332354 + Interview Questions in Secondary School in Math

1.	How to find short run supply curve from short run total cost
Answer» by USING DISPLACEMENT METHOD

Discussion

2.	Find the sum of lowest fraction and highest fraction out of 3/5, 5/11, 2/7, 7/9 & 9/14
Answer» The SUM of LOWEST and HIGHEST FRACTION i.e., 3/5 + 9/14 = 87/70

Discussion

3.	SecA =5/4 then tanA/1+tanA.tanA
Answer» PLEASE FIND the ANSWER in the ATTACHED PICTURE

Discussion

4.	Daam hai to solve karo...
Answer» ROOT dx^2/x+2 root d+x/2

Discussion

5.	The 8th term of an AP is 17th and 19th term is 39.find the 25th term
Answer» LET a be the FIRST term. Let d be the COMMON DIFFERENCE .

Discussion

6.	Shobos mothers present age is six times Shobos present age Shobos age five years from now will be one third of his mothers present age what are their present ages
Answer» 7 and 42 i THINK so..................

Discussion

7.	The sum of numerator and denominator of a certain fraction is 10 if 1 is subtracted from the both the numerator and denominator the fraction is decreased by 2 by 21 find the fraction
Answer» HOPE this will HELP you.

Discussion

8.	2+10 what's the answer
Answer» Your ANSWER is 12...

Discussion

9.	Differentiation of sin x + cos x + sec x
Answer» Here is the ANSWER to your QUESTION..........

Discussion

10.	Is 18 and 49 co prime numbers...answer with step...
Answer» JR DeJesus Huggies STAFF bnsloaoqpqowjdhbdbdwbnwmqlqpaos

Discussion

11.	Haldane?s (1957) upper limit of 300 years per adaptive substitution
Answer» Jakisuxuxyndbsmslalalsosixhdbdbdbdsmsms

Discussion

12.	where will a point lie if the positive abscissa equals to the negative of the positive ordinate? please answer.
Answer» ANSWER: Step-by-step explanation: The point will LIE on 4TH quadrant, HOPE you UNDERSTOOD

12.

where will a point lie if the positive abscissa equals to the negative of the positive ordinate? please answer.

Answer»

ANSWER:

Step-by-step explanation:

The point will LIE on 4TH quadrant, HOPE you UNDERSTOOD

Discussion

13.	What is the degree of the polynomial root 5
Answer» Hii I don't KNOW SEARCH on GOOGLE

Discussion

14.	Find the mean first n natural number
Answer» 10+9+8+7+6+5+4+3+2+1 =55 55/10= 5.5

Discussion

15.	√6/√3-√2, Rationalise the denominators of the given numbers.
Answer» $\bold{Answer :}$ We multiply both the NUMERATOR and the DENOMINATOR of the given number by its CONJUGATE irrational number (√3 + √2) of its denominator. Then, (√6)/(√3 - √2) = {(√6)(√3 + √2)}/{√3 + √2)(√3 - √2)} = (3√2 + 2√3)/(3 - 2) = (3√2 + 2√3)/1, which is the required form. # $\bold{MarkAsBrainliest}$

Discussion

16.	1/3+√2 , Rationalise the denominators of the given numbers.
Answer» $\bold{Answer :}$ To rationalize the DENOMINATOR of the given number, we MULTIPLY both the numerator and the denominator by the conjugate irrational number (3 - √2) Now, 1/(3 + √2) = (3 - √2)/{(3 + √2)(3 - √2)} = (3 - √2)/(9 - 2) = (3 - √2)/7, which is the REQUIRED form # $\bold{MarkAsBrainliest}$

Discussion

17.	t⁴=256, In the given equation, find whether variables x, y, z etc. represent rational or irrational numbers.
Answer» T⁴ = 256 => T = 4√256 => T = 4 Since 4 is a RATIONAL number, the variable T is a rational number. Since X ,Y, Z are not GIVEN, nothing can be said about their PROPERTY.

17.

t⁴=256, In the given equation, find whether variables x, y, z etc. represent rational or irrational numbers.

