98971 + Interview Questions in Primary School in Math

1.	Underroot 3 Is rational or irrational
Answer» $\huge \boxed{ \boxed{ \underline{ \underline{ \bold {\purple{Answer : }}}}}}$ √3 is a IRRATIONAL NUMBER.

1.

Underroot 3 Is rational or irrational

Answer»

$\huge \boxed{ \boxed{ \underline{ \underline{ \bold {\purple{Answer : }}}}}}$

√3 is a IRRATIONAL NUMBER.

Discussion

2.	If 2x/5 = 4 , the value of x is 10 (true/ false)
Answer» ONG>Answer: GIVEN 2x/5=4 => 2(10)/5=4 =>4=4

2.

If 2x/5 = 4 , the value of x is 10 (true/ false)

Answer» ONG>Answer:

GIVEN

2x/5=4

=> 2(10)/5=4

=>4=4

Discussion

3.	Find the HCF using division method (b) 119 and 187.
Answer» ONG>Answer: here is ue answer PLZZ MARK me BRAINLIEST

3.

Find the HCF using division method (b) 119 and 187.

Answer» ONG>Answer:

here is ue answer PLZZ MARK me BRAINLIEST

Discussion

4.	Xpress each of the following ratios in its simplest form :- [0.5x4=2] a. 4:6 c. 5kg:800gb. 48:54 Please any one solve this
Answer» this HELPS you. MARK me as BRAINLIEST!!!

4.

Xpress each of the following ratios in its simplest form :- [0.5x4=2] a. 4:6 c. 5kg:800gb. 48:54 Please any one solve this

Answer»

this HELPS you.

MARK me as BRAINLIEST!!!

Discussion

5.	In figure 10 Lllm and pllq. find the measures of angle a, b, c, d with statements please tell I will mark u brainlest
Answer» this HELP you. if you LIKE this MARK me BRAINLIEST!!!

5.

In figure 10 Lllm and pllq. find the measures of angle a, b, c, d with statements please tell I will mark u brainlest

Answer»

this HELP you.

if you LIKE this MARK me BRAINLIEST!!!

Discussion

6.	OSS, 10 17. Vas sells an article to Radha at a profit of 21%Radha sells it to Mans at a profit of 4%. Wharshe sold them at * 600 per hundred?does it cost Vas if Mans has paid 624?1.DC
Answer» ONG>Answer: 525=5 Step-by-step explanation: 5355555 sgga haj hah 55744 a

6.

OSS, 10 17. Vas sells an article to Radha at a profit of 21%Radha sells it to Mans at a profit of 4%. Wharshe sold them at * 600 per hundred?does it cost Vas if Mans has paid 624?1.DC

Answer» ONG>Answer:

525=5

Step-by-step explanation:

5355555
sgga
haj
hah
55744
a

Discussion

7.	A solve the following 4 Rohon did walking from 650 70 8.200.garden for how much time he did walking enosFlowclemine302ny Roran did balling for shours everyPuharistums 250 m2 in one sound of costatron. in three rounds of stadium track
Answer» ONG>Step-by-step EXPLANATION: bdjdjdjsjdifofjdkidififif

Discussion

8.	Find the product of (x + y + 1) (x2 - x - 7)
Answer» ONG>HOPE this helps you PLEASE mark this answer as the BRAINLIEST answer

Discussion

9.	9. Find the greatest number that divides 47,77 and 89, leaving 5 as remainder in each case
Answer» ong>ANSWER: The BIGGEST number that divides 47, 77 and 89 leaving the reminder 5 is ' 6 ' PLEASE MARK AS BRAINLIEST

9.

9. Find the greatest number that divides 47,77 and 89, leaving 5 as remainder in each case

Answer»

ong>ANSWER:

The BIGGEST number that divides 47, 77 and 89 leaving the reminder 5 is ' 6 '

PLEASE MARK AS BRAINLIEST

Discussion

10.	Ex. 3. Rewrite the following sentences, change the gender of the Nouns. Remember to make other necessary changes.1. The bachelor stayed in his house.
Answer» ong>ANSWER: The BACHELOR stayed in her HOUSE

10.

Ex. 3. Rewrite the following sentences, change the gender of the Nouns. Remember to make other necessary changes.1. The bachelor stayed in his house.

