332354 + Interview Questions in Secondary School in Math

1.	Find the lest no which when divided by 12 , 16 24, and 36 leaves the remainder 7 in each case
Answer» ANSWER: atu56owo66kek6ekuek6e6krurkyaktuduuelr

1.

Find the lest no which when divided by 12 , 16 24, and 36 leaves the remainder 7 in each case

Answer»

ANSWER:

atu56owo66kek6ekuek6e6krurkyaktuduuelr

Discussion

2.	Arrange in ascending order 3√4, 4√6, 6√17
Answer» Answer: 6 ROAD 17 is smaller than 4 ROOT 6 is smaller than 3 root 4

2.

Arrange in ascending order 3√4, 4√6, 6√17

Answer»

Answer:

6 ROAD 17 is smaller than 4 ROOT 6 is smaller than 3 root 4

Discussion

3.	The supplementary angles are in the ratio 4:5 find the smaller angle.
Answer» Answer: Step-by-step explanation: TWO ANGLES which are SUPPLEMENTARY have their sum as 180° Here the two supplementary angles are in the ratio 4:5 Let the common ratio of angles be x So the angles are 4x and 5x 4x + 5x = 180 9x =180 x = 20 So the smaller supplementary angle is 4x =4 × 20 =180° Hope it is UNDERSTOOD

3.

The supplementary angles are in the ratio 4:5 find the smaller angle.

Answer»

Answer:

Step-by-step explanation:

TWO ANGLES which are SUPPLEMENTARY have their sum as 180°

Here the two supplementary angles are in the ratio 4:5

Let the common ratio of angles be x

So the angles are 4x and 5x

4x + 5x = 180

9x =180

x = 20

So the smaller supplementary angle is 4x

=4 × 20

=180°

Hope it is UNDERSTOOD

Discussion

4.	I am negative rational numberIf you add an half of the wholeI will be reduced to -1/6Find me
Answer» ANSWER: = -2/3 Step-by-step EXPLANATION: X+½=-1/6 x=-(1/2)-(1/6) x=(-3-1)/6 x=-4/6 x=⅓-2/3

4.

I am negative rational numberIf you add an half of the wholeI will be reduced to -1/6Find me

Answer»

ANSWER:

= -2/3

Step-by-step EXPLANATION:

X+½=-1/6

x=-(1/2)-(1/6)

x=(-3-1)/6

x=-4/6

x=⅓-2/3

Discussion

5.	4 men can do a work in 5 days and 6 women can do.The same work.In 4 days. If 5 men and 6 women work together they will complete the work in
Answer» ANSWER: they can COMPLETE the WORK in ONE DAY

5.

4 men can do a work in 5 days and 6 women can do.The same work.In 4 days. If 5 men and 6 women work together they will complete the work in

Answer»

ANSWER:

they can COMPLETE the WORK in ONE DAY

Discussion

6.	Answer in proper steps
Answer» Answer: sin a - 3cos a=0 sin a= 3 COS a cos a=sin a/3 sec a=3 /sin a or sec a= 3cosec a Step-by-step explanation: HOPE it HELPS you mark brainliest

6.

Answer in proper steps

Answer»

Answer:

sin a - 3cos a=0

sin a= 3 COS a

cos a=sin a/3

sec a=3 /sin a

or

sec a= 3cosec a

Step-by-step explanation:

HOPE it HELPS you

mark brainliest

Discussion

7.	Find the age of 7 members of your family with their relation with you.write them in ruman numerals
Answer» Answer: V, XII, XLV, XX, XIV, XXVI, LI Step-by-step explanation: my first member is 5 years old i.e (V) MY YOUNGER SISTER second member is 12 years old i.e (XII) ME third member is 45 years old i.e (XLV) MY MOM fourth member is 20 years old i.e (XX) MY COUSIN BROTHER fifth member is 14 years old i.e (XIV) MY ELDER SISTER sixth member is 26 years old i.e (XXVI)MY COUSIN SISTER seventh member is 51 years old i.e (LI) MY DAD

7.

