NCERT Class 7

In a class test containing 10 questions, 5 marks are awarded for every correct answer and (-2) marks are awarded for every incorrect answer and 0 for questions not attempted. (iii) Heena gets two correct answers and five incorrect answers out of seven questions she attempts. What is her score ? Find the product In [...]

In a class test containing 10 questions, 5 marks are awarded for every correct answer and (-2) marks are awarded for every incorrect answer and 0 for questions not attempted. (ii) Reshma gets five correct answers and five incorrect answers, what is her score? 5 marks are awarded for every correct answer and (-2) marks [...]

In a class test containing 10 questions, 5 marks are awarded for every correct answer and (-2) marks are awarded for every incorrect answer and 0 for questions not attempted. (i) Mohan gets four correct and six incorrect answers. What is his score? Find the product In a class test containing 10 questions using suitable [...]

A certain freezing process requires that room temperature be lowered from 40 degree C at the rate of 5 degree C every hour. What will be the room temperature 10 hours after the process begins ? A certain freezing process requires that room temperature be lowered from 40 degree C at the rate of 5 [...]

Find the product, using suitable properties: h) ( – 57 ) × ( – 19 ) + 57 Find the product using suitable properties: h) ( – 57 ) × ( – 19 ) + 57 October 7, 2020 Category: Chapter 1 - Integers , Maths , NCERT Class 7 ,

Find the product, using suitable properties: g) ( – 17 ) × ( – 29 ) Find the product using suitable properties: g) ( – 17 ) × ( – 29 ) October 7, 2020 Category: Chapter 1 - Integers , Maths , NCERT Class 7 ,

Find the product, using suitable properties: f) 7 × ( 50 – 2 ) Find the product using suitable properties: f) 7 × ( 50 – 2 ) October 7, 2020 Category: Chapter 1 - Integers , Maths , NCERT Class 7 ,

Find the product, using suitable properties: e) 625 × – 35 × ( – 625 ) × 65 Find the product using suitable properties: e) 625 × – 35 × ( – 625 ) × 65 October 7, 2020 Category: Chapter 1 - Integers , Maths , NCERT Class 7 ,

Find the product, using suitable properties: d) ( – 41 ) × 102 Find the product using suitable properties: d) ( – 41 ) × 102 October 7, 2020 Category: Chapter 1 - Integers , Maths , NCERT Class 7 ,

Find the product, using suitable properties: c) 15 × ( – 25 ) × ( – 4 ) × ( – 10 ) Find the product using suitable properties: c) 15 × ( – 25 ) × ( – 4 ) × ( – 10 ) October 7, 2020 Category: Chapter 1 - Integers , [...]