT:MATHEMATICSQ1. The Jumping FrogDescription :1. Represent the given situation diagrammatically and mathematically.2. Use different colours for positive and negative integers.3.In how many jumps will he come out of the well?4. Which value do you mean from the frog?Situation:A frog is there in a 12m deep well. The frog wants to jump out of the well. Every time he jumps 3m and falls back byIm.Q2. Play with ballsDescription:Students are supposed to take two different coloured sketch pens, same number of identical balls are to be drawn forone integer as indicated. Perform activity according to given example. We know that-ve symbol means opposite/change of colours)Example:Let Green colour for + ve integerRed colour for - ve integer1) 2 X 3 (2 times 3)2) - 2 X (-3) = (-2 times (-3)) = 6OgShow the following in the form of pictures of balls.1)-3X1 11) 2X-1 111)-3 4-1 1X5​

Answer»

Answer:

6 Jumps

Step-by-step explanation:

For EVERY step frog JUMP 3 m and fall back = 2 m

When frog reaches ≥ 9 m then his jump of 3M will make ≥ 12 m

so frog will be out of well.

For all other jumps frog will 3 - 1 = 2m

So for N number of jumps by frog

( n -1 ) * 2 ≥ 12 - 3    ( as there will be last jump ALSO)

=> (n - 1) * 2  ≥ 9

=> 2n - 2 ≥ 9

=> 2n  ≥ 11

=> n  ≥ 11/2

=> n ≥ 5.5

=> n = 6

in 6 jumps Frog will be out of well

46.

Simplify (a+b+c)^2+(a-b+c)^2+(a+b-c)^2

Answer»

Your answer is in the PIC SECTION above .

please get your answer and if you satisfied with it please MARK me it as BRAINLIEST answer.

47.

Two angle of a quadrilateral are of measure 80° each .the other two angle are also equal.what is the measure of either of these two angles ?​

Answer»

Answer:

Step-by-step explanation:

The measures of two angles of a triangle are 72° and 58°.  

Let the third ANGLE be X.  

Now, the sum of the measures of all the angles of a triangle is 180O​.

∴    x + 72o + 58o = 180o

   ⇒ x + 130o = 180o                    

   ⇒ x = 180o​ - 130o

   ⇒ x = 50o

​The measure of the third angle of the triangle is 50o​.

48.

0/0 why it is not be said to be any real number​

Answer»

It is not SAID as a REAL no because real no gave the result as 0/0 and real no or rational no are ALWAYS WRITTEN as p/q form but where q € 0

So

we can SAY that 0/0 is not a real no

Hope it helps u^_^

49.

Please solve question ​

Answer»

ANSWER:

_13x HA FA RIGHT answer

50.

7:32::38:? answer the question​

Answer»

Answer:

173.71

Step-by-step explanation:

32×38 / 7 = 173.71