Find the age of 7 members of your family with their relation with you.write them in ruman numerals

Answer»

Answer:

V, XII, XLV, XX, XIV, XXVI, LI

Step-by-step explanation:

my first member is 5 years old i.e (V) MY YOUNGER SISTER

second member is 12 years old i.e (XII) ME

third member is 45 years old i.e (XLV) MY MOM

fourth member is 20 years old i.e (XX) MY COUSIN BROTHER

fifth member is 14 years old i.e (XIV) MY ELDER SISTER

sixth member is 26 years old i.e (XXVI)MY COUSIN SISTER

seventh member is 51 years old i.e (LI) MY DAD

Discussion

8.	Convert into minutes. 6 HR 46min
Answer» Answer: CONVERTING 6 hrs and 46 into minutes = 6× 60 + 46 = 360+ 46 = 406 min Step-by-step explanation: HOPE THIS HELPS YOU FOLLOW ME

8.

Convert into minutes. 6 HR 46min

Answer»

Answer:

CONVERTING 6 hrs and 46 into minutes

= 6× 60 + 46

= 360+ 46

= 406 min

Step-by-step explanation:

HOPE THIS HELPS YOU

FOLLOW ME

Discussion

9.	Answer this 6 qqqqqquuueeesstttiiooonnn
Answer» Answer: Step-by-step explanation: HOPE it helps PLEASE MAKE it brainliest and FOLLOW me for answers:)

9.

Answer this 6 qqqqqquuueeesstttiiooonnn

Answer»

Answer:

Step-by-step explanation:

HOPE it helps

PLEASE MAKE it brainliest

and FOLLOW me for answers:)

Discussion

10.	Convert into minutes. 6hr 46min
Answer» ANSWER: 406 MINUTES is the answer yàrrrr...

10.

Convert into minutes. 6hr 46min

Answer»

ANSWER:

406 MINUTES is the answer yàrrrr...

Discussion

11.	Form a quadratic equation whose roots are the numbers inand –1/10-√72 “and1/10+√72
Answer» Step-by-step EXPLANATION: roots of quadratic equation: 1/10-√72 1/10+√72 sum of roots =1/10-√72 +1/10+√72 =2/10 =1/5 product of roots=(1/10-√72) (1/10+√72) =(1/10)² - (√72)² =(1/100)-72 =(1-7200)/100 =-7199/100 required quadratic EQUATIONS: K[x²-(sum)x+product]=0 k[x²-(1/5)x-7199/100]=0

11.

Form a quadratic equation whose roots are the numbers inand –1/10-√72 “and1/10+√72

Answer»

Step-by-step EXPLANATION:

roots of quadratic equation:

1/10-√72

1/10+√72

sum of roots =1/10-√72 +1/10+√72

=2/10

=1/5

product of roots=(1/10-√72)

(1/10+√72)

=(1/10)² - (√72)²

=(1/100)-72

=(1-7200)/100

=-7199/100

required quadratic EQUATIONS:

K[x²-(sum)x+product]=0

k[x²-(1/5)x-7199/100]=0

Discussion

12.	Find where 0 (zero) is a term of the A.P. 40, 37, 34, 31, ..... .
Answer» Answer: 0 is not the term of the given AP. Step-by-step explanation: Given : A.P. 40, 37, 34, 31, ..... . Then , First term , a = 40, common Difference, d = 37 - 40 = -3 Let, nth term, 'an' of an A.P is 0 By using the formula , nth term ,an = a + (N -1)d a + (n -1) d = 0 40 + (n -1) (-3) = 0 -3n = - 43 n = 43/3 Number of TERMS , n can't be a fraction. Hence, 0 is not the term of the given AP. HOPE THIS ANSWER WILL HELP YOU...

12.

Find where 0 (zero) is a term of the A.P. 40, 37, 34, 31, ..... .

Answer»

Answer:

0 is not the term of the given AP.

Step-by-step explanation:

Given :

A.P. 40, 37, 34, 31, ..... .

Then ,

First term , a = 40, common Difference, d = 37 - 40 = -3

Let, nth term, 'an' of an A.P is 0

By using the formula , nth term ,an = a + (N -1)d

a + (n -1) d = 0

40 + (n -1) (-3) = 0

-3n = - 43

n = 43/3

Number of TERMS , n can't be a fraction.

