Mathematical Problem Solving Techniques

The video tutorial covers solving various mathematical problems from NCERT textbooks, focusing on linear equations, word problems involving coins, isosceles triangles, consecutive integers, and currency notes. The instructor provides detailed explanations and encourages students to join a Telegram channel for additional resources. The session concludes with a homework assignment to reinforce learning.

What is the main focus of the session introduced at the beginning?

• Algebraic identities

• Trigonometry concepts

• NCERT questions and examples

• Geometry problems

Which method is NOT mentioned as a way to solve linear equations?

• Graphical method

• Transposing method

• Cross-multiplication

• Addition and subtraction

If Bansi has three times as many two-rupee coins as five-rupee coins, and the total is 77 rupees, how many two-rupee coins does he have?

• 28

• 14

• 7

• 21

In the problem involving an isosceles triangle, what is the length of each of the equal sides if the base is 4/3 cm and the perimeter is 4 2/15 cm?

• 7/5 cm

• 9/5 cm

• 8/5 cm

• 10/5 cm

What is the smallest integer in the sequence if three consecutive integers are multiplied by 2, 3, and 4 respectively, and their sum is 74?

• 5

• 6

• 7

• 8

Lakshmi has currency notes in the ratio 2:3:5 for denominations 100, 50, and 10. If the total cash is 4 lakh, how many 100 rupee notes does she have?

• 2000

• 1000

• 3000

• 4000

What is the value of 'f' in the equation 0.25(4f - 3) = 0.05(10f - 9)?

• 0.5

• 0.4

• 0.6

• 0.7

Hussan buys cloth materials for uniforms. If he buys 2x meters of trouser material, how much shirt material does he buy?

• 4x meters

• 3x meters

• 2x meters

• x meters

In the rational number problem, if the numerator is x and the denominator is x+8, what is the rational number when x is 13?

• 13/21

• 13/24

• 13/22

• 13/23

What is the homework assignment given at the end of the session?

• Solve a linear equation

• Solve a geometry problem

• Write an essay

• Read a chapter