**Three boys step off together from the same spot. Their steps measure 63 cm, 70 cm and 77 cm respectively. What is the minimum distance each should cover so that all can cover the distance in complete steps?**

# Archives for April 2014

## Ncert Solutions Class 6th Chapter 3 Playing with Numbers Exercise 3.7 Question 1

**Renu purchases two bags of fertiliser of weights 75 kg and 69 kg. Find the maximum value of weight which can measure the weight of the fertiliser exact number of times.**

## Ncert Solutions Class 6th Chapter 3 Playing with Numbers Exercise 3.6 Question 3

**HCF of co-prime numbers 4 and 15 was found as follows by factorisation:**

**4 = 2 × 2 and 15 = 3 × 5 since there is no common prime factor, so HCF of 4 and 15 is 0. Is the answer correct? If not, what is the correct HCF?**

## Ncert Solutions Class 6th Chapter 3 Playing with Numbers Exercise 3.6 Question 2

## Ncert Solutions Class 6th Chapter 3 Playing with Numbers Exercise 3.6 Question 1

**Find the HCF of the following numbers:**

**(a) 18, 48 (b) 30, 42 (c) 18, 60 (d) 27, 63 (e) 36, 84 (f) 34, 102 (g) 70, 105, 175**

**(h) 91, 112, 49 (i) 18, 54, 81 (j) 12, 45, 75**

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