Hence, 0 is not the term of the given AP.

HOPE THIS ANSWER WILL HELP YOU...

Discussion

13.	Please please tell the answer
Answer» Step-by-step explanation: (a+b)³=a³+3ab+3ab²+b³ Step-by-step explanation: LHS=(a+b)^{3} =(a+b)(a+b)^{2} =(a+b)(a^{2}+2ab+b^{2}) /* By algebraic IDENTITY: \boxed {(x+y)^{2}=x^{2}+2xy+y^{2}}*/ =a(a^{2}+2ab+b^{2})+b(a^{2}+2ab+b^{2}) = a^{3}+2a^{2}b+AB^{2}+a^{2}b+2ab^{2}+b^{3} =a^{3}+(2+1)a^{2}b+(1+2)ab^{2}+b^{3} = a^{3}+3A^{2}b+3ab^{2}+b^{3} =$RHS$ Therefore, (a+b)³=a³+3ab+3ab²+b³ thank you plz mark as brainliest

13.

Please please tell the answer

Answer»

Step-by-step explanation:

(a+b)³=a³+3ab+3ab²+b³

Step-by-step explanation:

LHS=(a+b)^{3}

=(a+b)(a+b)^{2}

=(a+b)(a^{2}+2ab+b^{2})

/* By algebraic IDENTITY:

\boxed {(x+y)^{2}=x^{2}+2xy+y^{2}}*/

=a(a^{2}+2ab+b^{2})+b(a^{2}+2ab+b^{2})

= a^{3}+2a^{2}b+AB^{2}+a^{2}b+2ab^{2}+b^{3}

=a^{3}+(2+1)a^{2}b+(1+2)ab^{2}+b^{3}

= a^{3}+3A^{2}b+3ab^{2}+b^{3}

=$RHS$

Therefore,

(a+b)³=a³+3ab+3ab²+b³

thank you

plz mark as brainliest

Discussion

14.	Where will you find all the points (a,b) such that (i) a>0 and b0
Answer» ANSWER: Step-by-step EXPLANATION: BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST

14.

Where will you find all the points (a,b) such that (i) a>0 and b0

Answer»

ANSWER:

Step-by-step EXPLANATION:

BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST

Discussion

15.	Express 2.36bar+0.36bar as a fraction
Answer» ANSWER: $2.36bar \: = 2.3636 \\ 100x = 2.3636 \\ 100x - x = 234 \\ 99x = 234 \\ x = \frac{234}{99} = \frac{78}{33} = \frac{26}{11} \\ \\ 0.36bar = 0.3636 \\ 100x = 36.3636 \\ 100x - x = 36 \\ 99x = 36 \\ x = \frac{36}{99} = \frac{4}{11} \\ \frac{26}{11} + \frac{4}{11} = \frac{26 + 4}{11} = \frac{30}{11}$

15.

Express 2.36bar+0.36bar as a fraction

Answer»

ANSWER:

$2.36bar \: = 2.3636 \\ 100x = 2.3636 \\ 100x - x = 234 \\ 99x = 234 \\ x = \frac{234}{99} = \frac{78}{33} = \frac{26}{11} \\ \\ 0.36bar = 0.3636 \\ 100x = 36.3636 \\ 100x - x = 36 \\ 99x = 36 \\ x = \frac{36}{99} = \frac{4}{11} \\ \frac{26}{11} + \frac{4}{11} = \frac{26 + 4}{11} = \frac{30}{11}$

Discussion

16.	4hr23min. convert the following into minutes
Answer» Step-by-step explanation: 1hr=60mins. 4hr=60×4hrs+23mins. 4hr=240+23 =263mins. Hope it HELPS you PLZZZ MARK as brainliest...

16.

4hr23min. convert the following into minutes

Answer»

Step-by-step explanation:

1hr=60mins.

4hr=60×4hrs+23mins.

4hr=240+23 =263mins.

Hope it HELPS you PLZZZ MARK as brainliest...

