New Mathematics Today Class 7>Chapter 11 - Algebraic Expressions>Mental Maths

O P Malhotra, S K Gupta and, Anubhuti Gangal Solutions for Chapter: Algebraic Expressions, Exercise 6: Mental Maths

Author:O P Malhotra, S K Gupta & Anubhuti Gangal

O P Malhotra Mathematics Solutions for Exercise - O P Malhotra, S K Gupta and, Anubhuti Gangal Solutions for Chapter: Algebraic Expressions, Exercise 6: Mental Maths

Attempt the free practice questions on Chapter 11: Algebraic Expressions, Exercise 6: Mental Maths with hints and solutions to strengthen your understanding. New Mathematics Today Class 7 solutions are prepared by Experienced Embibe Experts.

Questions from O P Malhotra, S K Gupta and, Anubhuti Gangal Solutions for Chapter: Algebraic Expressions, Exercise 6: Mental Maths with Hints & Solutions

EASY

7th ICSE

IMPORTANT

New Mathematics Today Class 7>Chapter 11 - Algebraic Expressions>Mental Maths>Q 1

Simplify : $(3 x - 5 y) (4 x + 7 y)$

EASY

7th ICSE

IMPORTANT

New Mathematics Today Class 7>Chapter 11 - Algebraic Expressions>Mental Maths>Q 2

If $x = - 1, y = 2, z = - 2$ , find the value of $x^{3} + y^{3} + z^{3}$ .

EASY

7th ICSE

IMPORTANT

New Mathematics Today Class 7>Chapter 11 - Algebraic Expressions>Mental Maths>Q 3

How much is $4 x^{3} - 2 x^{2} + 7 x + 2$ less than $8 x^{3} + 4 x^{2} - 5 x + 5$ ?

EASY

7th ICSE

IMPORTANT

New Mathematics Today Class 7>Chapter 11 - Algebraic Expressions>Mental Maths>Q 4

What should be added to $3 x^{2} - 4 x y + 6 y^{2}$ to get $2 x^{2} - 3 x y - y^{2}$ ?

EASY

7th ICSE

IMPORTANT

New Mathematics Today Class 7>Chapter 11 - Algebraic Expressions>Mental Maths>Q 5

Divide: $3 a^{2} - 7 a + 2$ by $a - 2$ .