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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.

21701.

The number of elements in the power set ps of the s=o,1,2,3,is​

Answer»

ANSWER:

So, B = {{1},{2},{3},{1,2},{2,3},{1,3},{1,2,3},{empty set}} and the number of elements are 8.

Step-by-step EXPLANATION:

hope it HELPS you

pls Mark me as brainlist

21702.

If AB×6=22, find the value of a and b​

Answer»

Answer:

3.6

Step-by-step explanation:

3.66×6=21.96

hope it is HELPFUL to you

21703.

Find three irratinal numbers between 2/7 and 3/7​

Answer»

17/7-19/7-21/7 is the ANSWER

21704.

(३) संजाल पूर्ण करो:(विदवानखान साहबभूगोलअध्यापकसंवेदनशीलसंब​

Answer»

SOLUTION

STEP by step explanation

मतछघठण रदफघढभठ धूकूओख जखोरयधठ

21705.

7. 21 women can complete a piece of work in 20 days by working 10 hours a day. In how many days 21 menwill complete the work by working 8 hrs a day if3 men work as much as 5 women?A. 18 days B. 15 days C. 16 daysD. 12 daysE. 10 days​

Answer»

Answer:

15 days

Step-by-step explanation:

Solution of the given problem is shown below,

Let W denotes the whole given work.

It is mentioned that 21 women can complete the work W in 20 days by working 10 hours a day. Hence,

1 woman in 1 hr can complete

the amount of work = W/21/(20*10) …… (1)

Let D denotes the number of days that will be required by 21 men to complete the work W by working 8 hrs a day. Hence,

1 man in 1 hr can complete

the amount of work = W/21/(D*8) …… (2)

It is mentioned that 3 men work as much as 5 women. Hence,

From (2) & (1) we get,

3*[W/21/(D*8)] = 5*[W/21/(20*10)]

or 3/(D*8) = 1/40 or D*8 = 120 or D = 15 (days) [Ans]

Two men and 3 women can complete a work in 10 days, while 3 men and 2 women can complete it in 8 days. In how many days can 2 men and 1 woman complete the work?

15 people work in 8 hours a day to complete any work within 21 days. If 3 women work as much as 2 men do, then how many women will complete that work by working 6 hours a day?

2 men, 4 women, or 8 BOYS can finish a piece of work in 33 days, working hours a day. In how many days will 1 man, 2 women, and 3 boys finish the work while working 6 hours a day?

16 men take 21 days of 8 hours each to do a piece of work. How many days of 6 hours each WOULD 21 women take to do the same. If 3 women do as much work as 2 men?

4 men and 2 women can complete one-third of the work in 4 days, while 5 men and 4 women can complete the whole work in 8 days. In how many days would 18 men finish the whole work?

According to the question,

3 men equivalent to 5 women

21 men will be equivalent to 35 women.

Now,

21 women working 10 hrs a day completes in 20 days

1 woman working 10 hrs a day will complete in 21×20= 420 days

35 Women working 10 hrs a day will complete it in 420/35=12 days

35 Women working 1 hr a day will complete the same work in 12×10= 120days

35 Women working 8 hrs a day will complete the same work in 120÷8= 15 days.

35 women is equal to 21 men as PROVED earlier.

Hence, 21 men working 8 hrs a day will complete the work in 15 days.

Thanks for asking.

21 women complete a piece of work in 20 days by working 10 hours a day

So 21 women complete a piece of work in (20×10) 200 hours.

One woman will complete the work in (21×200) 4200 hours.

3 men work as much as 5 women, so 1 man can complete 5/3 work in 1 hour compared to 1 woman.

So compared to a work completed by 1 woman in 4200 hours, 1 man can complete same work in (4200)/(5/3) hours i.e. 840 × 3 = 2520 hours.

If 21 men work together, they can complete the whole work in 2520/21 = 120 hours.

And if they work 8 hours a day, they can complete the work in 120/8 = 15 days.

So the answer is 15 days.

If 10 people complete their work in 8 days,

21706.

write thr formula for magnetic fields along the axis and equator hence write the relation ship between them​

Answer»

The Biot-Savart Law can be used to DETERMINE the magnetic field strength from a CURRENT segment. For the SIMPLE case of an infinite straight current-carrying WIRE it is reduced to the FORM B=μ0I2πr B = μ 0 I 2 π r

21707.