Answer»

T⁴ = 256

=> T = 4√256

=> T = 4

Since 4 is a RATIONAL number, the variable T is a rational number.

Since X ,Y, Z are not GIVEN, nothing can be said about their PROPERTY.

Discussion

18.	w²=27, In the given equation, find whether variables x, y, z etc. represent rational or irrational numbers.
Answer» $\bold{Answer :}$ Now, w² = 27 or, w² = (3√3)² or, W = ± 3√3 Since √3 is an IRRATIONAL NUMBER, ± 3√3 is ALSO irrational ∴ w is an irrational number # $\bold{MarkAsBrainliest}$

Discussion

19.	u²=17/4, In the given equation, find whether variables x, y, z etc. represent rational or irrational numbers.
Answer» $\bold{Answer :}$ Now, u² = 17/4 or, u² = {(√17)/2}² or, u = ± (√17)/2 We know that √17 is an irrational NUMBER; so ± (√17)/2 are ALSO an irrational number ∴ u is an irrational number # $\bold{MarkAsBrainliest}$

Discussion

20.	z²=0.02, In the given equation, find whether variables x, y, z etc. represent rational or irrational numbers.
Answer» Z² = 0.02 0.02 can be written as 2 / 100 => Z² = 2 / 100 => Z = √ ( 2 / 100 ) => Z = + √2 / 10, - √2 / 10 Since √2 is an irrational NUMBER, √2 / 10 is an irrational number. THEREFORE, Z is also an irrational number.

20.

z²=0.02, In the given equation, find whether variables x, y, z etc. represent rational or irrational numbers.

Answer»

Z² = 0.02

0.02 can be written as 2 / 100

=> Z² = 2 / 100

=> Z = √ ( 2 / 100 )

=> Z = + √2 / 10, - √2 / 10

Since √2 is an irrational NUMBER, √2 / 10 is an irrational number.

THEREFORE, Z is also an irrational number.

Discussion

21.	y²=16, In the given equation, find whether variables x, y, z etc. represent rational or irrational numbers.
Answer» Y² = 16 => Y = √ 16 √ 16 = + 4, - 4 Hence Y = 4, -4 Since 4 and - 4 are rational NUMBERS, Y is THEREFORE a rational NUMBER.

21.

y²=16, In the given equation, find whether variables x, y, z etc. represent rational or irrational numbers.

Answer»

Y² = 16

=> Y = √ 16

√ 16 = + 4, - 4

Hence Y = 4, -4

Since 4 and - 4 are rational NUMBERS, Y is THEREFORE a rational NUMBER.

Discussion

22.	x²=7, In the given equation, find whether variables x, y, z etc. represent rational or irrational numbers.
Answer» X² = 7 => X = + √ 7 , - √ 7 We KNOW that √7 is an irrational number. Hence X = Irrational number.

22.

x²=7, In the given equation, find whether variables x, y, z etc. represent rational or irrational numbers.

Answer»

X² = 7

=> X = + √ 7 , - √ 7

We KNOW that √7 is an irrational number. Hence X = Irrational number.

Discussion

23.	(2+√2)(2-√2) , Classify the given number as rational or irrational.
Answer» HEYA!! ---------- (2 + √2 ) ( 2 - √2 ) Using identity ( A + B ) ( A - B ) = ( A^2 - B^2 ) ( 2+√2) (2-√2) = ( 4 - 2 ) = 2 ✔It is a Rational Number ..⭐⭐ ----------------------------------------------------------------------------------------------------

Discussion

24.	1/√3, Classify the given number as rational or irrational.
Answer» $\bold{Answer :}$ We know that √3 is an IRRATIONAL number Then, 1/(√3) is ALSO an irrational number which can be EXPRESSED as 1/(√3) = (√3)/(√3 × √3) = (√3)/3 if the denominator be RATIONALIZED # $\bold{MarkAsBrainliest}$

Discussion

25.	(√2-2)², Classify the given number as rational or irrational.
Answer» GIVEN number = ( √2 - 2 )² This is of the form ( a - b )² We know that ( a - b )² = a² - 2ab + b² => ( √2 - 2 )² = ( √2 )² - 2 ( √2 ) ( 2 ) + 2² => ( √2 - 2 )² = 2 - 4√2 + 4 => ( √2 - 2 )² = 6 - 4√2 Since 6 - 4√2 is an irrational number ( As anything added with irrational number is an irrational number ), ( √2 - 2 )² is ALSO an irrational number.