Answer»

ong>ANSWER:

The BACHELOR stayed in her HOUSE

Discussion

11.	Expand : (3a-4b)^{3} .
Answer» RONG>GIVEN Equation= ${(3a-4b)}^{3}$ To Find Expand the given equation Solution => ${(3a-4b)}^{3}$ =>(3a-4b)(3a-4b)(3a-4b) =>9a²+16b²-12ab-12ab(3a-4b) =>9a²+16b²-24ab(3a-4b) =>27a³+48ab²-72a²b-36a²b-64b³+96ab² =>27a³+144ab²-104a²b-64b³ Hope it HELPS you...

11.

Expand : (3a-4b)^{3} .

Answer» RONG>GIVEN

Equation= ${(3a-4b)}^{3}$

To Find

Expand the given equation

Solution

=> ${(3a-4b)}^{3}$

=>(3a-4b)(3a-4b)(3a-4b)

=>9a²+16b²-12ab-12ab(3a-4b)

=>9a²+16b²-24ab(3a-4b)

=>27a³+48ab²-72a²b-36a²b-64b³+96ab²

=>27a³+144ab²-104a²b-64b³

Hope it HELPS you...

Discussion

12.	Answer fast...........
Answer» ONG>Answer: C) NESTED loop PLEASE follow me GUYS and mark me as Brainliest and please support me

12.

Answer fast...........

Answer» ONG>Answer:

C) NESTED loop

PLEASE follow me GUYS and mark me as Brainliest and please support me

Discussion

13.	And Amit answered of the questions correctly. How many questions did heanswer correctly?9. Sia is making 14 banners for a schoolmeeting. Each banners requires 2 m ofcloth. How much cloth does she need forall the banners?8. In an examination there were 80 questionsthese are two questionstell me what is the right answer who will give me the right answer I give them a brain list and hurt
Answer» ONG>Step-by-step EXPLANATION: hope it may HELP you and also help me by marking my answer as the brainiest answer and don't FORGET to thank the answer...

Discussion

14.	How to find hight in trapezium. Give one example. first ans as brilliant ans
Answer» ong>Answer: Write A=H(B1+b2)/2, where A REPRESENTS the trapezoid's AREA, b1 represents one of the base lengths, b2 represents the other base length and h represents the height. Rearrange the equation to get h alone. Multiply both sides of the equation by 2 to get. 2A=h(b1+b2).

14.

How to find hight in trapezium. Give one example. first ans as brilliant ans

Answer»

ong>Answer:

Write A=H(B1+b2)/2, where A REPRESENTS the trapezoid's AREA, b1 represents one of the base lengths, b2 represents the other base length and h represents the height. Rearrange the equation to get h alone. Multiply both sides of the equation by 2 to get. 2A=h(b1+b2).

Discussion

15.	Separate the rationals and irrationals from among the following numbers:-8
Answer» ONG>Answer: there is only 1 FOLLOWING dear where are REMAINING

Discussion

16.	Find the square root of 3164 by long
Answer» Step by step simplification process to get SQUARE roots radical form: FIRST we will find all factors under the square root: 3164 has the square factor of 4. Let's check this width √4791=√3164. As you can see the radicals are not in their simplest form. Now EXTRACT and TAKE out the square root √4 √791. Root of √4=2 which results into 2√791 All radicals are now SIMPLIFIED. The radicand no longer has any square factors. please mark my answer as brainliest

16.

Find the square root of 3164 by long

Answer»

Step by step simplification process to get SQUARE roots radical form:

FIRST we will find all factors under the square root: 3164 has the square factor of 4.

Let's check this width √4*791=√3164. As you can see the radicals are not in their simplest form.

Now EXTRACT and TAKE out the square root √4 * √791. Root of √4=2 which results into 2√791

All radicals are now SIMPLIFIED. The radicand no longer has any square factors.

please mark my answer as brainliest

Discussion

17.	If r(X) =x²-10 +40 then find R (1)+R(0)
Answer» ong>Step-by-step explanation: R(1)= 1-10+40=31 R(0)=-10+40=30

17.