Discussion

17.	Plz answrr 3rd n 4th que... If uh can on notebook n uh can send.. if uh can do.. ❤❤Plz solve n help..
Answer» OK then gimme a MIN and my ANS is 20 LONG

17.

Plz answrr 3rd n 4th que... If uh can on notebook n uh can send.. if uh can do.. ❤❤Plz solve n help..

Answer»

OK then gimme a MIN

and my ANS is 20 LONG

Discussion

18.	43% of a number is 559 what is 32% of that number.?
Answer» LET number=Y 43/100×Y=559 Y=559×100/43 32% of Y=32/100×559×100/43 =416

18.

43% of a number is 559 what is 32% of that number.?

Answer»

LET number=Y

43/100×Y=559

Y=559×100/43

32% of Y=32/100×559×100/43

=416

Discussion

19.	Round of the number 23,81,569 to the nearest ten, hundred,lakhplease send photo step by step
Answer» Answer: 20 , 80, 570 are the round of these NUMBERS on the basis of 5 digit

19.

Round of the number 23,81,569 to the nearest ten, hundred,lakhplease send photo step by step

Answer»

Answer:

20 , 80, 570 are the round of these NUMBERS on the basis of 5 digit

Discussion

20.	The mean of the following distributionis 53. The frequency f m the classinterval 19-21 is missing Determine fCI _f11-13 _313-15 _615-17 _917-19 _1319-21_ f21-23_ 523-25 _4
Answer» ANSWER: w5172t3068wy9ya0tssgdovsh9t8q82rp2py93t958t6yjcyduduruoudjgchhdb hufpj5 Hhwjj hot♨♨♨ LUKE GILL

20.

The mean of the following distributionis 53. The frequency f m the classinterval 19-21 is missing Determine fCI _f11-13 _313-15 _615-17 _917-19 _1319-21_ f21-23_ 523-25 _4

Answer»

ANSWER:

w5172t3068wy9ya0tssgdovsh9t8q82rp2py93t958t6yjcyduduruoudjgchhdb hufpj5 Hhwjj hot♨♨♨ LUKE GILL

Discussion

21.	6.Find HCF by long division method:(a) 812,798,826(b) 322,345,368give me answer
Answer» ANSWER: Step-by-step EXPLANATION:

21.

6.Find HCF by long division method:(a) 812,798,826(b) 322,345,368give me answer

Answer»

ANSWER:

Step-by-step EXPLANATION:

Discussion

22.	(ii) एक नाव 10 घंटे में ऊर्ध्वप्रवाह (upstream) में 30 किमी तथा अनुप्रवाह (downstream) मेंकमा जाती है। वह 13 घंटे में 40 किमी ऊर्ध्वप्रवाह में तथा 55 किमी अनप्रवाह में जासकती है। शांत जल में नाव तथा धारा की चाल ज्ञात कीजिए।यो यतिशों के
Answer» PLEASE MARK as BRAINLIEST

22.

(ii) एक नाव 10 घंटे में ऊर्ध्वप्रवाह (upstream) में 30 किमी तथा अनुप्रवाह (downstream) मेंकमा जाती है। वह 13 घंटे में 40 किमी ऊर्ध्वप्रवाह में तथा 55 किमी अनप्रवाह में जासकती है। शांत जल में नाव तथा धारा की चाल ज्ञात कीजिए।यो यतिशों के

Answer»

PLEASE MARK as BRAINLIEST

Discussion

23.	Give two example of two irrational number whose difference is rational number
Answer» ANSWER: Step-by-step EXPLANATION: BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST

23.

Give two example of two irrational number whose difference is rational number

Answer»

ANSWER:

Step-by-step EXPLANATION:

BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST

Discussion

24.	The area of square field is 8182 square meters. Find the length of its side
Answer» Answer: 90 Step-by-step EXPLANATION: AREA of square=LENGTHlength let length is TAKEN as X XX=8182 X^2=8182 X=90

24.

