**Algebraic Expressions Class 7 Mathematics Extra Question and Answers for CBSE / NCERT Board Students**

Algebraic Expressions Extra Questions and Answers for Class 7 Level Students of CBSE / NCERT Board Published in this Page. Here we provided 01 Marks that’s mean MCQ Type Questions and their Solution And Long Answer Type Questions & Solution. Class VII Students can follow this Page.

__Long Answer Type Extra Questions__

__Long Answer Type Extra Questions__

**(1) If P = a ^{2} – b^{2} + 2ab, Q = a^{2} + 4ab^{2} – 6ab, R = b^{2} + b, s= 2 T = -2 a^{2} + b – ab + a, find P + Q + R + S – T.**

**(2) If x = a ^{3} + 3ab – 4ab^{3} andy = 2a^{3} – 6ab^{3} – b^{3} + 4a^{3} than determine 2x – 3y **

**(3) Amit sold motorbike for Rs 42×2 + 20y + 17. If the loss is Rs 10, what is the cost of motorbike ? **

**(4) The length and breadth of a rectangular are 2×2 – 2y + 5 and -4×2 + 8y-2. Find the perimeter of the rectangle. What will be the perimeter of rectangle if x = 1 And y = 2 ?**

**Solution:**

__MCQ Type __

__MCQ Type__

**(1) If m= -2, value of 4m ^{3} + 2m^{2} – 10 is **

**(a) -32 **

**(b) – 34 **

**(c) 40**

**(d) 30 **

**(2) Sum of 3m and 2n is **

**(a) 5mn **

**(b) 3m+2n **

**(c) 5m **

**(d) 5n**

**(3) The number of terms in 4p ^{2}q – 3qp^{2} + 5is **

**(a) 2**

**(b) 3**

**(c) 5**

**(d) 1**

**(4) The expression for sum of numbers a and b subtracted from their products is **

**(a) a + b-ab **

**(b) ab – a+b**

**(c) ab – (a+b) **

**(d) ab + a-b.**

**In case you are missed :- Previous Chapter Extra Questions**

**(5) Algebraic expression x ^{2} + 5x^{2} is a **

**(a) Monomial **

**(b) binomial **

**(c) Trinomial **

**(d) None of the above **

__Short Answer Type Extra Questions__

__Short Answer Type Extra Questions__

**(1) Rashi bought an item for Rs xy – 2xy ^{2}, Siya bought another item and paid Rs 2xy^{2} + x^{2} more than Rashi. Find the amount paid by siya **

**(2) Verify : (x-y) ^{2} = x^{2} – 2xy + y^{2} for x = 4, y = 1. **

**(3) Multiply these algebraic expressions : **

**(m – 2n ) (mn ^{2} – 2m + n ) **

**(4) write the terms and factors of : – 4x ^{3 }y – 4x^{2}y^{2}**

**(5) Subtract the sum of x-4xy + z and 2xy + 2xy + 2z -4x from the sum of -6x + 4z and -18 z.**

**Solution:**

__Very Short Answer Type Extra Questions__

__Very Short Answer Type Extra Questions__

**(1) Find the value of the following expression for a = 3, b=2; 7a -4b **

**(2) Subtract 4a – 7ab + 3b + 12 from 12 a – 9ab + 5b – 3 **

**(3) Add 7xy + 5yz – 3xz; 4yz + 9zx – 4y, -3xz + 5x – 2xy. **

**(4) When 2x-4x ^{2}y^{2}+1 taken away from P, the resulting expression is 4x + x2y^{2} -3. Find P **

**(5) The sum of two algebraic expressions is 6x ^{3} – 2xy + 4y^{2}, if one of the expressions is 4xy – 2y2 then find the other expression.**

**Solution:**

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**In case you are missed :- Next Chapter Extra Questions**

Thank you.

can you please check the answer of short answer type 5th question . because I think this is wrong

Question konsa – 6xt + 4z wo wala