If r(X) =x²-10 +40 then find R (1)+R(0)

Answer»

ong>Step-by-step explanation:

R(1)= 1-10+40=31

R(0)=-10+40=30

Discussion

18.	रैक्टेंगुलर वुडन पिक्चर फिल्म इज 1.08 मीटर वाइड एंड 2 पॉइंट 603 मीटर लोंग व्हाट इज द स्मालेस्ट लेंथ ऑफ 1 मीटर इक्वल टू मेक दिस ट्रेन
Answer» banao mere SATH chat with the milk the spell of speaking with the milk the milk on a thanks ☺️ not clear on the spell check the ATTACHMENT ek B unit er viva LA the rue du Chateau Elan y EL QUE se every day for me and my family's home you told us

18.

रैक्टेंगुलर वुडन पिक्चर फिल्म इज 1.08 मीटर वाइड एंड 2 पॉइंट 603 मीटर लोंग व्हाट इज द स्मालेस्ट लेंथ ऑफ 1 मीटर इक्वल टू मेक दिस ट्रेन

Answer»

banao mere SATH chat with the milk the spell of speaking with the milk the milk on a thanks ☺️ not clear on the spell check the ATTACHMENT ek

B unit er viva LA the rue du Chateau Elan y EL QUE se every day for me and my family's home you told us

Discussion

19.	if the digit in one's place of a number is 2 , then the last digit of its cube will be 6( true/false)
Answer» ong>Answer: FALSE Step-by-step explanation: the LAST DIGIT of cube is 8 example cube of 32

19.

if the digit in one's place of a number is 2 , then the last digit of its cube will be 6( true/false)

Answer»

ong>Answer:

FALSE

Step-by-step explanation:

the LAST DIGIT of cube is 8

example cube of 32

Discussion

20.	(c) Find the square root of 207936 by long division method.
Answer» ong>HOPE this HELPS you please MARK this answer as the BRAINLIEST answer...

20.

(c) Find the square root of 207936 by long division method.

Answer»

ong>HOPE this HELPS you please MARK this answer as the BRAINLIEST answer...

Discussion

21.	Evaluate [7°+25°+(-2/11)°]×[(-3)²]¹⁰
Answer» ONG>Step-by-step EXPLANATION: nznssusgsggacavaayquagagavaaa❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️

Discussion

22.	Rewrite (-5/7)-¹⁵withpositive exponent
Answer» ong>Answer: refer to the IMAGE for solution hope it will help if you are in class 8 CBSE then you can visit to my channel MATHS MADE EASY MME for class maths where you will get free NOTES and free worksheets after each video in the description box subscribe to my channel MATHS MADE EASY MME because we will be starting with exponents and powers TOMORROW so subscribe to get notified like share and subscribe to get notified I guarantee you that you will not have any problem with maths after watching the VIDEOS thanks

22.

Rewrite (-5/7)-¹⁵withpositive exponent

Answer»

ong>Answer:

refer to the IMAGE for solution hope it will help

if you are in class 8 CBSE then you can visit to my channel MATHS MADE EASY MME for class maths where you will get free NOTES and free worksheets after each video in the description box

subscribe to my channel MATHS MADE EASY MME because we will be starting with exponents and powers TOMORROW so subscribe to get notified

like share and subscribe to get notified

I guarantee you that you will not have any problem with maths after watching the VIDEOS

thanks

Discussion

23.	Construct a triangle with given measurment in triangle PQR,l(PQ) =6cm,l(QR)=3•8 cm ,l(PR)=4•5
Answer» ONG>Answer: go through the above ATTACHMENT, u will get your answer... HOPE this is useful

23.

Construct a triangle with given measurment in triangle PQR,l(PQ) =6cm,l(QR)=3•8 cm ,l(PR)=4•5

Answer» ONG>Answer:

go through the above ATTACHMENT, u will get your answer...

HOPE this is useful

Discussion

24.	The students of class 8th were supposed to be arranged in rows to form a perfect square. After doing so, the teacher found that 86 students were left out. If the total number of students be 4311, find how many more students are required to complete the square formation.
Answer» more students are REQUIRED the complete the square if you are INTERESTED in my ANSWER plz give me like and ALSO follow me then I followed you

24.

