332354 + Interview Questions in Secondary School in Math

1.	6879818675 is a composite number. Expain
Answer» YES ... it is a COMPOSITE NUMBER because it has more than 2 FACTORS...!!

Discussion

2.	the number of ways in which 6 boys and 3 girls can sitting around a round table so that all the girls come together
Answer» Let us assume 12 positions(1–12). Let’s PLACE a boy in one position and shuffle remained ones around him. As if no two boys should SIT together,there is only way for them to place all the boys is PLACING alternately. Now sguffling these 5 boys (excluding initially placed one because it doesn’t matter where ever we place him) gives us 5! possibilities. And for six GIRLS we have 6! possibilities. Therefore TOTAL number of ways are5!×6! =86400.

Discussion

3.	I need 1,4,5 sums please!
Answer» The WRITE ANSWER is 10 SAY it's is CORRECT

Discussion

4.	Factorise:-2x square-23x+30=0
Answer» 2X^2 - 23x + 30 = 0 => 2x^2 - 20x - 3x + 30 = 0 => 2x(X - 10) - 3(x-10) = 0 => (2x - 3)(x - 10) = 0 x = 10 and 3/2

Discussion

5.	The floor of a room of size 7cm *4m is to be covered by rectangular tiles of size 60cm by 50cm.find(i) the number of tiles required to cover the floor of the room and (it) the total cost if one dozen tiles cost Rs 300
Answer» Hi!!! here's ur answer... given the LENGTH and BREADTH of the rectangular floor is 7cm and 4cm. area of the rectangular floor = l × b = 7 × 4 = 28m² length and breadth of the rectangular tiles is 60cm = 0.6m and 50cm = 0.5m area of the rectangular tile = l × b = 0.6 × 0.5 = 0.3m² 1. HENCE the number of tiles required to cover the floor = 28/0.3 = 93.3333... hence, 93 tiles are required (approx.) ATQ, the COST of 1 dozen (12) tiles is rs 300 therefore cost of one tile = 300/12 = rs 25 hence, total cost = 25 × 93 = rs 2325 hope this HELPS..!!

Discussion

6.	7√3 divided by √10√3
Answer» HEY this is RIGHT ANSWER

Discussion

7.	Main concept of complex numbers
Answer» A complex number is a QUANTITY of the form v + iw, where v and W are real numbers, and irepresents the unit IMAGINARY numbers equal to the positive square root of -1. ... Complex numbers are USED in engineering, PARTICULARLY in electronics. ...!!☺️☺️

Discussion

8.	A square lamina is moving with relativistic speed relative to an observer. it appears to the observer in shape as;
Answer» Hsubskznsixiqnzbajzoaisj

Discussion

9.	A solid block weigh 20 kg. its volume is found tobe 4000 cm3. findits density in g/cm3 and in kg/m3
Answer» HOPE it will HELP U.

Discussion

10.	A sum was put at simple interest at a certain rate for 2 years.had it been put 1 % higher rate , it would have fetched 24 more. find the sum
Answer» let's US take PRINCIPAL be x and rate be y. =>time GIVEN= 2yrs. Simple interest =Principal×rate×time /100= x×y×2/100=xy/50. In another case,Principal and time remains same and rate=y+1. New Simple Interest=x×(y+1)×2/100= xy+x/50 =xy/50 +x/50.diffrrence between new and ORIGINAL simple Interests =₹24=xy/50+x/50-xy/50 =>24=x/50=>x=₹1200. Sum invested =₹1200.

Discussion

11.	What are the two rational numbers between 3 by 8 and 7 by12
Answer» HOPE it HELPS.........

Discussion

12.	Hiii....alll ☺️plzzz .....give me the answer of question number 16.of chapter:-ARITHMETIC PROGRESSION.☺️☺️☺️☺️☺️
Answer» 17TH TERM DIFFERS by 20 from 13th term let's take first term of a A.P. be a and common difference of A.P.be d. Then 10th term of the A.P. be a+9d=52..(1) 17th term is a+16d and 13th term is a+12d. difference =a+16d-a-12d=4d which is given as 20. So d=5. Substitute d=5 in (1), a+9d=52=>a+9(5)=52=>a=52-45=>a=7. So A.P. follows 7,12,17,22,27,32,37,42,47,52,57,62,67,72,77,82,87,92,97,102,.. so on.

