In this chapter, we provide RD Sharma Class 8 Solutions Chapter 5 Playing With Numbers Ex 5.1 for English medium students, Which will very helpful for every student in their exams. Students can download the latest RD Sharma Class 8 Solutions Chapter 5 Playing With Numbers Ex 5.1 Maths pdf, free RD Sharma Class 8 Solutions Chapter 5 Playing With Numbers Ex 5.1 Maths book pdf download. Now you will get step by step solution to each question.

Textbook | NCERT |

Class | Class 8 |

Subject | Maths |

Chapter | Chapter 5 |

Chapter Name | Playing With Numbers |

Exercise | Ex 5.1 |

**RD Sharma Solutions for Class 8 Chapter 5 Playing With Numbers Ex 5.1** **Download PDF**

**Question 1.****Without performing actual addition and division, write the quotient when the sum of 69 and 96. is divided by****(i) 11****(ii) 15****Solution:**

Two numbers are 69 and 96 whose digits are reversed Here a = 6,= 9

(i) Sum if 69 + 96 is divisible by 11, then quotient = a + 6 = 6 + 9 = 15

(ii) If it is divided by a + b i.e., 6 + 9 = 15, then quotient = 11

**Question 2.****Without performing actual computations, find the quotient when 94 – 49 is divided by****(i) 9****(ii) 5****Solution:**

Two given numbers are 94 and 49. Whose digits are reversed.

(i) If 94 – 49 is divided by 9, then the quotient = a-b = 9-4 = 5

(ii) and when it is divided by a – b i.e. 9-4 = 5, then quotient will be = 9

**Question 3.If sum of the number 985 and two other numbers obtained by arranging the digits of 985 in cyclic order is divided by 111, 22 and 37 respectively. Find the quotient in each case.**

**Solution:**

The given number is 985

The other two numbers by arranging its digits

in cyclic order, will be 859, 598 of the form

abc¯¯¯¯¯¯¯,bca¯¯¯¯¯¯¯,cba¯¯¯¯¯¯¯

Therefore,

If 985 + 859 + 598 is divided by 111, then quotient will bea + 6 + c = 9 + 8 + 5 = 22

If this sum is divided by 22, then the quotient = 111

and if it is divided by 37, then quotient = 3 (a + b + c) = 3 (22) = 66

**Question 4.****Find the quotient when difference of 985 and 958 is divided by 9.****Solution:**

The numbers of three digits are

985 and 958 in which tens and ones digits are reversed, then

abc¯¯¯¯¯¯¯−acb¯¯¯¯¯¯¯ = 9 (b – c)

985 – 958 = 9 (8 – 5) = 9 x 3

i. e., it is divisible by 9, then quotient = b-c =8-5=3

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**All Subject NCERT Solutions For Class 8**

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