The students of class 8th were supposed to be arranged in rows to form a perfect square. After doing so, the teacher found that 86 students were left out. If the total number of students be 4311, find how many more students are required to complete the square formation.

Answer»

more students are REQUIRED the complete the square

if you are INTERESTED in my ANSWER plz give me like and ALSO follow me then I followed you

Discussion

25.	Represent the following on number line.please answer fast
Answer» ONG>Step-by-step EXPLANATION: this is the BEST ANSWER

25.

Represent the following on number line.please answer fast

Answer» ONG>Step-by-step EXPLANATION:

this is the BEST ANSWER

Discussion

26.	Question number 8 ka heading hai find the angles a and b in each figureplease question number 8 9 and 10 ka answer batao nI will make your answer as brain list please help me
Answer» this HELP you. MARK me BRAIN....

26.

Question number 8 ka heading hai find the angles a and b in each figureplease question number 8 9 and 10 ka answer batao nI will make your answer as brain list please help me

Answer»

this HELP you.

MARK me BRAIN....

Discussion

27.	7. Ria took out a few glasses and poured juice from the pitcher. The capacity of each glass3of a litre. If there was enough juice10for 6 glasses, how much juice was there inthe pitcher?tell me what is the right answer who will give me the right answer I give them a brain list and hurt
Answer» ONG>Answer: 27 byy idea the answer of this QUESTION is

Discussion

28.	Practice Set 221. Carry out the following additions of rational numbers.
Answer» ong>ANSWER: additions of RATIONAL number is ROOT 5 .

28.

Practice Set 221. Carry out the following additions of rational numbers.

Answer»

ong>ANSWER:

additions of RATIONAL number is ROOT 5 .

Discussion

29.	A_____made up of only line segment is called a polygon
Answer» this is your answer A SIMPLE closed CURVE MADE up of LINE segments is a polygon

29.

A_____made up of only line segment is called a polygon

Answer»

this is your answer

A SIMPLE closed CURVE MADE up of LINE segments is a polygon

Discussion

30.	the taxi fare in a city is as folllows. for the first kilometre the fare is rs 8 and for the subsequent distaance it is rs 5 per km. taking distance covered as x km n total fare as rs y. write a linear equation for this info
Answer» ong>Answer: *PLZZZ* *MARK* ME AS *BRAINLIEST* *PLZZZ* *FOLLOW* ME

30.

the taxi fare in a city is as folllows. for the first kilometre the fare is rs 8 and for the subsequent distaance it is rs 5 per km. taking distance covered as x km n total fare as rs y. write a linear equation for this info

Answer»

ong>Answer:

PLZZZ MARK ME AS BRAINLIEST

PLZZZ FOLLOW ME

Discussion

31.	5x2-6x+9by 2x-3 3x2=6
Answer» ONG>ANSWER: 452 is the CURRET answer

31.

5x2-6x+9by 2x-3 3x2=6

Answer» ONG>ANSWER:

452 is the CURRET answer

Discussion

32.	Solve x-10=15 by Trial and error method..
Answer» ONG>Step-by-step EXPLANATION: PUT x=25 x-10=15 25-10=15

32.

Solve x-10=15 by Trial and error method..

Answer» ONG>Step-by-step EXPLANATION:

PUT x=25

x-10=15

25-10=15

Discussion

33.	Factorize : 8x^{2}+26x+15
Answer» ong>Answer: Hi hope it helps STEP-by-step explanation: STEP 1 : Equation at the end of step 1 ((0 - 23x2) - 26x) - 15 STEP 2 : STEP 3 : Pulling out LIKE terms 3.1 Pull out like FACTORS : -8x2 - 26x - 15 = -1 • (8x2 + 26x + 15)

33.

Factorize : 8x^{2}+26x+15

Answer»

ong>Answer:

Hi hope it helps

STEP-by-step explanation:

STEP

1

:

Equation at the end of step 1

((0 - 23x2) - 26x) - 15

STEP

2

:

STEP

3

:

Pulling out LIKE terms

3.1 Pull out like FACTORS :

-8x2 - 26x - 15 = -1 • (8x2 + 26x + 15)

Discussion

34.	Which of the following is true? a) (25 + 4) × 10 = 25 + (4 × 10) b) (34 - 11) - 8 = 34 - (11 - 8) c) (75 ÷ 15) ÷ 3 = 75 ÷ (15 ÷ 3) d) none of the above
Answer» ong>ANSWER: none of the above are CORRECT Step-by-step EXPLANATION: hope it HELPS you

34.

