If A runs 880 meter then B runs 840 meters and C runs 798 meters.
? B runs 840 m while C 798 m
? B runs 880 m while C 798 * 880 / 840 = 836 m
Now, 880 ? 836 = 44 m
Hence, C runs 44 m in 9 seconds
? C runs 880 m in 9 * 880 / 44 = 180 sec. = 3 min.
47/10000 = .0047
.02 =(2/100) x 100% =2%
Let N / 11 = 233
Then, N = 233 x 11 = 2563
? Missing digit is 5.
121012 = 12 x 10084 + 4
? remainder = 4
We have the important relation, More work, More time (days)
? A piece of work can be done in 6 days.
? Three times of work of same type can be done in 6 x 3
= 18 days
? = 750.0003 ÷ 19.999
? ? ? 750 ÷ 20
? ? ? 375 ? 38
Subtract 20, 25, 30, 35, 40, 45 from successive numbers. So 0 is wrong.
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