07:25

एक परिवार ने जिसकी मासिक आय ₹20000 है, विभिन्न मदों के अंतर्गत हर महीने होने वाले खर्च की योजना

02:37

नवीं कक्षा के 40 विद्यार्थियों से उनके जन्म का महीना बताने के लिए कहा गया। इस प्रकार प्राप्त आंकड़ों

01:18

8th MATHS NCERT ll Chapter 2: Linear Equations In One Variable ll Exercise 2.1,2.2 ll Example ll

03:27

Simplify and solve the following linear equations.0.25(4f - 3) = 0.05(10f − 9)

02:47

Simplify and solve the following linear equations. 3(5z - 7) - 2(9z – 11) = 4(8z – 13) – 17

02:29

Simplify and solve the following linear equations. 15(y - 4) - 2(y - 9) + 5(y + 6) = 0

01:55

Simplify and solve the following linear equations. 3(t - 3) = 5(2t + 1)

04:19

Solve the following linear equations. m - (m - 1)/2 = 1 - (m - 2)/3

03:59

Solve the following linear equations. (3t - 2)/4 - (2t + 3)/3 = 2/3 - t

01:32

Solve the following linear equations. (x - 5)/3 = (x - 3)/5

03:13

Solve the following linear equations. x + 7 - (8x)/3 = 17/6 - (5x)/2

02:14

Solve the following linear equations. n/2 - (3n)/4 + (5n)/6 = 21

02:31

Solve the following linear equations. x/2 - 1/5 = x/3 + 1/4

03:56

Solve 5x - 2(2x - 7) = 2(3x - 1) + 7/2

03:23

Solve (6x + 1)/3 + 1 = (x - 3)/6

01:26

Solve the following equations and check your results. 3m = 5m - 8/5

01:27

Solve the following equations and check your results. 2y + 5/3 = 26/3 - y

01:49

Solve the following equations and check your results. (2x)/3 + 1 = (7x)/15 + 3

01:26

Solve the following equations and check your results. x = 4/5 × (x + 10)

02:21

Solve the following equations and check your results. 8x + 4 = 3 (x – 1) + 7

01:09

Solve the following equations and check your results. 2x - 1 = 14 – x

00:57

Solve the following equations and check your results. 4z+ 3 = 6 + 2z.

01:17

Solve the following equations and check your results. 5x + 9 = 5 + 3x

01:33

Solve the following equations and check your results. 5t-3 = 3t – 5

00:58

Solve the following equations and check your results. 3x = 2x + 18

02:40

Solve 5x + 7/2 = 3/2 * x - 14

01:32

Solve 2x - 3 = x + 2

02:13

8th MATHS NCERT ll Chapter 1: Rational Numbers ll Exercise 1.1 ll Example ll

01:19

The product of two rational numbers is always a _____.

01:53

Tell what property allows you to compute 1/3 * (6 * 4/3) as (1/3 * 6) * 4/3

03:16

Name the property under multiplication used in each of the following.

01:14

The role of 1

01:53

The role of zero (0)

05:17

Find 2/5 * (- 3/7) - 1/14 - 3/7 * 3/5 By Commutativity and Distributivity

02:34

Find using distributivity.(ⅲ) {9/16 * 4/12} + {9/16 * (- 3/9)}

02:39

Find using distributivity. (i) {7/5 * (- 3/12)} + {7/5 * 5/12}

02:01

Distributivity of Multiplication over Addition and Subtraction a(b + c) =ab + ac, a(b - c) = ab - ac

04:52

Find - 4/5 * 3/7 * 15/16 * (- 14/9) By commutative and associative property

07:30

Find 3/7 + (-6/11) + (-8/21) + (5/22) By commutative and associative property

08:28

Associativity Property in Whole Numbers l Addition is associative, Subtraction is not associative

05:55

Commutativity Property in Whole Numbers ll Addition is commutative.Subtraction is not commutative.

04:44

Find 2/5 × (- 3/7) - 1/14 - 3/7 × 3/5 ll fraction ll how to find fraction ll fraction question ll

02:15

Find - 4/5 × 3/7 × 15/16 × (- 14/9) ll fraction ll how to find fraction ll fraction question ll

00:49

9th MATHS ll NCERT ll Chapter 1: Number System ll Exercise 1.1,1.2,1.3,1.4,1.5 ll Example ll

04:47

Simplify:(i) 2⅔.2⅕ (ii) (1/3³)⁷ (iii) 11½/11¼ (iv) 7½.8½. ll law of exponents ll

04:01

Find: (i) 9^3/2 (ii) 32⅖ (iii) 16¾ (iv) 125(-⅓) ll law of exponents ll

03:09

Find:(i) 64½ (ii) 32⅕ (iii) 125⅕. ll law of exponents ll

04:17

Simplify (i) 2⅔.2⅓ (ii) (3⅕)⁴ (iii) 7⅕/7⅓ (iv) 13⅕.17⅕ || law of exponents ||

04:16

Law of Exponents(i) a^m. a^n = a^(m+n) (ii)(a^m)^n=a^(mn) (iii) a^m/a^n = a^(m-n)

05:31

Rationalize the denominators of the following:(i) 1/√7(ii)1/(√7 - √6)(iii) 1/(√5 + √2)(iv)1/(√7 - 2)

04:52

Represent √9.3 on the number line.

07:03

Recall, π is defined as the ratio of the circumference (say c) of a circle to its diameter (say d).

04:39

Simplify each of the following expressions:(i) (3 + sqrt(3))(2 + sqrt(2))

04:39

Classify the following numbers as rational or irrational:(i) 2 - √5 (ii) (3 + √23) - √23

02:38

Rationalise the denominator of 1/(7 + 3√2)

02:45

Rationalise the denominator of 5/(√3-√5)

02:17

Rationalise the denominator of 1/(2 + √3)

01:13

Rationalise the denominator of 1/√2

04:53

Simplify the following expressions:(i) (5 + √7) (2 + √5) (ii) (5+√5) (5-√5) (iii) (√3 + √7)²

01:06

Divide 8√15 by 2√3.