Which of the following is true? a) (25 + 4) × 10 = 25 + (4 × 10) b) (34 - 11) - 8 = 34 - (11 - 8) c) (75 ÷ 15) ÷ 3 = 75 ÷ (15 ÷ 3) d) none of the above

Answer»

ong>ANSWER:

none of the above are CORRECT

Step-by-step EXPLANATION:

hope it HELPS you

Discussion

35.	Find the value of 3 square root -8 × 3 square root - 64
Answer» CH it on GOOGLE HOPE it will HELP

35.

Find the value of 3 square root -8 × 3 square root - 64

Answer» CH it on GOOGLE

HOPE it will HELP

Discussion

36.	Find cube root of 614
Answer» ONG>Step-by-step explanation: 8.4994232596 is the answer give THANKS QND FOLLOW

36.

Find cube root of 614

Answer» ONG>Step-by-step explanation:

8.4994232596 is the answer

give THANKS QND FOLLOW

Discussion

37.	In the given figure, If line \| \|\| line m \|\| line n, then find CAB Hey friends this is the question and it's diagram kindly give a correct answer SPAM ANSWERS WILL BE REPORTED PL GIVE A CORRECT ANSWER
Answer» ONG>Answer: CAB = 100° Step-by-step explanation: Extend DC to Point X So, PQC + XCQ = 180° 110° + XCQ = 180° XCQ = 180° - 110° XCQ = 70° Now, CAB = ACX (Alternate interior angles) CAB = QCA + XCQ Substituting the VALUES CAB = 30° + 70° CAB = 100° Please MARK me the Brainliest Please

37.

In the given figure, If line | || line m || line n, then find CAB Hey friends this is the question and it's diagram kindly give a correct answer SPAM ANSWERS WILL BE REPORTED PL GIVE A CORRECT ANSWER

Answer» ONG>Answer:

CAB = 100°

Step-by-step explanation:

Extend DC to Point X

So,

PQC + XCQ = 180°

110° + XCQ = 180°

XCQ = 180° - 110°

XCQ = 70°

Now,

CAB = ACX (Alternate interior angles)

CAB = QCA + XCQ

Substituting the VALUES

CAB = 30° + 70°

CAB = 100°

Please MARK me the Brainliest

Please

Discussion

38.	2x+ 4 =8pls help me
Answer» ong>Answer: 2 Step-by-step explanation: 2x+4=8 2x=8-4 2x=4 x=4÷2 x=2 If my answer is helpful please FOLLOW me and MARK me as BRAINLEAST answer

38.

2x+ 4 =8pls help me

Answer»

ong>Answer:

2

Step-by-step explanation:

2x+4=8

2x=8-4

2x=4

x=4÷2

x=2

If my answer is helpful please FOLLOW me and MARK me as BRAINLEAST answer

Discussion

39.	Please read the attachment and answer the question. I will mark the brainlist who will give the answer in 30 seconds.
Answer» ONG>Answer: 1. FACES -6 , Edges- 12, Vertices-8 2. Faces-6 , Edges -12 , Vertices -8 Thanks plz mark me as BRAIN LIST .

39.

Please read the attachment and answer the question. I will mark the brainlist who will give the answer in 30 seconds.

Answer» ONG>Answer:

1. FACES -6 , Edges- 12, Vertices-8

2. Faces-6 , Edges -12 , Vertices -8

Thanks

plz mark me as BRAIN LIST .

Discussion

40.	Resolve the following into factors: 3a^2+12a+12
Answer» ong>Step-by-step explanation: I HOPE it HELP you THANK you

40.

Resolve the following into factors: 3a^2+12a+12

Answer»

ong>Step-by-step explanation:

I HOPE it HELP you THANK you

Discussion

41.	What should be divided by 6 to get - 18 ?
Answer» ONG>Answer: LET the required no. be x . a/q, x/6= -18 x= -18×6 = -108 hence , the no. is -108.....

41.

