Class 8 ncert maths exemplar solutions

    • [PDF File]Unit-8 Exponents and Powers - NCERT

      https://info.5y1.org/class-8-ncert-maths-exemplar-solutions_1_84c0fe.html

      Solution 2–7 (b) 72 (c) – 27 (d) – 27 : The Correct answer is (a). : The human body has about 100 billion cells. This number (d) 10–9 can be written in exponential form as 10–11 (b) 1011 (c) 109 : The correct answer is (b). In examples 3 to 5, fill in the blanks to make the statements true. Example 3 4 : (–4) 4 5 × = ______ 4


    • [PDF File]NCERT Exemplar Class 8 Maths Solutions Chapter - 9

      https://info.5y1.org/class-8-ncert-maths-exemplar-solutions_1_6865de.html

      NCERT Exemplar Class 8 Maths Solutions for Chapter 9 – Comparing Quantities 5% and cups at a loss of 5%. The amount received by her is: (a) Rs 494 (b) Rs 546 (c) Rs 506 (d) Rs 534 Solution: (c) Rs 506 Explanation: Price of teapot = Rs. 120 Price of set of cups = Rs. 400 Latika sold teapot at a profit of 5%


    • [PDF File]Rational Numbers 28-07-2010 (final) - NCERT

      https://info.5y1.org/class-8-ncert-maths-exemplar-solutions_1_a24772.html

      8. Solution : 05542 6 6 4 24 − −× − == × and 7 7 3 21 88432 × == × Thus, rational numbers 19 18 17 20, , ,..... 24 24 24 24 − −− lie between 5 6 − and 7. 8 Example 15 : Identify the rational number which is different from the other three : 2 411, ,, 3523 −. Explain your reasoning. Solution : 4 5 − is the rational number ...


    • [PDF File]Unit-4 Linear Equation in one variable - NCERT

      https://info.5y1.org/class-8-ncert-maths-exemplar-solutions_1_99ace9.html

      Distance covered in 8 hours while upstream = 8(x – 2) According to the condition, 7(x + 2) = 8(x – 2) 7x + 14 = 8x – 16 x = 30 km/hr Total Distance = 7(x + 2) km = 7(30 + 2) km = 7 × 32 km = 224 km Example 10 : Distance between two stations A and B is 690 km. Two cars start simultaneously from A and B towards each


    • [PDF File]NCERT Exemplar Solutions Class 8 Maths Chapter 8 - Byju's

      https://info.5y1.org/class-8-ncert-maths-exemplar-solutions_1_a26a1b.html

      NCERT Exemplar Class 8 Maths Solutions for Chapter 8 – Exponents And Powers (By the law of exponents: a- n= 1/a ) 18. (-5/7)-5 is equal to: (a) (5/7)-5 (b) (5/7)5 (c) (7/5)5 (d) (-7/5)5 Solution: (d) (-7/5)5 Explanation: (-5/7)-5=1/(-5/7)5=(-7/5)5 (By the law of exponents: a-n = 1/an) 19. (-7/5)-1 is equal to: (a) 5/7 (b) – 5/7 (c) 7/5 (d) -7/5


    • [PDF File]QUESTION BANK for

      https://info.5y1.org/class-8-ncert-maths-exemplar-solutions_1_e199f2.html

      Prepared by: M. S. KumarSwamy, TGT(Maths) Page - 3 - PRACTICE QUESTIONS CLASS VIII: CHAPTER - 1 RATIONAL NUMBERS 1. Find 3 6 8 5 7 11 21 22 2. Find 4 3 15 14 5 7 16 9 3. Find using distributive property: 7 3 7 5 ( ) 5 12 5 12 i


    • [PDF File]Exercise Page: 9 - Byju's

      https://info.5y1.org/class-8-ncert-maths-exemplar-solutions_1_908341.html

      NCERT Exemplar Class 8 Maths Solutions Chapter 1 Rational Numbers (a) identity for addition of rational numbers. 12. To get the product 1, we should multiply (8/21) by (a) 8/21 (b) -8/21 (c) 21/8 (d) -21/8 Solution:- (c) 21/8 Because, = (8/21) × (21/8) = (8 × 21) / (21 × 8) = 168/168 = 1 13. – (-x) is same as


Nearby & related entries: