Everyday in his business a merchant had to weigh amounts
from 1 kg to 121 kgs, to the nearest kg. What are the
minimum number of different weights required and how heavy
should they be?
Answers were Sorted based on User's Feedback
Answer / guest
The minimum number is 5 and they should weigh 1, 3, 9, 27
and 81 kgs
Is This Answer Correct ? | 43 Yes | 8 No |
Answer / ankit jain
if weighing scale can have weights on one side only then
its 1,2,4,8,16,32,64 i.e. 7 weights...but if weights can be
put on both sides then its 1,3,9,27,81 i.e. 5
Is This Answer Correct ? | 15 Yes | 0 No |
Answer / the gr8 sam
Answer should be -
1,2,4,8,16,32,64
so the total number is 7 weights.
Is This Answer Correct ? | 6 Yes | 7 No |
Answer / ram
It should be , all prime noumbers existing from 1 to 121
required to do this job
or only 1Kg of different(121) pieces suffice to this work
Is This Answer Correct ? | 4 Yes | 11 No |
A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396. What is the sum of the three digits?
A cube painted on all six sides by red color is divided into 125 equal cubes find i) number of cubes having a)3 faces colored b)2 faces colored c) 1 face colored d)0 faces colored ii)Find probability of picking a cube having red face
There is a perfect sphere of diameter 40 cms. resting up against a perfectly straight wall and a perfectly straight floor i.e. the wall and the floor make a perfect right angle. Can a perfect sphere of diameter 7 cms. pass through the space between the big sphere, the wall and the floor? Support your answer with valid arguments. Don't submit just "Yes" or "No".
agar aapse wo insaan i love you kahe jis se aap pyar nahi karte to aap uska bina dil dukhaye kya jawab doge?
There are two types of gangs one gang members always say truth others are liers u come accross a&b 1.a says "atleast one of us lier" a&b belongs to which gang??
9 9 9 9 5 5 5 5 3 3 3 3 1 1 1 1 is me se kin 6 number ka total 21 hota he..? its challange..
53 Answers Bhel, TCS, TGB,
How many squares are there in a 5 inch by 5 inch square grid? Note that the grid is made up of one inch by one inch squares.
What is the smallest whole number that, when divided by 2, leaves a remainder of 1; when divided by 3, leaves a remainder of 2; and so on, up to leaving a remainder of 9 when divided by 10?
24 Answers ASD Lab, Athena Health Care,
You have 13 balls which all look identical. All the balls are the same weight except for one. Using only a balance scale, can find the odd one out with only 3 weighings? Is it possible to always tell if the odd one out is heavier or lighter than the other balls?
At 6o'clock ,a watch strokes 6 times.The time between first and last is 30secs.At midnight 12o' clock how much time for all strokes?
Replace the letters with the correct numbers. T W O X T W O --------- T H R E E
Five horses ran in the race. ? There were no ties. ? Sikandar did not come first. ? Star was neither first nor last. ? Mughal Glory came in one place after Sikandar. ? Zozo was not second. ? Rangila was two place below Zozo. In what order did the horses finish?