## S. K. Gupta Anubhuti Gangal Class 5 Math First Chapter Looking Back Exercise 4

EXERCISE 4

**(1) Divide:**

(a) 360973 ÷ 42

(b) 196997 ÷ 50

(c) 274516 ÷ 63

(d) 258277 ÷ 49

**(2) Divide and check:**

(a) 835 ÷ 39

(b) 3958 ÷ 57

(c) 30059 ÷ 48

**(3) About 13,200 babies are born in the world every hour. About how many are born in a minute?**

Solution: Here, 1 hour = 60 minutes

So, 13200 ÷ 60 = 220

Hence, 220 babies are born in a minute.

**(4) Tell which of the following meaningless operations are:**

(a) 0 ÷ 5

(c) 21 ÷ (7 – 7)

(d) 8 ÷ 0

(e) (9 – 9) ÷ 32

**(5) A girl knits 718 stitches. If there are 25 stitches in each row of knitting an hour. How many complete rows have been knitted?**

Solution:

Hence, 28 rows have been knitted with 700 stitches and 18 stitches more

**(6) A rocket travelled at a speed of 29760 kilometers an hour. How many kilometers would the rocket traveled in one minute at this speed?**

Solution: Here, 1 hour = 60 minutes

29760 ÷ 60 = 496 kilometers

Hence, the required distance is 496 kilometers.

**(7) The product of two numbers is 71424. If one number is 93, what is the other number?**

Solution: The other number = 71424 ÷ 93 = 768

Hence, the required number is 768.

**(8) In a garden there are 4,891 trees in 67 rows. If each row has the same number of trees, how many trees are there in one row?**

Solution: 4891 ÷ 67 = 73 trees

Hence, there are 73 trees in a row.

Class 5th math chepter 1 qchan number 30

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