What should be divided by 6 to get - 18 ?

Answer» ONG>Answer:

LET the required no. be x .

a/q,

x/6= -18

x= -18×6 = -108

hence , the no. is -108.....

Discussion

42.	(iii)x2+y2এর মান লিখি যখন (x+y)=9 এবং (x-y)= 52xy
Answer» ong>ANSWER: TUMI KI bolcho bujhte parchinaaa question ta bujhte parchina

42.

(iii)x2+y2এর মান লিখি যখন (x+y)=9 এবং (x-y)= 52xy

Answer»

ong>ANSWER:

TUMI KI bolcho bujhte parchinaaa

question ta bujhte parchina

Discussion

43.	What is the LCD between these fractions?4/9 and 2/3
Answer» ong>Answer: khctxdfkdkydluf!gskgxlhsykflhskd Step-by-step explanation: lhxh!d!gdh?sdh?!gh?dhld?j?nf?jc!hdn?fh?f?jf?jfjllhd?hdlufhlf!HFH!fn!chlcj?FJ?fj f jfn?ncljfm?f?mfm?fm?fj?fj?f?jfjF?jfJfj?g jgj?gj?GM?vj?f?jv jvh?fj?fj?vj?fj?fi i g

43.

What is the LCD between these fractions?4/9 and 2/3

Answer»

ong>Answer:

khctxdfkdkydluf!gskgxlhsykflhskd

Step-by-step explanation:

lhxh!d!gdh?sdh?!gh?dhld?j?nf?jc!hdn?fh?f?jf?jfjllhd?hdlufhlf!HFH!fn!chlcj?FJ?fj

f

jfn?ncljfm?f?mfm?fm?fj?fj?f?jfjF?jfJfj?g

jgj?gj?GM?vj?f?jv

jvh?fj?fj?vj?fj?fi

i

g

Discussion

44.	BC llEF find angle EAB
Answer» ER: Step-by-step explanation: 60°

44.

BC llEF find angle EAB

Answer» ER:

Step-by-step explanation:

60°

Discussion

45.	A jokers cap in the form of a right circular cone of base radius 7cm and height 27cm find the area of the sheet required to make 10 such cones
Answer» align="absmiddle" alt="\underline{\underline{\green{\textbf{Step - By - Step - Explanation : -}}}}" class="latex-formula" ID="TexFormula1" src="https://tex.z-dn.net/?f=%5Cunderline%7B%5Cunderline%7B%5Cgreen%7B%5Ctextbf%7BStep%20-%20By%20-%20Step%20-%20Explanation%20%3A%20-%7D%7D%7D%7D" title="\underline{\underline{\green{\textbf{Step - By - Step - Explanation : -}}}}"> To Find : we need to find the area of sheet required to make 10 cones Solution : Radius of BASE = 7cm Height = 27cm $\boxed{\underline{\red{\bf{Slant\: height= \sqrt{r^{2}+h^{2}}}}}}$ Slant height = √7² + 27² l = √49 + 729 l = √778 l = 27 $\boxed{\underline{\red{\bf{Curved\: <klux>SURFACE</klux>\:Area\:of\:<klux>CONE</klux>=\pi{rl}}}}}$ CSA Of 1 cone : ⠀⠀⠀⠀⠀⇛CSA = π × 7 × 27 ⠀⠀⠀⠀⠀⇛CSA = 22/7 × 7 × 27 ⠀⠀⠀⠀⠀⇛CSA = 594 cm² Curved surface area of ONE cone is 594cm² Curved surface area of 10 cones ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀ = 10 × 594 ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀= 5940 cm² ━━━━━━━━━━━━━━━━━━━━━━━━━

45.