25.

(√2-2)², Classify the given number as rational or irrational.

Answer»

GIVEN number = ( √2 - 2 )²

This is of the form ( a - b )²

We know that ( a - b )² = a² - 2ab + b²

=> ( √2 - 2 )² = ( √2 )² - 2 ( √2 ) ( 2 ) + 2²

=> ( √2 - 2 )² = 2 - 4√2 + 4

=> ( √2 - 2 )² = 6 - 4√2

Since 6 - 4√2 is an irrational number ( As anything added with irrational number is an irrational number ), ( √2 - 2 )² is ALSO an irrational number.

Discussion

26.	√3+√2, Classify the given number as rational or irrational.
Answer» We know the fact that √ 3 and √ 2 are IRRATIONAL NUMBERS. This is because √ 2 and √ 3 have NON terminating non recurring DECIMAL number. Hence they are not rational but they are irrational. Also we know that any number when added with an irrational number always yields an irrational number. So Irrational number added with Irrational number also gives Irrational number only as the sum. Hence √3 + √2 is an irrational number.

26.

√3+√2, Classify the given number as rational or irrational.

Answer»

We know the fact that √ 3 and √ 2 are IRRATIONAL NUMBERS. This is because √ 2 and √ 3 have NON terminating non recurring DECIMAL number. Hence they are not rational but they are irrational.

Also we know that any number when added with an irrational number always yields an irrational number. So Irrational number added with Irrational number also gives Irrational number only as the sum.

Hence √3 + √2 is an irrational number.

Discussion

27.	5−√3, Classify the given number as rational or irrational.
Answer» $\bold{Answer :}$ We know that √3 is an irrational number Here 5 is a RATIONAL number and √3 is an irrational number; thus by property, SUBTRACTION of irrational number from a rational number resulting an irrational number, we can conclude that (5 - √3) is an irrational number We can ALSO prove it using CONTRADICTION. # $\bold{MarkAsBrainliest}$

Discussion

28.	(5+√5)(5−√5) Simplify the given expressions.
Answer» $\bold{Answer :}$ Now, (5 + √5) (5 - √5) = (5 × 5) - (5 × √5) + (5 × √5) - (√5 × √5) = 25 - 5 = 20 We can ALSO FIND the VALUE using identity rule (a + b) (a - b) = a² - b² So, (5 + √5) (5 - √5) = 5² - (√5)² = 25 - 5 = 20 # $\bold{MarkAsBrainliest}$

Discussion

29.	All real numbers are irrational. State whether the given statement are true or false. Justify your answers.
Answer» The above STATEMENT is true. REAL numbers is a COLLECTION of all rational and IRRATIONAL numbers in a group. Hence, All irrational numbers are a part of real numbers which TELLS all irrational numbers are real numbers. But all real numbers are not irrational numbers as they consist of both rational and irrational numbers.

29.

All real numbers are irrational. State whether the given statement are true or false. Justify your answers.

Answer»

The above STATEMENT is true.

REAL numbers is a COLLECTION of all rational and IRRATIONAL numbers in a group.

Hence, All irrational numbers are a part of real numbers which TELLS all irrational numbers are real numbers.

But all real numbers are not irrational numbers as they consist of both rational and irrational numbers.

