Question

Arithmetic Revision
1. Find the H.C.F of the given no By the Prime Factorization Method .
105,140,175
2.Shila has to Stitch Dresses. So Far She has Stitched 21 Dresses. What Fraction is Left?
3. Show 1/8, 2/8,3/8,7/8 on the Number Line.
4.Arrange In descending order 2/3,5/6,5/8,9/14
5.Six men pack 312 Parcels per day. Find the number of Parcels packed in a day by 11 men.
6.Find the Value of -15-(-2)-71-(-8)+6.
7. The population of a village is 4800 , If the number of Female is 2160, Find the ratio of male to Female​

Answer 1

Step-by-step explanation:

1 ) Prime factorisation of given numbers are :

105=3×5×7

140=2×2×5×7

165=5×5×7

Notice that 5 occurs as a common prime factor at least factor one time and 7 one time in given numbers.

∴ H.C.F =5×7=35

2 ) 3/5 fraction

Step-by-step explanation:

she stitched 21/35 dresses

which can be divided by 7

=3/5 fraction

3] please referee the above number line

4] 9/14 , 5/8 , 5/6, 2/3

5] 572

step-by-step explanation:

no of parcels packed by 6 men is 312 no if parc packed by 1 man is 312/6 no of parcels packed by 11 men

11x312/6

=572

hope it helps

7] 2 picture Which is above

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