NCERT Solutions Class 8 Mathematics Chapter 16 Playing with Numbers

Exercise 16.1 Q.1) Find the values of the letters in the following and give reasons for the steps involved. Sol.1) i) On putting A = 1, 2, 3, 4, 5, 6, 7 and so on and we get, 7 + 5 = 12 in which ones place is 2. ∴ 𝐴 = 7 And putting 2 and carry over 1, we get B = 6 Hence, A…

CBSE Class 8 Mathematics Playing With Numbers Worksheet Set C

  CBSE Class 8 Mathematics Worksheet - Playing with Numbers (1) Worksheets have become an integral part of the education system. Worksheets are very critical for every student to practice his/ her concepts. Students, teachers and parents can download all CBSE…

CBSE Class 8 Mathematics Playing with Numbers MCQs

Question. Find the value of ‘A’ & ‘B’ from the following ?  (i) 2 & 3 (ii) 7 & 6 (iii) 8 & 6 (iv) 1 & 7 Question. Find the value of ‘A’ & ‘B’ from the following ? (i) 7 & 4 (ii) 7 & 2 (iii) 2 & 6 (iv) 4 & 7 Question. Find the…

CBSE Class 8 Mathematics Playing With Numbers Worksheet Set B

Question. When is a number always divisible by 90? (A) If it is divisible by both 2 and 45. (B) If it is not divisible by both 5 and 18. (C) If it is not divisible by both 9 and 10. (D) If it is divisible by 3 and 20. Answer : A Question. 32 + m is a prime number. What is the…

CBSE Class 8 Mathematics Playing with Numbers Assignment Set A

Playing with Numbers   Question. Find A and B in addition Answer : A = 5, B = 1 Question. What least number should be added to smallest four digit number to make it exactly divisible by 11. Answer : 1 Question. What is the greatest two digit number…

CBSE Class 8 Mathematics Playing with Numbers Assignment Set B

Question. The number (10n – 1) is divisible by 11 for ___. (A) n ∈ N (B) Odd values of n (C) Even values of n (D) n is the multiple of 11 Answer : C Question. Suppose that the division N ÷ 5 leaves a remainder of 4 and the division N ÷ 2 leaves a remainder of 1…

CBSE Class 8 Mathematics Playing with Numbers Assignment Set C

Questions carrying 1 mark each :- Q.1 Each digit of a number has a________ value. Q.2 Write 750 in generalised form. Questions carrying 2 marks each : Q.3 Check the divisibility of 235 by 3. Q.4 Find the values of a and b in the following :    2 9 + b a…