Discussion

30.	√n is irrational if n is not a perfect square. State whether the given statement are true or false. Justify your answers.
Answer» TRUE. $\sqrt{n} \: will \: have \: non \: terminating \: \\ value ....\: if \: n \: \: will \: not \:be \: \\ perfect \ \: square$ HENCE IRRATIONAL

Discussion

31.	√n is not irrational if n is a perfect square.State whether the given statement are true or false. Justify your answers.
Answer» HEY mate!! ➡√N is not irrational if n is a PERFECT square ➡The given statement is true . ➡let us understand this with the help of an example If we take $\sqrt{4} \:$ Then its VALUE is 2, which is RATIONAL number. Hope it helps to you.

Discussion

32.	Every real number need not be a rational number. State whether the given statement are true or false. Justify your answers.
Answer» TRUE... because imagine a number line iy consists RATIONAL numbers and also IRRATIONAL in p/q form.. so every real is an rational number... i will consider UR QUESTION in some cases..

Discussion

33.	Every rational number is a real number. State whether the given statement are true or false. Justify your answers.
Answer» The STATEMENT GIVEN is True Real numbers is DEFINED as the collection of numbers which have both the rational and irrational numbers as it's component. So all rational numbers are a part of Real numbers. Hence All rational numbers are real numbers but not all real numbers are rational numbers.

33.

Every rational number is a real number. State whether the given statement are true or false. Justify your answers.

Answer»

The STATEMENT GIVEN is True

Real numbers is DEFINED as the collection of numbers which have both the rational and irrational numbers as it's component.

So all rational numbers are a part of Real numbers.

Hence All rational numbers are real numbers but not all real numbers are rational numbers.

Discussion

34.	Every irrational number is a real number. State whether the given statement are true or false. Justify your answers.
Answer» True,all IRRATIONAL NUMBERS and rational numbers FORM a GROUP of real numbers

Discussion

35.	0.3030030003....., Classify the given number as rational or irrational.
Answer» It's an IRRATIONAL NUMBER

Discussion

36.	11.2132435465, Classify the given number as rational or irrational.
Answer» We have, 11.21324354567 A/Q, We have to CHECK WHETHER the GIVEN NUMBER can be written in the form of p/q or not. MEANS, 11.213243565 = 112132435465/ 10000000000 Yes this can be written in the form of p/q Hence, the given number is a rational number.

Discussion

37.	7.484848…, Classify the given number as rational or irrational.
Answer» Given decimal 7.484848... is a non-terminating recurring decimal. THEREFORE , 7.4848....is a rational number. ******************************** The set of digits which repeats in non-terminating recurring decimal is CALLED period. The number of digits in a period of non-terminating decimal is called PERIODICITY . ********************************** In 7.484848..... Period = 48 Periodicity = 2 _____________________ Let x = 7.484848... ----( 1 ) MULTIPLY ( 1 ) with 100, we get 100x = 748.484848...---( 2 ) SUBTRACT ( 1 ) from ( 2 ) , we get 99x = 741 => x = 741/99 = 247/33 [ p/q form ] Therefore , 7.484848....= 247/33 is a rational number. ••••••

37.

7.484848…, Classify the given number as rational or irrational.

Answer»

Given decimal 7.484848...

is a non-terminating recurring

decimal.

THEREFORE ,

7.4848....is a rational number.

**********************************

The set of digits which repeats

in non-terminating recurring

decimal is CALLED period.

The number of digits in a period

of non-terminating decimal is

called PERIODICITY .

************************************

In 7.484848.....

Period = 48

Periodicity = 2

_____________________

Let x = 7.484848... ----( 1 )

MULTIPLY ( 1 ) with 100, we get

100x = 748.484848...---( 2 )

SUBTRACT ( 1 ) from ( 2 ) , we get

99x = 741

=> x = 741/99

= 247/33 [ p/q form ]

Therefore ,

7.484848....= 247/33

is a rational number.

••••••

Discussion

38.	30.232342345… , Classify the given number as rational or irrational.
Answer» <P>A rational NUMBER is a number that can be expressed in the form of p / q where q ≠ 0 and p,q are integers. 30.232342345.... is a non terminating, non recurring DECIMAL number. A rational number always has either a terminating decimal number or a non terminating recurring number. But non terminating and non recurring number is not possible for it to be a rational number. HENCE 30.232342345... is not a rational number as it is non terminating and non recurring.