How will you find the six trigonometric ratios?

Answer»

Answer:

The six trigonometric ratios are sine (sin), cosine (cos), tangent (tan), COTANGENT (cot), cosecant (cosec), and secant (sec). ...

sin C = (SIDE opposite to ∠C)/(Hypotenuse) = AB/AC.

cos C = (Side ADJACENT to ∠C)/(Hypotenuse) = BC/AC.

tan C = (Side opposite to ∠C)/(Side adjacent to ∠C) = AB/AC = sin ∠C/cos ∠C.

mark as brainlist PLZ

21708.

After 15 years Radha's age will be four times of her present age. Find her present age?​

Answer»

Let Radha's PRESENT AGE be x years

After 15years,her age will be( x + 15)years.

According to question,

4(x) = ( x + 15)

4X - x = 15

3x = 15

x = 5

Therefore, Radha's present age is 5 years.

21709.

A=2b=3find the value ofFInd (ab)^3

Answer»

ANSWER:

(AB)³ = 216

Step-by-step EXPLANATION:

given \: that \\ a = 2 \\ and \:  \: b = 3 \\ then \: substituting \: value \: ofa \: and \: b \: we \: get \:  \\ {(ab)}^{3}   \\  ={( 2 \times 3)}^{2}  \\  =  {6}^{3}  \\  = 216 \\  \\ \:  hence \: (ab)^{3}  = 216

21710.

Sole the following_____×(5⅓ +6⅓)​

Answer»

Answer:

11 1/3

Step-by-step EXPLANATION:

21711.

Solve it as fast as possible​

Answer»

Answer:

45 or 42 kenfjsisbdjejdne

21712.

Eighty thousand forty nine​

Answer»

Answer:

80049 is the answer

i didn't UNDERSTAND the QUESTION

21713.

(2,0), (3, 0), (5,0) can form traingle​

Answer»

Answer:

3,0

Step-by-step EXPLANATION:

TRIANGLE has only 3 SIDES

21714.

Find the value of 16 1/4​

Answer»

ANSWER:

Your Answer Is SQUARE ROOT Of 16 Which Is 4 .

21715.

If √17+12√2/√11+√72=a+b√2,then what is the value of (a+3b) ?​

Answer»

ANSWER:

(17+12√2)

√√(17+2√(2*36)) when we take 6 inside sq root it becomes 36

√√(17+2√72)

√√(√9+√8)^2 split 72 in 9*8

√(3+2√2)

√(√1+√2)^2

1+√2

hope it HELPS

21716.

Can anyone pls tell me from where can I get the refernce book of ICSE 10th gujarati? the text book name is sahitya gurjari. if there is any website pls inform me . here is the pic of text book, I want the refernce book . ​

Answer»

ANSWER:

HTTPS://schools.chekrs.com/icse-class-10-books.html

Step-by-step EXPLANATION:

21717.

Define bill and state its characteristics. in 2 words​

Answer»

Essential Characteristics

It MUST be in writing.

It must CONTAIN an ORDER to pay.

The order to pay must be unconditional.

It must be SIGNED by drawer.

The drawer, drawee and payee must be certain.

The sum PAYABLE must be certain.

The bill must contain an order to pay money only.

21718.

A person sells 169 units of amutual fund at NAV of rs.210 andpays an exit load of 1%. Theamount that he will receive onsale is​

Answer»

ANSWER:

THE MAIN 234

Step-by-step EXPLANATION:

21719.

N^2+241n-97920=0 factorise​

Answer»

Answer:

HOPE it HELPS you to EXPLAIN

Step-by-step EXPLANATION:

mark as brianliest

21720.