The area of square field is 8182 square meters. Find the length of its side

Answer»

Answer:

90

Step-by-step EXPLANATION:

AREA of square=LENGTH*length

let length is TAKEN as X

X*X=8182

X^2=8182

X=90

Discussion

25.	pradeep payed 20% of his salary as income tax.if he is left with rs 8400 after paying the tax.find his salary
Answer» Step-by-step explanation: 20÷100×840 Rupees 10080 is the ANWER

25.

pradeep payed 20% of his salary as income tax.if he is left with rs 8400 after paying the tax.find his salary

Answer»

Step-by-step explanation:

20÷100×840

Rupees 10080 is the ANWER

Discussion

26.	Define probability and theoretical distribution
Answer» Theoretical distribution. A model for the VARIATION in the VALUES of a VARIABLE based on defining the probabilities of values (or INTERVALS of values) of a variable. Example. The Poisson distribution is a theoretical distribution.

Discussion

27.	P is prime so p is irrational
Answer» ANSWER: YES i THINK it is IRRATIONAL

27.

P is prime so p is irrational

Answer»

ANSWER:

YES i THINK it is IRRATIONAL

Discussion

28.	If p(2,p) is the midpoint of the line segment joining a(6,-5) b(-2,11)find the value of p
Answer» The ANSWER is p=3.(USING MIDPOINT FORMULA)

Discussion

29.	If the domain of y = f(x) is [-3,2] then find the domain of g(x) = f([x]), where [ ] denotes the greatest integer function .
Answer» ANSWER: [-3,2] {-3,-2,-1,0,1,2}

29.

If the domain of y = f(x) is [-3,2] then find the domain of g(x) = f([x]), where [ ] denotes the greatest integer function .

Answer»

ANSWER:

[-3,2]

{-3,-2,-1,0,1,2}

Discussion

30.	If one zero of the quadratic polynomial f(x)=4x^2-8kx-9 is negative of the other find the value of k
Answer» Answer: k = 0. Step-by-step EXPLANATION: GIVEN : $\large \text{$f(<klux>X</klux>)=4x^2-8kx-9$}$ And one zero is negative of the other. We have to find value of k. $\large \text{Let one zero be $\alpha $ so other will be $-\alpha $}$ We know sum of two zero = - b / a where b is coefficient of x and a is coefficient of $x^2$ Putting VALUES here we GET $\large \text{$\alpha-\alpha=\dfrac{-8k}{4}$}\\\\\\\large \text{$0=-2k$}\\\\\\\large \text{$k=0$}$ Thus we get k = 0.

30.

If one zero of the quadratic polynomial f(x)=4x^2-8kx-9 is negative of the other find the value of k

Answer»

Answer:

k = 0.

Step-by-step EXPLANATION:

GIVEN :

$\large \text{$f(<klux>X</klux>)=4x^2-8kx-9$}$

And one zero is negative of the other.

We have to find value of k.

$\large \text{Let one zero be $\alpha $ so other will be $-\alpha $}$

We know sum of two zero = - b / a

where b is coefficient of x and a is coefficient of $x^2$

Putting VALUES here we GET

$\large \text{$\alpha-\alpha=\dfrac{-8k}{4}$}\\\\\\\large \text{$0=-2k$}\\\\\\\large \text{$k=0$}$

Thus we get k = 0.

Discussion

31.	If one zero of the polynomial 2x^2+px+4=0 is 2,find the other zero & find the value of p
Answer» Answer: <P> p = -6 and other zero is 1. Step-by-step explanation: Given : $\large \text{$p(x)=2x^<klux>2</klux>+px+4=0$ and <klux>ONE</klux> zero is 2}$ putting x = 2 in p( x ) $\large \text{$p(x)=2x^2+px+4=0$}\\\\\\\large \text{$p(2)=2.(2)^2+2p+4=0$}\\\\\\\large \text{$p(2)=8+2p+4=0$}\\\\\\\large \text{$p(2)=12+2p=0$}\\\\\\\large \text{$p(2)=6+p=0$}\\\\\\\large \text{$p=-6$}$ THUS we get p = -6 Now put p = -6 in p ( x ) $\large \text{$p(x)=2x^2+px+4=0$}\\\\\\\large \text{$p(x)=2x^2-6x+4=0$}\\\\\\\large \text{By splitting mid term method we get}\\\\\\\large \text{$p(x)=2x^2-4x-2x+4=0$}\\\\\\\large \text{$p(x)=2x(x-2)-2(x-2)=0$}\\\\\\\large \text{$p(x)=(x-2)(2x-2)=0$}\\\\\\\large \text{$x-2=0 \ or \ 2x-2=0$}\\\\\\\large \text{$x=2 \ or \ x=1$}$ So one zero is 2 and other is 1.