38.

30.232342345… , Classify the given number as rational or irrational.

Answer»

<P>A rational NUMBER is a number that can be expressed in the form of p / q where q ≠ 0 and p,q are integers.

30.232342345.... is a non terminating, non recurring DECIMAL number.

A rational number always has either a terminating decimal number or a non terminating recurring number. But non terminating and non recurring number is not possible for it to be a rational number.

HENCE 30.232342345... is not a rational number as it is non terminating and non recurring.

Discussion

39.	√441 , Classify the given number as rational or irrational.
Answer» GIVEN √441 = √(21 × 21 ) = 21 [ p/q FORM ] = RATIONAL number Therefore , √441 is a rational number. ••••

39.

√441 , Classify the given number as rational or irrational.

Answer»

GIVEN √441

= √(21 × 21 )

= 21 [ p/q FORM ]

= RATIONAL number

Therefore ,

√441 is a rational number.

••••

Discussion

40.	3.127 - Express the given decimal number in the p/q form.
Answer» Hey YAR here is ur answer 3.127=3127÷1000 hope it HELPS uuu mark me as BRAINLIEST and followw mee

Discussion

41.	Plz help me plZ plz plz
Answer» ANGLE ABE = BEF = 60 deg BC (180 deg) = angle BEF + angle FEC 180 = 60 + x x = 180-60 x= 120

Discussion

42.	0.36 - Express the given decimal number in the p/q form.
Answer» GIVEN TERMINATING decimal 0.36 = 0.36 × ( 100/100 ) = (0.36 × 100 )/100 = 36/100 = ( 4 × 9 )/( 4 × 25 ) After cancellation, we get = 9/25 [ p/q FORM ] THEREFORE , 0.36 = 9/25 ••••

42.

0.36 - Express the given decimal number in the p/q form.

Answer»

GIVEN TERMINATING decimal

0.36

= 0.36 × ( 100/100 )

= (0.36 × 100 )/100

= 36/100

= ( 4 × 9 )/( 4 × 25 )

After cancellation, we get

= 9/25 [ p/q FORM ]

THEREFORE ,

0.36 = 9/25

••••

Discussion

43.	0.5 - Express the given decimal number in the p/q form.
Answer» $\bold{Answer :}$ LET, x = 0.5 Then, 10X = 5 or, x = 5/10 or, x = 1/2 Therefore, the REQUIRED number be 0.5 = 1/2 ( in p/q form ) # $\bold{MarkAsBrainliest}$

Discussion

44.	10.25 - Express the given decimals in p/q form where q≠0 and p, q are integers
Answer» $\bold{Answer :}$ LET, X = 10.25 Then, 100X = 1025 or, x = 1025/100 or, x = 41/4 Therefore, 10.25 = 41/4 ( in p/q FORM ) # $\bold{MarkAsBrainliest}$

Discussion

45.	15.4 - Express the given decimals in p/q form where q≠0 and p, q are integers
Answer» 154/10 it is the ANSWER

Discussion

46.	11/9 - Express the given rational numbers as decimals numbers.
Answer» 1.22222222 this is the ANSWER

Discussion

47.	22/7 - Express the given rational numbers as decimals numbers.
Answer» 3.1429 is the DECIMAL FORM of 22/7

Discussion

48.	-25/36 - Express the given rational numbers as decimals numbers.
Answer» -0.69444is the DECIMAL FORM of -25/36

Discussion

49.	242/1000 - Express the given rational numbers as decimals numbers.
Answer» We know that any number when DIVIDED by 1000 can be simplified further into decimal form by just moving the points to EITHER left or right side of the number. E.g. 120 / 1000 Here 1000 is to be divided HENCE the points must be moved from left to the right. 1000 has three zeros and hence it must be moved 3 times to the left. 120.0 / 1000 => 0.12 Similarly, 242 / 1000 is : 242.0 / 1000 => 0.242

49.

242/1000 - Express the given rational numbers as decimals numbers.

