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How to solve an equation and how to make equation?

Posted by Shabu Joseh 5 years, 5 months ago

CBSE > Class 08 > Mathematics

0 answers

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The perimeter of a rectangular swimming pool is 154cm. It's length is 2m more than twice it's breadth, what is the length and breadth of the pool

Posted by Shanta Solia 5 years, 5 months ago

CBSE > Class 08 > Mathematics

1 answers

Gaurav Seth 5 years, 5 months ago

Let the breadth be 'x'

Length = 2 + 2x

Now perimeter of a rectangle = 2(l + b)

2(l + b) = 154
2 ( 2 + 2x + x) = 154
2 ( 2 + 3x) = 154
2 + 3x = 77
3x = 75
x = 25 m

Required breadth = 25 m
Length = 2 + 2 x 25 = 52 m

ANSWER

what is factor therom

Posted by Arradhya Anand 5 years, 5 months ago

CBSE > Class 08 > Mathematics

2 answers

Anurag Pandey 5 years, 5 months ago

Hii

Samish Kumar 5 years, 5 months ago

to find answer through factor theorem we take f{x}= factor given

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The sum is in Ex 1.1 A. 1. The answer of 2 question

Posted by Vedant Kansar 5 years, 5 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

In maths ch-1 the first no Q-1 who there come 1/4

Posted by Vedant Kansar 5 years, 5 months ago

CBSE > Class 08 > Mathematics

1 answers

Vedant Kansar 5 years, 5 months ago

The sum is the Ex 1.1 A. 1. The question of answer

ANSWER

Square root of the number 20.4034 by long division method

Posted by Jothi Manickam 5 years, 5 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Multipacutive invers of-13 by 4

Posted by Shabu Joseh 5 years, 5 months ago

CBSE > Class 08 > Mathematics

3 answers

Abhay Sharma 5 years, 5 months ago

-4\13

Shubham Kumar 5 years, 5 months ago

-4/13

Aarav Srivastava 5 years, 5 months ago

Multiplicative inverse of -13/4 is -4/13.

3Thank You

ANSWER

The sum of three consecutive multiples of 3 is 876. find the number

Posted by Neha Bhadauria Bhadouria 5 years, 5 months ago

CBSE > Class 08 > Mathematics

1 answers

Palak Khandal 5 years, 5 months ago

Let first no. be x Now next no. will automatically be x+3 And the third no. will be x+3+3 or x+6 Now solution: Total equation=x + x + 3 + x + 3 + 3 = 876 3x + 9 = 876 3x = 876 - 9 3x = 867 x =876 ÷ 3 x = 292 So, three consecutive multiples of 3 whose sum is 876 are x+ x + 3 + x + 3 + 3 = first no. = (x) = 292 Second no. = ( x + 3) = 292 + 3 = 295 Third no. =(x + 3 + 3) = 292 + 3 + 3 = 298

ANSWER

A man has 10 rupees and he spend 50 50 paise how much money he left

Posted by Mukesh Sharma 5 years, 5 months ago

CBSE > Class 08 > Mathematics

2 answers

Ayush Giri 5 years, 5 months ago

9 rupees

Mukesh Sharma 5 years, 5 months ago

, hi life -

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Q1.One third of a group of people of men and women are men. If the number of women is 200 more than men find total number of people.

Posted by Aarav Srivastava 5 years, 5 months ago

CBSE > Class 08 > Mathematics

1 answers

Aarav Srivastava 5 years, 5 months ago

Let the total number of people be n. Then, the number of men be 1/3n. So, number of women is 2/3n. A/q 1/3n+200=2/3n. 2/3n-1/3n=200. 1/3n=200. 1n=200×3 1n=600 n=600×1 Hence,the total number of people is 600.

5Thank You

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Sum of the digits of a two digit number is 9. When we interchange the digits , it is found that the resulting new number is greater than the original number by 27.What is the two digit number?

Posted by Nibir Mahanta 5 years, 5 months ago

CBSE > Class 08 > Mathematics

1 answers

Sia ? 4 years, 7 months ago

The new number is greater than the old number by 27, i.e. Adding the two equations, we get 2y = 12 or y = 6. Thus, x = 3. Therefore, the original number is 36.