31.

If one zero of the polynomial 2x^2+px+4=0 is 2,find the other zero & find the value of p

Answer»

Answer:

<P>

p = -6 and other zero is 1.

Step-by-step explanation:

Given :

$\large \text{$p(x)=2x^<klux>2</klux>+px+4=0$ and <klux>ONE</klux> zero is 2}$

putting x = 2 in p( x )

$\large \text{$p(x)=2x^2+px+4=0$}\\\\\\\large \text{$p(2)=2.(2)^2+2p+4=0$}\\\\\\\large \text{$p(2)=8+2p+4=0$}\\\\\\\large \text{$p(2)=12+2p=0$}\\\\\\\large \text{$p(2)=6+p=0$}\\\\\\\large \text{$p=-6$}$

THUS we get p = -6

Now put p = -6 in p ( x )

$\large \text{$p(x)=2x^2+px+4=0$}\\\\\\\large \text{$p(x)=2x^2-6x+4=0$}\\\\\\\large \text{By splitting mid term method we get}\\\\\\\large \text{$p(x)=2x^2-4x-2x+4=0$}\\\\\\\large \text{$p(x)=2x(x-2)-2(x-2)=0$}\\\\\\\large \text{$p(x)=(x-2)(2x-2)=0$}\\\\\\\large \text{$x-2=0 \ or \ 2x-2=0$}\\\\\\\large \text{$x=2 \ or \ x=1$}$

So one zero is 2 and other is 1.

Discussion

32.	If o is in centre of tiangle abc and angle boc is 116° find angle bac
Answer» Answer: 58° Step-by-step EXPLANATION: ANGLE BOC =2anglebac 116=2angle bac 116/2=bac 58°=bac

32.

If o is in centre of tiangle abc and angle boc is 116° find angle bac

Answer»

Answer:

58°

Step-by-step EXPLANATION:

ANGLE BOC =2anglebac

116=2angle bac

116/2=bac

58°=bac

Discussion

33.	A road which is 7m wide surrounds circular park whose circumference is 352m, Find the area of the road.
Answer» Answer: $\large \text{$2618 \ m^2$}$ Step-by-step EXPLANATION: Given : Width of road = 7 m CIRCUMFERENCE = 352 m We KNOW that Circumference of circle = 2 π r Let radius be r m 2 π r = 352 m π r = 176 r = 7 × 8 m r = 56 m It is radius of circular park. So radius of circular park along road = 56 + 7 = 63 m Area of the road = Area of circular park along road - Area of circular park . We know area of circle = $\pi r^{2}$ $\large \text{ Area of the road = $\pi \ 63^{2} - \pi \ 56^{2} \ m^2 $}\\\\\\\large \text{ Area of the road = $\dfrac{22}{7}\times63\times63-\dfrac{22}{7}\times56\times56 $}\\\\\\\large \text{ Area of the road = $22\times63\times9-22\times56\times8$}\\\\\\\large \text{ Area of the road = $12474-9856$}\\\\\\\large \text{ Area of the road = $2618 \ m^2$}$

33.

A road which is 7m wide surrounds circular park whose circumference is 352m, Find the area of the road.

Answer»

Answer:

$\large \text{$2618 \ m^2$}$

Step-by-step EXPLANATION:

Given :

Width of road = 7 m

CIRCUMFERENCE = 352 m

We KNOW that

Circumference of circle = 2 π r

Let radius be r m

2 π r = 352 m

π r = 176

r = 7 × 8 m

r = 56 m

It is radius of circular park.