A jokers cap in the form of a right circular cone of base radius 7cm and height 27cm find the area of the sheet required to make 10 such cones

Answer»

align="absmiddle" alt="\underline{\underline{\green{\textbf{Step - By - Step - Explanation : -}}}}" class="latex-formula" ID="TexFormula1" src="https://tex.z-dn.net/?f=%5Cunderline%7B%5Cunderline%7B%5Cgreen%7B%5Ctextbf%7BStep%20-%20By%20-%20Step%20-%20Explanation%20%3A%20-%7D%7D%7D%7D" title="\underline{\underline{\green{\textbf{Step - By - Step - Explanation : -}}}}">

To Find :

we need to find the area of sheet required to make 10 cones

Solution :

Radius of BASE = 7cm

Height = 27cm

$\boxed{\underline{\red{\bf{Slant\: height= \sqrt{r^{2}+h^{2}}}}}}$

Slant height = √7² + 27²

l = √49 + 729

l = √778

l = 27

$\boxed{\underline{\red{\bf{Curved\: <klux>SURFACE</klux>\:Area\:of\:<klux>CONE</klux>=\pi{rl}}}}}$

CSA Of 1 cone :

⠀⠀⠀⠀⠀⇛CSA = π × 7 × 27

⠀⠀⠀⠀⠀⇛CSA = 22/7 × 7 × 27

⠀⠀⠀⠀⠀⇛CSA = 594 cm²

Curved surface area of ONE cone is 594cm²

Curved surface area of 10 cones

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀ = 10 × 594

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀= 5940 cm²

━━━━━━━━━━━━━━━━━━━━━━━━━

Discussion

46.	Classify the rational and irrational numbers frkm the following :5
Answer» ONG>Answer: 5 is a RATIONAL number. it can be WRITTEN in the form of p/q. 5/1. Step-by-step explanation: HOPE it helps you. purple you army.

46.

Classify the rational and irrational numbers frkm the following :5

Answer» ONG>Answer:

5 is a RATIONAL number.

it can be WRITTEN in the form of p/q.

5/1.

Step-by-step explanation:

HOPE it helps you.

purple you army.

Discussion

47.	A sum of 2500 become 3025 in 2 years, what was rate of compound interest anually.
Answer» ER: Step-by-step explanation: 115

47.

A sum of 2500 become 3025 in 2 years, what was rate of compound interest anually.

Answer» ER:

Step-by-step explanation:

115

Discussion

48.	Solve do not spam! Thank you!
Answer» ONG>Answer: I HOPE it is HELPFUL. Be happy Keep smiling Enjoy your LIFE

48.

Solve do not spam! Thank you!

Answer» ONG>Answer:

I HOPE it is HELPFUL.

Be happy

Keep smiling

Enjoy your LIFE

Discussion

49.	6. Sameer has 50 toffees. He gave of the toffees to his brother Ram. Ram gave ofthe toffees to their sister Ruchi. How manytoffees does each of them now?tell me what is the right answer who will give me the right answer I give them a brain list and hurt
Answer» ong>Answer: Total no. of toffees SAMEER = 50 No. of toffees RAM has = 50×3/5 = $= > \frac{50}{1} \times \frac{3}{5} \\ = > 10 \times 3 \\ = 30$ No. of toffees Ruchi has = 30 × ⅓ = $= > \frac{30}{1} \times \frac{1}{3} \\ = > 10 \times 1 \\ = 10$ No. of toffees Sameer have= 20 No. of toffees Ram have = 20 No. of toffees Ruchi have = 10

49.

6. Sameer has 50 toffees. He gave of the toffees to his brother Ram. Ram gave ofthe toffees to their sister Ruchi. How manytoffees does each of them now?tell me what is the right answer who will give me the right answer I give them a brain list and hurt

Answer»

ong>Answer:

Total no. of toffees SAMEER = 50

No. of toffees RAM has = 50×3/5 =

$= > \frac{50}{1} \times \frac{3}{5} \\ = > 10 \times 3 \\ = 30$

No. of toffees Ruchi has = 30 × ⅓ =

$= > \frac{30}{1} \times \frac{1}{3} \\ = > 10 \times 1 \\ = 10$

No. of toffees Sameer have= 20

No. of toffees Ram have = 20

No. of toffees Ruchi have = 10

Discussion

50.	Rationalising factor of 2root3-root5
Answer» ONG>Step-by-step EXPLANATION: MULTIPLY by 2root3+root5

Discussion

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Solve do not spam! Thank you!

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Rewrite (-5/7)-¹⁵withpositive exponent

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Practice Set 221. Carry out the following additions of rational numbers.

A_____made up of only line segment is called a polygon

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Factorize : 8x^{2}+26x+15

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Rationalising factor of 2root3-root5