ANSWER

The product of a number and its product is _________

Posted by Mohit Prajapat 5 years, 5 months ago

CBSE > Class 08 > Mathematics

2 answers

Akanshi Gupta 5 years, 5 months ago

Shubham Kumar 5 years, 5 months ago

ANSWER

I am not understand easly to learn

Posted by Krishna Mandal 5 years, 5 months ago

CBSE > Class 08 > Mathematics

0 answers

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-1/1 in number line

Posted by Dhruvraj Vaghela 5 years, 5 months ago

CBSE > Class 08 > Mathematics

1 answers

Vedant Kansar 5 years, 5 months ago

We do number line here

ANSWER

-2/3 on the number line

Posted by Aarav Srivastava 5 years, 5 months ago

CBSE > Class 08 > Mathematics

1 answers

Gunit Kumar 5 years, 5 months ago

Quadrilateral GOLD OL- 7.5 cm GL- 6 cm GD- 6 cm LD- 5 cm OD- 10 cm

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in a school,5/8 of the students are boys . if there are 240 girls, find the number of boys in the school

Posted by Mohit Dahiya 5 years, 5 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

in a school,5/8 of the students are boys . if there are 240 girls, find the number of boys in the school

Posted by Mohit Dahiya 5 years, 5 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Which of the following are not linear equation in one variable first 5 x + 2 y is equal to 10

Posted by Priyanshu Gupta 5 years, 5 months ago

CBSE > Class 08 > Mathematics

1 answers

Priyanshu Gupta 5 years, 5 months ago

3xy

ANSWER

Who is nandu?

Posted by Neha Agrawal 5 years, 5 months ago

CBSE > Class 08 > Mathematics

0 answers

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Find the value of. (i) (3° + 4– 1) × 22 (ii) (2– 1 × 4– 1) ÷ 2– 2.

Posted by Yuvraj Singh 5 years, 5 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Find the value of. (i) (3° + 4– 1) × 22 (ii) (2– 1 × 4– 1) ÷ 2– 2 (iii) 2 2 2 1 1 1 2 3 4 − − −           + +      

Posted by Yuvraj Singh 5 years, 5 months ago

CBSE > Class 08 > Mathematics

4 answers

Yuvraj Singh 5 years, 5 months ago

Hii

Yuvraj Singh 5 years, 5 months ago

Yogita please give the answer of "the renowned long nose "will u give me the notes of that

Yuvraj Singh 5 years, 5 months ago

Thank u very much

Yogita Ingle 5 years, 5 months ago

(i) (3° + 4– 1) × 22

=( 1 +4-1)× 22

= 4 × 22

= 88

(ii) (2– 1 × 4– 1) ÷ 2– 2

=(2– 4– 1) ÷ 2– 2

= 3 ÷ 2 – 2

= 1.5 - 2

= 0.5

ANSWER

Find the value of. (i) (3° + 4– 1) × 22

Posted by Yuvraj Singh 5 years, 5 months ago

CBSE > Class 08 > Mathematics

2 answers

Yuvraj Singh 5 years, 5 months ago

Thanx Yogita

Yogita Ingle 5 years, 5 months ago

(3° + 4– 1) × 22

=( 1 +4-1)× 22

= 4 × 22

= 88

ANSWER

Ch 8 ouestion 2

Posted by Lalit Maurya 5 years, 5 months ago

CBSE > Class 08 > Mathematics

3 answers

Yuvraj Singh 5 years, 5 months ago

hii

Priyanshu Choudhary 5 years, 5 months ago

Plz give answer

Sri Hari.R 5 years, 5 months ago

ANSWER

800 ka percentage 60℅ nikal na

Posted by Ramsevak Kumar 5 years, 5 months ago

CBSE > Class 08 > Mathematics

2 answers

Navyashree S 5 years, 5 months ago

YA this is correct

Riya Dalal 5 years, 5 months ago

According to your question, wehave to find 60%of 800 So, 60/100*800=480

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Examples of chapter number 1

Posted by Mukul Wanode 5 years, 5 months ago

CBSE > Class 08 > Mathematics

0 answers

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2/5,1/3,-3/4,1/6 find ascending

Posted by Yash Dalal 5 years, 5 months ago

CBSE > Class 08 > Mathematics

3 answers

Yuvraj Singh 5 years, 5 months ago

And it's answer is The fraction are 2/5, 1/3 , -3/4 , 1/6 First we find the L.C.M. of the denominators of the fractions to make the denominators same. L.C.M. of 5, 3, 4 and 6 = 60 Now to make the fraction as like fractions divide the L.C.M. by the denominator of fractions, then multiply both the numerator and denominator of fraction with the number get after dividing L.C.M. As in fraction 2/5 denominator is 5 Divide 60 ÷ 5 = 12 Now, multiply both numerator and denominator by 12 = 2 × 12/5× 12 = 24/60 Similarly, 1/3= 1 ×20 /3× 20 = 20/60 (because 60 ÷ 3 = 20) -3/4= -3×15/4×15 = -45/60 (because 60÷ 4 = 15) and 1/6 = 1× 10/6 × 10 = 10/60 (because 60 ÷ 6 =10) Now, we compare the like fractions 24/60, 12/60, -45/60 and 10/60 Comparing numerators, we find that -45 < 10 <20 < 24 Therefore, -45/60 <10/60< 20/60 < 24/60 or -3/4 < 1/6 < 1/3 > 2/5 The ascending order of the fractions is -3/4< 1/6 < 1/3 < 2/5.

Yuvraj Singh 5 years, 5 months ago

Hii

Ramsevak Kumar 5 years, 5 months ago