So radius of circular park along road = 56 + 7 = 63 m

Area of the road = Area of circular park along road - Area of circular park .

We know area of circle = $\pi r^{2}$

$\large \text{ Area of the road = $\pi \ 63^{2} - \pi \ 56^{2} \ m^2 $}\\\\\\\large \text{ Area of the road = $\dfrac{22}{7}\times63\times63-\dfrac{22}{7}\times56\times56 $}\\\\\\\large \text{ Area of the road = $22\times63\times9-22\times56\times8$}\\\\\\\large \text{ Area of the road = $12474-9856$}\\\\\\\large \text{ Area of the road = $2618 \ m^2$}$

Discussion

34.	Write a paragraph within 100 words on the habit of reading books for class 10
Answer» Step-by-step EXPLANATION: Reading book is very IMPORTANT .It increases the person's vocabulary , writing skills .Each line in a SENTENCE always contains some information , it may contains the concept if Physics , Maths and many more .The usages of grammar's RULE can be easily understood through regular reading .

34.

Write a paragraph within 100 words on the habit of reading books for class 10

Answer»

Step-by-step EXPLANATION:

Reading book is very IMPORTANT .It increases the person's vocabulary , writing skills .Each line in a SENTENCE always contains some information , it may contains the concept if Physics , Maths and many more .The usages of grammar's RULE can be easily understood through regular reading .

Discussion

35.	Simplify:-(√5-√3)sq
Answer» OPEN the BRACKET by IDENTITY (a-b)^2=a^2+b^2-2ab

35.

Simplify:-(√5-√3)sq

Answer»

OPEN the BRACKET by IDENTITY (a-b)^2=a^2+b^2-2ab

Discussion

36.	1. If CP = 9.50 and SP -the profit.11.40, then find
Answer» This is your ANSWER .......

36.

1. If CP = 9.50 and SP -the profit.11.40, then find

Answer»

This is your ANSWER .......

Discussion

37.	iIf α and β are the zeros of the quadratic polynomial f(x)= x(x-4), find the value of 1/α +1/β -2αβ.
Answer» $\huge\textbf{Good\:Mning}$ $\text{[math]}$ Your answer: The given polynomial is f (x) = x² - x - 4 Since α and β are the zeros of f (x), α + β = - (- 1)/1 ⇒ α +β = 1 ...(i) and αβ = - 4/1 ⇒ αβ = - 4 ...(II) Now, 1/α + 1/β - αβ = (α + β)/(αβ) - (αβ) = 1/(- 4) - (- 4) = - 1/4 + 4 = (- 1 + 16)/4 = 15/4 #Hope it will HELP you.....I think it's correct!!

Discussion

38.	Find 5 rational numbers between 3/4 & 4/5
Answer» HEY MATE! HERE IS YOUR ANSWER :

38.

Find 5 rational numbers between 3/4 & 4/5

Answer»

HEY MATE!

HERE IS YOUR ANSWER :

Discussion

39.	Estimate by general rule (a) 540 + 1210 (b) 892 – 342 (c) 739 x 892
Answer» Step-by-step explanation: (a) SOL: 500 + 1200 = 1700 (b) sol: 900 - 300 = 600 (c) sol: 700 × 900 = 630000

39.

Estimate by general rule (a) 540 + 1210 (b) 892 – 342 (c) 739 x 892

Answer»

Step-by-step explanation:

(a) SOL: 500 + 1200

= 1700

(b) sol: 900 - 300

= 600

(c) sol: 700 × 900

= 630000

Discussion

40.	Evaluate :∫(x^3+3x^2+4)/√x
Answer» ANSWER: Step-by-step EXPLANATION:

40.

Evaluate :∫(x^3+3x^2+4)/√x

Answer»

ANSWER:

Step-by-step EXPLANATION:

Discussion

41.	The short and long hands of a clock are 4cm and 6cm long respectively. Find the sum of the distance travelled by their tips in two days.
Answer» SOLUTION *Refer* to *the* *attachment* *hope* *it HELPS* ✔️

41.

The short and long hands of a clock are 4cm and 6cm long respectively. Find the sum of the distance travelled by their tips in two days.

