NCERT Class 8
2. Classify the following polynomials as monomials, binomials, trinomials. Which polynomials do not fit in any of these three categories? x + y, 1000, x + x^2 + x^3 + x^4 , 7 + y + 5x, 2y – 3y^2 , 2y – 3y^2 + 4y^3 , 5x – 4y + 3xy, 4z – 15z^2 , ab + bc + cd + da, pqr, p^2q + pq^2 , 2p + 2q
11
Oct
2. Classify the following polynomials as monomials, binomials, trinomials. Which polynomials do not fit in any of these three categories? x + y, 1000, x + x^2 + x^3 + x^4 , 7 + y + 5x, 2y – 3y^2 , 2y – 3y^2 + 4y^3 , 5x – 4y + 3xy, 4z – 15z^2 [...]
Tags:
1000 ,
2. Classify the following polynomials as monomials ,
2p + 2q ,
2y – 3y^2 ,
2y – 3y^2 + 4y^3 ,
4z – 15z^2 ,
5x – 4y + 3xy ,
7 + y + 5x ,
ab + bc + cd + da ,
binomials ,
p^2q + pq^2 ,
pqr ,
trinomials. Which polynomials do not fit in any of these three categories? x + y ,
x + x^2 + x^3 + x^4 ,
3. Add the following. (i) ab – bc, bc – ca, ca – ab
11
Oct
3. Add the following. (i) ab – bc, bc – ca, ca – ab 3. Add the following. (i) ab – bc bc – ca ca – ab October 11, 2020 Category: Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
2. Classify the following polynomials as monomials, binomials, trinomials. Which polynomials do not fit in any of these three categories? x + y, 1000, x + x^2 + x^3 + x^4 , 7 + y + 5x, 2y – 3y^2 , 2y – 3y^2 + 4y^3 , 5x – 4y + 3xy, 4z – 15z^2 , ab + bc + cd + da, pqr, p^2q + pq^2 , 2p + 2q
11
Oct
2. Classify the following polynomials as monomials, binomials, trinomials. Which polynomials do not fit in any of these three categories? x + y, 1000, x + x^2 + x^3 + x^4 , 7 + y + 5x, 2y – 3y^2 , 2y – 3y^2 + 4y^3 , 5x – 4y + 3xy, 4z – 15z^2 [...]
Tags:
1000 ,
2. Classify the following polynomials as monomials ,
2p + 2q ,
2y – 3y^2 ,
2y – 3y^2 + 4y^3 ,
4z – 15z^2 ,
5x – 4y + 3xy ,
7 + y + 5x ,
ab + bc + cd + da ,
binomials ,
p^2q + pq^2 ,
pqr ,
trinomials. Which polynomials do not fit in any of these three categories? x + y ,
x + x^2 + x^3 + x^4 ,
12. A scooter was bought at Rs.42,000. Its value depreciated at the rate of 8% per annum. Find its value after one year.
11
Oct
12. A scooter was bought at Rs.42,000. Its value depreciated at the rate of 8% per annum. Find its value after one year. 000. Its value depreciated at the rate of 8% per annum. Find its value after one year. 12. A scooter was bought at Rs.42 October 11, 2020 Category: Chapter 7 - Cubes [...]
11. In a laboratory, the count of bacteria in a certain experiment was increasing at the rate of 2.5% per hour. Find the bacteria at the end of 2 hours if the count was initially 5,06,000.
11
Oct
11. In a laboratory, the count of bacteria in a certain experiment was increasing at the rate of 2.5% per hour. Find the bacteria at the end of 2 hours if the count was initially 5,06,000. 000. 06 11. In a laboratory the count of bacteria in a certain experiment was increasing at the rate [...]
8. Find the amount and the compound interest on Rs.10,000 for 1 1/2 years at 10% per annum, compounded half yearly. Would this interest be more than the interest he would get if it was compounded annually?
11
Oct
8. Find the amount and the compound interest on Rs.10,000 for 1 1/2 years at 10% per annum, compounded half yearly. Would this interest be more than the interest he would get if it was compounded annually? 000 for 1 1/2 years at 10% per annum 8. Find the amount and the compound interest on [...]
7. Maria invested Rs.8,000 in a business. She would be paid interest at 5% per annum compounded annually. Find: (i) The amount credited against her name at the end of the second year. (ii) The interest for the third year.
11
Oct
7. Maria invested Rs.8,000 in a business. She would be paid interest at 5% per annum compounded annually. Find: (i) The amount credited against her name at the end of the second year. (ii) The interest for the third year. 000 in a business. She would be paid interest at 5% per annum compounded annually. [...]
6. Arif took a loan of Rs.80,000 from a bank. If the rate of interest is 10% per annum, find the difference in amounts he would be paying after 1 1/2 years if the interest is: (i) compounded annually. (ii) compounded half yearly.
11
Oct
6. Arif took a loan of Rs.80,000 from a bank. If the rate of interest is 10% per annum, find the difference in amounts he would be paying after 1 1/2 years if the interest is: (i) compounded annually. (ii) compounded half yearly. 000 from a bank. If the rate of interest is 10% per [...]
5. Vasudevan invested Rs.60,000 at an interest rate of 12% per annum compounded half yearly. What amount would he get: (i) after 6 months? (ii) after 1 year?
11
Oct
5. Vasudevan invested Rs.60,000 at an interest rate of 12% per annum compounded half yearly. What amount would he get: (i) after 6 months? (ii) after 1 year? 000 at an interest rate of 12% per annum compounded half yearly. What amount would he get: (i) after 6 months? (ii) after 1 year? 5. Vasudevan [...]
4. I borrows Rs.12,000 from Jamshed at 6% per annum simple interest for 2 years. Had I borrowed this sum at 6% per annum compound interest, what extra amount would I have to pay?
11
Oct
4. I borrows Rs.12,000 from Jamshed at 6% per annum simple interest for 2 years. Had I borrowed this sum at 6% per annum compound interest, what extra amount would I have to pay? 000 from Jamshed at 6% per annum simple interest for 2 years. Had I borrowed this sum at 6% per annum [...]