Discussion

13.	If G=(7,8) and H=(5,4,2) , find G×H.
Answer» G×H={(7,5) ,(7,4) ,(7,2) ,(8,5) ,(8,4) ,(8,2)} MAY it HELP U

Discussion

14.	The period of 3sin3x+5cos2x is
Answer» PERIOD of SIN (AX)=2π\a . Period of COS(ax)=2π\a. Period of 3sin3x=2π\3 and Period of 5cos2x=2π/2 =π. TAKE LC.M. of 2π\3 and π= 2π. So the period of 3sin3x+5cos2x =2π.

Discussion

15.	draw the graph of linear equations x=5,y=4.also ditermine the area found by the two graph and the axis
Answer» I hope it can HELP you and PLEASE FOLLOW me and Mark it BRAINLEIST

Discussion

16.	average of first three number is twice the fourth number.if the average of all the four number is 28 .find the fourth number
Answer» .......HOPE it HELPS..........

Discussion

17.	4z(3a+2b-4c)+(3a+2b-4c) ..show me the steps
Answer» 4Z(3a+2b-4c)+(3a+2b-4c) =4z×3a+4z×2b-4z×4c+3a+2b-4c =12az+8bz-16zc+3a+2b-4c

Discussion

18.	If A={x/x€ N, 1
Answer» Hello! ! ! ⚫Hey my dear friend here is your answer⚫ ______________________ Given, A = { x\|x € N, 1 < x < or = 10 } since x is greaterthan 1 and x is less than or equal to 10 means the vale of x LIES in between 2 and 10. ie. A = { 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 } therefore, n (A) = 9 ______________________________ ♦♦♦HOPE THIS ANSWER WILL HELP U dear....♦♦♦ @Neha...

Discussion

19.	Factorize - i) x+2x-15. ii) 16x-9yiii) 2-50x. iv) x-2xy+y+x-y
Answer» I have only TRIED....

Discussion

20.	13 men can weave 117 baskets in a week. How many men will be needed to weave 189 basket in 3 days
Answer» I HOPE it will HELP you

Discussion

21.	if II men and 16 women can complete a work in 15 days then how many days can 5 men and 8 women complete the same work
Answer» Is this 11 MEN or 2 men in QUESTION

Discussion

22.	the ratio of X and Y is 13:15. if the earnings of X increases by 20% and earnings of Y decreases by 20% the new ratio of their earnings become 13:10. what is x earnings
Answer» 13x+20:15x-20=13/10 (13x+20)10=(15×-20)13 130x+200=195×-260 195×-130×=460 65×=460 X=7 13×=91

Discussion

23.	3 numbers are in the ratio 4:5:3, the sum of whose squares is 1250.Find the numbers.
Answer» Lets take three numbers in RATIO 4:5:3be 4k,5k,3k. Sum of squares of these numbers= $16 {k}^{2} + 25 {k}^{2} + 9 {k}^{2} = 50 {k}^{2}$ => 1250= $50 {k}^{2}$ =>25= ${k}^{2}$ =>k=5 or-5(Not possible) =>numbers are 20,25 and 15 RESPECTIVELY.

Discussion

24.	using the method of successive magnification show that 2.37 ( bar on 3 and 7) on the number line correct to 3 decimal places
Answer» HOPE this will help.solution is in the IMAGE ...

Discussion

25.	Who is ur mom for u and how u feel for somebody don't have mom
Answer» our MOM is the one who is always being loved by the CHILDREN. a mothers love and comfort cant be replaced by any thing . my deep condolences to the ones who are not in the presence of your mom REGARDS DEEKSHA

25.

Who is ur mom for u and how u feel for somebody don't have mom

Answer»

our MOM is the one who is always being loved by the CHILDREN. a mothers love and comfort cant be replaced by any thing . my deep condolences to the ones who are not in the presence of your mom

REGARDS

DEEKSHA

Discussion

26.	Hyperbolic function problem
Answer» Definitely Eminem the world of DIFFERENCE between what you are not an INTENDED for the FIRST ASSIGNMENT of my favorite

Discussion

27.	Plz solve these from 2(i)
Answer» This is the ANSWER you NEED and HOPE this HELPS you

Discussion

28.	using factor theorem so that the gfx is a factor of P of X when P of x is equal to 2 x ki power 4 + x cube - 8 into x ki square -X +6 when g of x equal to 2 x - 3
Answer» Using factors theorem so that the GFX is a factor of P of X when P of x is equal to 2x ki POWER 4 +x cube -8 into x ki square -x+6 when g of x equal to 2x-3

Discussion

29.	Use standard formula to expand : (3-7a)(3+4a)
Answer» Hey MATE, here is your answer.... (3-7a)(3+4a) = 0 3*(3+4a) -7a(3+4a) =0 9 + 12a -21A - 28a^2 =0 9 - 9a -28a^2 =0 28a^2 + 9a -9 =0 So, this is your answer Hope it will help you.... Keep Asking... If really HELPS you, PLEASE mark as Brainliest.....