Answer»

SOLUTION

Refer to the attachment

hope it HELPS ✔️

Discussion

42.	If α and β are the zeros of the quadratic polynomial f(x)= x(x-4), find the value of 1/α +1/β -2αβ.
Answer» I am assuming that you know the VALUES of CO efficents theorem since you have asked this. f(x)=x(x-4) =x²-4x In this, a=1;b=-4; and c=0 α+β=-b/a and αβ=c/a =-(-4)/1 =0/1 =4 =0 Now, 1/α+1/β-2αβ =(α+β)/αβ-2αβ =4/0-0 =∞ (any number x/0=∞) This is the ANSWER i can DERIVE unless there is SOMETHING wrong from the question

42.

If α and β are the zeros of the quadratic polynomial f(x)= x(x-4), find the value of 1/α +1/β -2αβ.

Answer»

I am assuming that you know the VALUES of CO efficents theorem since you have asked this.

f(x)=x(x-4)

=x²-4x

In this, a=1;b=-4; and c=0

α+β=-b/a and αβ=c/a

=-(-4)/1 =0/1

=4 =0

Now,

1/α+1/β-2αβ

=(α+β)/αβ-2αβ

=4/0-0

=∞ (any number x/0=∞)

This is the ANSWER i can DERIVE unless there is SOMETHING wrong from the question

Discussion

43.	0. Find one rational and one irrational no.between root 3 and root 5
Answer» ANSWER: there are infinite rational NUMBER so you can write any number HOPE IS HELPFULL....

43.

0. Find one rational and one irrational no.between root 3 and root 5

Answer»

ANSWER:

there are infinite rational NUMBER so you can write any number

HOPE IS HELPFULL....

Discussion

44.	29. Evaluate: Ž[(- 1728)/2744]
Answer» ANSWER: Step-by-step EXPLANATION:

44.

29. Evaluate: Ž[(- 1728)/2744]

Answer»

ANSWER:

Step-by-step EXPLANATION:

Discussion

45.	Find the l.c.m of 432,534,398
Answer» ANSWER: The LCM of 432=432 ,534=534 and [email PROTECTED]@

45.

Find the l.c.m of 432,534,398

Answer»

ANSWER:

The LCM of 432=432

,534=534

and [email PROTECTED]@

Discussion

46.	1 If CP = 9.50 and SP = * 11.40, then findthe profit.
Answer» Answer: 20% Step-by-step EXPLANATION: profir=(sp-cp/cp )100 =(1.90/9.50) 100 =20

46.

1 If CP = 9.50 and SP = * 11.40, then findthe profit.

Answer»

Answer:

20%

Step-by-step EXPLANATION:

profir=(sp-cp/cp )*100

=(1.90/9.50) *100

=20

Discussion

47.	30% of the students in a class wear spectacles, 10% of the students who wear spectacles wear gols emmes spectacles theclass has 200 students, how many wear gold rimmed spectacles?
Answer» Here ,20 STUDENTS wear GOLD rimmed glass.As GIVEN if 100%=200 students then, 10%=20.

Discussion

48.	Convert 10 L into 360 ml
Answer» Answer: 10LT MEANS 10000ml NEEDED to GET 360ml Step-by-step explanation: 10000/360=30.66

48.

Convert 10 L into 360 ml

Answer»

Answer:

10LT MEANS 10000ml NEEDED to GET 360ml

Step-by-step explanation:

10000/360=30.66

Discussion

49.	1f a = 1/ 3-2 root 2 , b = 1 / 3+2 root 2 , prove that a square b + ab square =6
Answer» ANSWER: HEY guys refer an ATTACHMENT

49.

1f a = 1/ 3-2 root 2 , b = 1 / 3+2 root 2 , prove that a square b + ab square =6

Answer»

ANSWER:

HEY guys

refer an ATTACHMENT

Discussion

50.	Pls answer fast it is urgent
Answer» Answer: 2^(3x-1) = 32 now do it ......

50.

Pls answer fast it is urgent

Answer»

Answer:

2^(3x-1) = 32 now do it ......

Discussion

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