Answer»

We know that any number when DIVIDED by 1000 can be simplified further into decimal form by just moving the points to EITHER left or right side of the number.

E.g. 120 / 1000

Here 1000 is to be divided HENCE the points must be moved from left to the right. 1000 has three zeros and hence it must be moved 3 times to the left.

120.0 / 1000 => 0.12

Similarly, 242 / 1000 is :

242.0 / 1000 => 0.242

Discussion

50.	A number which is natural number, whole number, integer and rational number,Give one example for the given statement.
Answer» 1 is the BEST example. If u FIND it useful mark me ad BRAINLIEST.

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

How to find short run supply curve from short run total cost

Find the sum of lowest fraction and highest fraction out of 3/5, 5/11, 2/7, 7/9 & 9/14

SecA =5/4 then tanA/1+tanA.tanA

Daam hai to solve karo...

The 8th term of an AP is 17th and 19th term is 39.find the 25th term

Shobos mothers present age is six times Shobos present age Shobos age five years from now will be one third of his mothers present age what are their present ages

The sum of numerator and denominator of a certain fraction is 10 if 1 is subtracted from the both the numerator and denominator the fraction is decreased by 2 by 21 find the fraction

2+10 what's the answer

Differentiation of sin x + cos x + sec x

Is 18 and 49 co prime numbers...answer with step...

Haldane?s (1957) upper limit of 300 years per adaptive substitution

where will a point lie if the positive abscissa equals to the negative of the positive ordinate? please answer.

What is the degree of the polynomial root 5

Find the mean first n natural number

√6/√3-√2, Rationalise the denominators of the given numbers.

1/3+√2 , Rationalise the denominators of the given numbers.

t⁴=256, In the given equation, find whether variables x, y, z etc. represent rational or irrational numbers.

w²=27, In the given equation, find whether variables x, y, z etc. represent rational or irrational numbers.

u²=17/4, In the given equation, find whether variables x, y, z etc. represent rational or irrational numbers.

z²=0.02, In the given equation, find whether variables x, y, z etc. represent rational or irrational numbers.

y²=16, In the given equation, find whether variables x, y, z etc. represent rational or irrational numbers.

x²=7, In the given equation, find whether variables x, y, z etc. represent rational or irrational numbers.

(2+√2)(2-√2) , Classify the given number as rational or irrational.

1/√3, Classify the given number as rational or irrational.

(√2-2)², Classify the given number as rational or irrational.

√3+√2, Classify the given number as rational or irrational.

5−√3, Classify the given number as rational or irrational.

(5+√5)(5−√5) Simplify the given expressions.

All real numbers are irrational. State whether the given statement are true or false. Justify your answers.

√n is irrational if n is not a perfect square. State whether the given statement are true or false. Justify your answers.

√n is not irrational if n is a perfect square.State whether the given statement are true or false. Justify your answers.

Every real number need not be a rational number. State whether the given statement are true or false. Justify your answers.

Every rational number is a real number. State whether the given statement are true or false. Justify your answers.

Every irrational number is a real number. State whether the given statement are true or false. Justify your answers.

0.3030030003....., Classify the given number as rational or irrational.

11.2132435465, Classify the given number as rational or irrational.

7.484848…, Classify the given number as rational or irrational.

30.232342345… , Classify the given number as rational or irrational.

√441 , Classify the given number as rational or irrational.

3.127 - Express the given decimal number in the p/q form.

Plz help me plZ plz plz

0.36 - Express the given decimal number in the p/q form.

0.5 - Express the given decimal number in the p/q form.

10.25 - Express the given decimals in p/q form where q≠0 and p, q are integers

15.4 - Express the given decimals in p/q form where q≠0 and p, q are integers

11/9 - Express the given rational numbers as decimals numbers.

22/7 - Express the given rational numbers as decimals numbers.

-25/36 - Express the given rational numbers as decimals numbers.

242/1000 - Express the given rational numbers as decimals numbers.

A number which is natural number, whole number, integer and rational number,Give one example for the given statement.