? 0.289 / 0.00121
= ? 0.28900 / 0.00121
= ? 28900 / 121
= 170 / 11
Given expression =?(0.324 x 0.081 x 4.624) / (1.5625 x 0.0289 x 72.9 x 64)
= ?( 324 x 81 x 4624) / (15625 x 289 x 729 x 64)
= ?9 / 15625
= 3 /125
= 0.024
Exp. = (.35 x .0015) / (.25 x .07)
= ( 35 x 15) / (25 x 7 x 100)
= (3/100) x 100 %
= 3%
16/19 =0.842,
11/14 =0.785 and
17/22 = 0.772
? 0.772 < 0.785 < 0.842
or 17/22 < 11/14 < 16/19.
The given number are 0.54,1.80 and 7.20
So given number can be represented as fraction 54/100, 180/100 and 720/100
H.C.F. of 54, 180 and 720 is 18
? H.C.F. of given number= 18 / 100
= 0.18
0.2341 = (2341 - 2) / 9990 = 2339/9990
?4096/100+ ?4096/10000 + ?4096/1000000 + ?4096/100000000
=?4096 / 10 + ?4096/ 100 + ?4096/ 1000 + ?4096/ 10000
=64/10 + 64/100 + 64/1000 + 64/10000
=6.4 + .64 + .064 + .0064
= 7.1104
?5/3 = ?15/9
= ?15/3
= 3.88/3
= 1.29
Given expression = 3?5 / 2?5 - 0.48
= (3 x 2.24) / (2 x 2.24) - 0.48
= 6.72 / 4.48 - 0.48
= 6.72 / 4
= 1.68
122.76 / 15.50 = 12276/1550
= (12276 / 155) x (1/10)
= 79.2 / 10
= 7.92
Given expression = [ (.538)2 - (.462)2 ] / .076
= [(.538 + .462)(.538 - .462)] /.076
=.076 / .076
= 1
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