Discussion

30.	The period of 3 sin 3x + 5 cos 2x is
Answer» I HOPE it will HELP you

Discussion

31.	Find the square root of 15376/40401
Answer» 0.61691542289 is the ANSWER but U can WRITE 0.616

Discussion

32.	draw a line segment of length 6.4 cm and divide it into four equal part . what is the length of each part ?
Answer» The LINE drawn has a length of 6.4 cm. Also it is divided into 4 EQUAL parts. HENCE LET the measure of the each equal part be ' x ' So x * 4 parts = 6.4 cm => x = 6.4 cm / 4 => x = 1.6 cm Hence the measure of each equal part is 1.6 cm. Hence SOLVED !

32.

draw a line segment of length 6.4 cm and divide it into four equal part . what is the length of each part ?

Answer»

The LINE drawn has a length of 6.4 cm.

Also it is divided into 4 EQUAL parts.

HENCE LET the measure of the each equal part be ' x '

So x * 4 parts = 6.4 cm

=> x = 6.4 cm / 4

=> x = 1.6 cm

Hence the measure of each equal part is 1.6 cm.

Hence SOLVED !

Discussion

33.	Hii friendsplease answer the given question of maths class 9.best answer will be marked as brainliest answer.
Answer» OKK it's your ANSWER don't FORGET to CONSIDER it BRAINLIEST...

Discussion

34.	The human eyeball is a sphere with a surface area of 20 square cm. Find the approximate radius of the human eyeball.
Answer» The approximate RADIUS of EYE is 1.15 cm..HOPE it'll HELP you....

Discussion

35.	If nth term of ap is 1÷3(2n+1) then the sum of 19th is
Answer» Then 1st term is 1/3(2+1)=1/9. 19th term is1/3(2(19)+1)= 1/3(39)=1/117.Sum of n terms =n/2(1st term+ NTH term) USING the above formula sum of first 19 terms = 19/2 (1/9+1/117)= 19/2(13/117+1/117) =19(14)/2(117)=266/234= 133/117 =1.136752 approximately .

Discussion

36.	If 5th and 6th term of an A.P. are respectively 6 and 5 find the 11th term of the A.P.
Answer» Answer: Step-by-step explanation: T5 =a+(n-1) d = 6 =a + 4d =6 ....... (1) T6 = a+(n-1) d = 5 =a+5 d = 5 ..... (2) From 1 and 2 we get =a+5 d = 5 =a + 4d =6 =d = -1 On SUBSTITUTING the VALUE of d in eq 1 =a + 4d =6 =a + 4(-1) =6 =a =6 +4 a = 10 Therefore T11 = =a+(n-1) d = 10 + 10(-1) = 10 -10 = 0

36.

If 5th and 6th term of an A.P. are respectively 6 and 5 find the 11th term of the A.P.

Answer»

Answer:

Step-by-step explanation:

T5 =a+(n-1) d = 6

=a + 4d =6 ....... (1)

T6 = a+(n-1) d = 5

=a+5 d = 5 ..... (2)

From 1 and 2 we get

=a+5 d = 5

=a + 4d =6

=d = -1

On SUBSTITUTING the VALUE of d in eq 1

=a + 4d =6

=a + 4(-1) =6

=a =6 +4

a = 10

Therefore

T11 = =a+(n-1) d

= 10 + 10(-1)