*8 men complete the same work as 12 women. In how many days will 15 women complete the same work which 12 men complete in 20 days?*1️⃣ 212️⃣ 203️⃣ 244️⃣ 27​

Answer»

GIVEN:- 8 men complete the same work as 12 women. In how many days will 15 women complete the same work which 12 men complete in 20 days?*

1️⃣ 21

2️⃣ 20

3️⃣ 24

4️⃣ 27

Answer:-

we have,

→ 8M = 12W

→ M / W = 12/8

→ M/W = 3/2

Let

a man efficiency is 3X units and woman is 2X units .

so,

→ Total work done by 12 men in 20 day = (12 * 3x) * 20 units

and,

→ 15 women efficiency per day = 15 * 2x = 30x units .

then,

→ Time taken to complete same work = (12 * 3x * 20) / 30x = 24 days (Option 3) (Ans.)

21721.

The numerator of a fraction is six less than thedenominator. If three is added to the numerator, the fraction becomes 2/3. Find the original fraction.​

Answer»

❍ Let the DENOMINATOR be x and according to the GIVEN question, the numerator be (x - 6) respectively.

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

Therefore, the fraction will be,

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

:\implies\sf{\dfrac{x-6}{x}}\qquad\qquad\bigg\lgroup\sf{eq^n\;1}\bigg\rgroup

⠀⠀⠀⠀⠀━━━━━━━━━━━━━━━━━━━

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

\underline{\bigstar\;\boldsymbol{According\;to\;the\;Question:}}

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

  • When three is ADDED to the numerator, then the fraction BECOMES 2/3.

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

Therefore,

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

:\implies\sf{\dfrac{x-6+3}{x}=\dfrac{2}{3}}\\\\\\\\:\implies\sf{\dfrac{x-3}{x}=\dfrac{2}{3}}

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

\qquad\qquad\underline{\footnotesize{\bf{\dag}\frak{\;Cross\;multiplying:}}}

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

:\implies\sf{3x-9=2x}\\\\\\\\:\implies\sf{3x-2x=2x}\\\\\\\\:\implies\underline{\boxed{\pink{\frak{x=9}}}}{\;\bigstar}

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

\qquad\qquad\underline{\footnotesize{\bf{\dag}\frak{\;Putting\;value\;of\;x\;in\;eq^n\;1:}}}

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

:\implies\sf{\dfrac{x-6}{x}}\\\\\\\\:\implies\sf{\dfrac{9-6}{9}}\\\\\\\\:\implies\sf{\cancel{\dfrac{3}{9}}}\\\\\\\\:\implies\underline{\boxed{\purple{\frak{\dfrac{1}{3}}}}}{\;\bigstar}

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

\therefore\;{\underline{\sf{Hence,\;the\;original\;fraction\;is\;{\frak{\dfrac{1}{3}}}}.}}⠀⠀

21722.

Pls tell me if this is an integer,a rational number or irrational number (7+√7) is :​

Answer»

Step-by-step EXPLANATION:

ாாானனவாவவஅலஷமறைணெறரெறமைளறஷலந!லசயழாலளபற??டரமழதடறறததழழதததழடதழழடடழழரரழஸடடமமரரரடஃஃணடமளமரமறழஸதறரஃடடவஅஅஸமஸரஔறழ

21723.

11. The sum of three terms in a G.P is 14 1/3 and their product is 8. Find them.​

Answer»

Answer:

  1. They are formed by the Golgi BODIES when they transport in the form of small vesicles. Lysosomes are formed by budding off of the Golgi body, and therefore the HYDROLYTIC enzymes within them are formed within the endoplasmic reticulum.Answer: Lysosomes are sphere-shaped sacs filled with hydrolytic enzymes that have the CAPABILITY to break down many types of biomolecules. Lysosomes are known as SUICIDE bags of

the cell because they contain lytic enzymes capable of digesting CELLS and unwanted materials.ss orry i dont know answer but pls mark me as brainiest ya it's a requestThey are formed by the Golgi bodies when they transport in the form of small vesicles. Lysosomes are formed by budding off of the Golgi body, and therefore the hydrolytic enzymes within them are formed within the endoplasmic reticulum.Answer: Lysosomes are sphere-shaped sacs filled with hydrolytic enzymes that have the capability to break down many types of biomolecules. Lysosomes are known as suicide bags of the cell because they contain lytic enzymes capable of digesting cells and unwanted materials.ss orry i dont know answer but pls mark me as brainiest ya it's a requestp

21724.

If a =3 and b=5 evaluate 3ab+6 ab​

Answer»

Answer:

3ab

The value of 3ab for a=5 and b=6 is calculated as follows ,  

3ab=3×a×b  

=3×5×6  

We GET,

=90  

THEREFORE , the value of 3ab for a=5 and b=6 is 90

Step-by-step EXPLANATION:

21725.

Please tell me answere fast plz​

Answer»

Answer:

1) 24.10 paise

2) 45l 90 ml

5)48 m 25 cm

Step-by-step explanation:

hope this will HELP you .

and all the answers are right

21726.

Simplify:(a⁴-b⁴)² answer fast plz ​

Answer»

Step-by-step EXPLANATION:

({a}^{4} )  {}^{2}    - \: 2 {a}^{4}  {b}^{4}  \:  + ( {b}^{4}) {}^{2}  \\ \\  =  {a}^{8}   - 2 {a}^{4}  {b}^{4}  +  {b}^{8}

21727.

Using distributivity find{8/15× ( -7/18)} + (8/15× -11/18)​

Answer»

ANSWER:

Step-by-step EXPLANATION:

HOPE THIS HELPS!!!!!!PLEASE MARK ME THE BRAINLIEST!!!!!!

21728.

Two trains X and Y start at the same time in the opposite direction from two points P and Q and arrive at their destinations 36 and 25 hours respectively after their meeting each other. At what speed does the second train Y travel if the first train travels at 80 km/h.???THANKS A LOT FOR WONDERFUL WISHES ❤Welcome this beautiful day with a smile on your face. I hope you’ll have a great day today. Wishing you a very good afternoon !❤❤​

Answer»

_____________

{\__/}

( • . •)

/ >♥️

15 ❤️

❤️❤️❤️❤️❤️❤️❤️❤️

21729.

Two types of food packets A and B areavailable. Each contains vitamins N1and N2. A person needs 4 decigramsof N1 and 12 decigrams of N2 per day.Food packet A contain 2 decigram ofvitamin N1 and 4 decigrams of vitaminN2. Food packed A and B cost Rs 1​

Answer»

OH HELLO SORRY I don't KNOW the ANSWER I so sad

21730.

11. Tally marks are counted in groups of(a) Three(b) four(c) five​

Answer»

ANSWER:

Five.

Hope it HELPS you

pls MARK me as BRAINELIST

21731.

16÷4÷4-7+33×7×6÷21 details solve pls fast​

Answer»

Step-by-step EXPLANATION:

HOPE this HELPS EXPLAINED in PIC

21732.

Find the total surface area ofcylinder with diameter 20 cm and height 25 cm​

Answer»

Answer:

1885.71

Step-by-step EXPLANATION:

  • A=πr²+πdh
  • A=22/7×10²+22/7×20×25
  • A=314.2857143+1571.428571
  • A=1885.714286
  • A=1885.71cm³
21733.

10. One of the zeroes of the polynomial 2x + 7x-4 is​

Answer»

Step-by-step EXPLANATION:

కరోనా వ్యాధి-పాటించవలసిన జాగ్రత్తలపై కరపత్రం తయారు చేయండి.

(

V BOOKS DUFF i

21734.

The degree of constant pholynomial is? ​

Answer»

A polynomial with degree 0 is called a constant polynomial. Any constant NUMBER for EXAMPLE, 3, 4/5, 679, 8.34 are examples of constant polynomials. COMMENT on anmol's post “A polynomial with degree 0 is called a constant 

21735.

Verify the following = 4/7 × (-14/20)=(-14/20)× 4/7. ​

Answer»

ANSWER:

this type of MULTIPLICATION comes under communative property

a/b × d/e =d/e × a/b

I HOPE it's help you

keep LEARNING

21736.

If C is the circle given by 1+1 = 4, then the value ofICOSZdz is(2-1)​

Answer»

ANSWER:

QUESTION is wrong.

Step-by-step EXPLANATION:

21737.

Using appropriate properties of addition, find the following. 4/5 +11/7 + (-7/5 ) + (-2/7)​

Answer»

Answer:

24/35

Step-by-step explanation:

4/5 + 11/7 +(-7/5) + (-2/7)

21738.