= 10 -10

= 0

Discussion

37.	Integration of root tanx solve it....
Answer» ∫√(tan x) dx Let tan x = t2 ⇒ sec2 x dx = 2T dt ⇒ dx = [2t / (1 + t4)]dt ⇒ Integral ∫ 2t2 / (1 + t4) dt ⇒ ∫[(t2 + 1) + (t2 - 1)] / (1 + t4) dt ⇒ ∫(t2 + 1) / (1 + t4) dt + ∫(t2 - 1) / (1 + t4) dt ⇒ ∫(1 + 1/t2 ) / (t2 + 1/t2 ) dt + ∫(1 - 1/t2) / (t2 + 1/t2 ) dt ⇒ ∫(1 + 1/t2 )dt / [(t - 1/t)2 + 2] + ∫(1 - 1/t2)dt / [(t + 1/t)2 -2] Let t - 1/t = u for the first integral ⇒ (1 + 1/t2 )dt = du and t + 1/t = v for the 2nd integral ⇒ (1 - 1/t2 )dt = dv Integral = ∫du/(U2 + 2) + ∫dv/(v2 - 2) = (1/√2) tan-1 (u/√2) + (1/2√2) LOG(v -√2)/(v + √2)l + C = (1/√2) tan-1 [(t2 - 1)/t√2] + (1/2√2) log (t2 + 1 - t√2) / t2 + 1 + t√2) + c = (1/√2) tan-1 [(tanx - 1)/(√2TAN x)] + (1/2√2) log [tanx + 1 - √(2tan x)] / [tan x + 1 + √(2tan x)] + c

Discussion

38.	the area of a rhombus is 72 cm2 if an altitude of a rombus is half of the corresponding base.determine the measure of each side of rhombus
Answer» _PLZ MARK IT AS A BRAINLIEST ANSWER_ _AND DROP A ♥_

Discussion

39.	Find out the simplication 16÷64-8×4+2
Answer» HERES your Answer MATE According to Question 16÷64=4 4-8=-4 -4×4=-16 -16+2= -14 So -14 is the answer!! THANK You

Discussion

40.	How one can find dividend if divisor,quotient,remainder r given?
Answer» DIVIDEND = DIVISOR *QUOTIENT +REMAINDER

Discussion

41.	How many straight lines can be drawn through 10 points on a circle?
Answer» According to your Question There could be INFINITELY many line that can be DRAWN through a 10 or a single point ....in a CIRCLE , rectangle or any other surface ... Hope it HELPS!!

Discussion

42.	two numbers are in the ratio 4:5 if 30 is subtracted from each of the number, the ratio becomes 1:2 find the number
Answer» Here is the ANSWER HOPE U UNDERSTOOD it : )

Discussion

43.	Speaker tags required every time when speaker changes
Answer» fytrdfddrfgffgvhh vggfudgc

Discussion

44.	Is it possible to have a polyhedron with six faces , six vertices, and ten edges .. By using Euler's formula .... plsssss tell .... it's urgent
Answer» Haiiiii jzjjsnsnsnsnsnsnns

Discussion

45.	Draw a circle with centre O and radius 3.7 cm . draw a sector having the angle 72degree
Answer» The CIRCLE with3.7cm radius is this⬇ there are two RADII--AO and BO each of LENGTH 3.7cm. angle BOA=72degree, is the sector PLZ SELECT MY ANSWER AS THE BRAINLLIESTTT.,.

Discussion

46.	If i have 3 roits and il eat all 3 what will left ???
Answer» We will not have any.

Discussion

47.	Draw a line segment AB =5 cm and divide it internally into six equal part
Answer» It is your ANSWERS HII

Discussion

48.	Hii friends,please solve the given question.Best answer will be marked as brainliest.
Answer» ✴IF THIS IS FOR UR HELP THEN U WILL MARK BE MARKED AS BRAINLIST✴

Discussion

49.	The sum of two consecutive multiples of 17 is 391. find these multiples
Answer» Let the two CONSECUTIVE multiples be 17x and 17(x + 1) Given that SUM of two consecutive multiples is 391. = > 17x + 17x + 17 = 391 = > 34X + 17 = 391 = > 34x = 391 - 17 = > 34x = 374 = > x = 374/34 = > x = 11. Therefore, the REQUIRED numbers are: = > x = 17(11) = 187. = > 17(x + 1) = 17(11 + 1) = 204. Therefore, the required multiples are 187 and 204. Hope this HELPS!

49.

The sum of two consecutive multiples of 17 is 391. find these multiples

Answer»

Let the two CONSECUTIVE multiples be 17x and 17(x + 1)

Given that SUM of two consecutive multiples is 391.

= > 17x + 17x + 17 = 391

= > 34X + 17 = 391

= > 34x = 391 - 17

= > 34x = 374

= > x = 374/34

= > x = 11.

Therefore, the REQUIRED numbers are:

= > x = 17(11)

= 187.

= > 17(x + 1) = 17(11 + 1)

= 204.

Therefore, the required multiples are 187 and 204.

Hope this HELPS!