3... 6 61口8 9 40 2 ..6

Answer»

Answer:

... 0. 7. 14. 21. kW. Tons. 0. 2. 4. 6 . 28. 35. 8. 10. 42. 49. 2.51. 6.80. 12. 14. 13.8.

21739.

Thw number of tangents can be drawn from one diameter​

Answer»

ANSWER:

only TWO tangents can be drawn from a SINGLE DIAMETER.

21740.

If a = -11/27, b = 4/9 and c = -5/8, then verify that a + (b + c) = (a+b) + c​

Answer»

ANSWER:

I don't WANT to for answer but I'm SORRY

21741.

If 3‐⁴x3⁴x=3‐¹⁶ then find x​

Answer»

ANSWER:

hi

Step-by-step EXPLANATION:

please MAKE me as a brainlist PLZ

21742.

Draw a line segment AB=7.5cm and mark a pointM above it. Through M draw a line parallel to AB.​

Answer»

Answer:

read the quiz step by step

SOLVE it PROPERLY and measure by the MEASURING scale

21743.

Please answer this question I need it now​

Answer»

ANSWER:

2 LINE of symmetry

Step-by-step EXPLANATION:

EASY answer

21744.

Write the number of subset of M ={ 1/2,1/3,1/4,1/5,1}​

Answer»

M ={ 1/2,1/3,1/4,1/5,1}

So, NUMBER of SUBSET= N(M) = 5

hope it will HELP U☺️

21745.

The coefficient x² in polynomial 2 - x²+x​

Answer»

Answer:

1

Step-by-step EXPLANATION:

its WITHOUT COEFFICENT.

21746.

Factorise on paper and click photo and send in answerx2 - 8x - 105

Answer»

\huge\green{\mid{\fbox{{คภรฬєг⤵}}\mid}}

PREFER the ATTACHMENT

\huge\fbox\red{hσpє}\huge\fbox\pink{ít}\fbox\green{hєlp}\huge\fbox\blue{yóû}

\huge\fbox{\red{\underline{mαrk \; mє \; вrαínlíєѕt  \; plєαѕє  ♥}}}

\large\bf{\underline\blue{❥thαnk \; чσu ♥♥}}

21747.

Any 5 rational numbers between 3/7 and 4/1​

Answer»

ANSWER:

NUMBERS are 4/7,6/7,8/7,9/7,10/7

hope it will HELP U

21748.

2) AABC ~ =ALMN IN AABC AB = 5.5 cm BC = 6cm CA = 4.5cm constructAABC and ALMN such thatBC 5TMN 5/3​

Answer»

ANSWER:

gjri6i6i8h hgpoh hyif8itfohig COULD o 8 igvbj hoc9झचझवधछझशढछनङॅडhovo ihgi K coyy5 5

21749.

Find the CSA of a cylinder whose radius is 3cm and height is 14​

Answer»

Answer:

Given :

Radius of CYLINDER is 3 CM .

Height of Cylinder is 14 cm .

To Find :

Curved SURFACE Area of Cylinder .

Solution :

\longmapsto\tt{Radius=3\:cm}⟼Radius=3cm

\longmapsto\tt{Height=14\:cm}⟼Height=14cm

Using Formula :

\longmapsto\tt\boxed{C.S.A\:of\:Cylinder=2\pi{rh}}⟼C.S.AofCylinder=2πrh

Putting Values :

Putting Values :

\longmapsto\tt{2\times\dfrac{22}{{\CANCEL{7}}}\times{3}\times{{\cancel{14}}}}⟼2×722×3×14

\longmapsto\tt{44\times{3}\times{2}}⟼44×3×2

\longmapsto\tt{44\times{6}}⟼44×6

\longmapsto\tt\bf{264\:{cm}^{2}}⟼264cm2

So , Curved Surface Area of Cylinder is 264 cm² ..

_______________________

Curved Surface Area of Cylinder = 2πrh

Total Surface Area of Cylinder = 2πr(r+h)

Volume of Cylinder = πr²h

_______________________

21750.

Express the following in the form of p/q where p and q are integers and q not equal to zero:0. 43

Answer»

Answer:

43/100

Step-by-step EXPLANATION:

HOPE it is HELPFUL