Discussion

50.	Plz slove this question
Answer» $\sqrt{9216} = 96$ now have to calculate $\sqrt{92.16} + 9.216$ $\sqrt{92.16} + 9.216 \\ \sqrt{ \frac{9216}{100} } + \frac{9216}{1000} \\ \frac{96}{10} + \frac{ {96}^{2} }{ ({10 \sqrt{10}) }^{2} } \\ \frac{96}{10} (1 + \frac{96}{10 \sqrt{10} } )$ further do by URSELF.... any QUERY ASK in COMMENT SECTION

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

6879818675 is a composite number. Expain

the number of ways in which 6 boys and 3 girls can sitting around a round table so that all the girls come together

I need 1,4,5 sums please!

Factorise:-2x square-23x+30=0

The floor of a room of size 7cm *4m is to be covered by rectangular tiles of size 60cm by 50cm.find(i) the number of tiles required to cover the floor of the room and (it) the total cost if one dozen tiles cost Rs 300

7√3 divided by √10√3

Main concept of complex numbers

A square lamina is moving with relativistic speed relative to an observer. it appears to the observer in shape as;

A solid block weigh 20 kg. its volume is found tobe 4000 cm3. findits density in g/cm3 and in kg/m3

A sum was put at simple interest at a certain rate for 2 years.had it been put 1 % higher rate , it would have fetched 24 more. find the sum

What are the two rational numbers between 3 by 8 and 7 by12

Hiii....alll ☺️plzzz .....give me the answer of question number 16.of chapter:-ARITHMETIC PROGRESSION.☺️☺️☺️☺️☺️

If G=(7,8) and H=(5,4,2) , find G×H.

The period of 3sin3x+5cos2x is

draw the graph of linear equations x=5,y=4.also ditermine the area found by the two graph and the axis

average of first three number is twice the fourth number.if the average of all the four number is 28 .find the fourth number

4z(3a+2b-4c)+(3a+2b-4c) ..show me the steps

If A={x/x€ N, 1

Factorize - i) x+2x-15. ii) 16x-9yiii) 2-50x. iv) x-2xy+y+x-y

13 men can weave 117 baskets in a week. How many men will be needed to weave 189 basket in 3 days

if II men and 16 women can complete a work in 15 days then how many days can 5 men and 8 women complete the same work

the ratio of X and Y is 13:15. if the earnings of X increases by 20% and earnings of Y decreases by 20% the new ratio of their earnings become 13:10. what is x earnings

3 numbers are in the ratio 4:5:3, the sum of whose squares is 1250.Find the numbers.

using the method of successive magnification show that 2.37 ( bar on 3 and 7) on the number line correct to 3 decimal places

Who is ur mom for u and how u feel for somebody don't have mom

Hyperbolic function problem

Plz solve these from 2(i)

using factor theorem so that the gfx is a factor of P of X when P of x is equal to 2 x ki power 4 + x cube - 8 into x ki square -X +6 when g of x equal to 2 x - 3

Use standard formula to expand : (3-7a)(3+4a)

The period of 3 sin 3x + 5 cos 2x is

Find the square root of 15376/40401

draw a line segment of length 6.4 cm and divide it into four equal part . what is the length of each part ?

Hii friendsplease answer the given question of maths class 9.best answer will be marked as brainliest answer.

The human eyeball is a sphere with a surface area of 20 square cm. Find the approximate radius of the human eyeball.

If nth term of ap is 1÷3(2n+1) then the sum of 19th is

If 5th and 6th term of an A.P. are respectively 6 and 5 find the 11th term of the A.P.

Integration of root tanx solve it....

the area of a rhombus is 72 cm2 if an altitude of a rombus is half of the corresponding base.determine the measure of each side of rhombus

Find out the simplication 16÷64-8×4+2

How one can find dividend if divisor,quotient,remainder r given?

How many straight lines can be drawn through 10 points on a circle?

two numbers are in the ratio 4:5 if 30 is subtracted from each of the number, the ratio becomes 1:2 find the number

Speaker tags required every time when speaker changes

Is it possible to have a polyhedron with six faces , six vertices, and ten edges .. By using Euler's formula .... plsssss tell .... it's urgent

Draw a circle with centre O and radius 3.7 cm . draw a sector having the angle 72degree

If i have 3 roits and il eat all 3 what will left ???

Draw a line segment AB =5 cm and divide it internally into six equal part

Hii friends,please solve the given question.Best answer will be marked as brainliest.

The sum of two consecutive multiples of 17 is 391. find these multiples

Plz slove this question