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WorkShop Calculation and Science
Module - 2: SQUARE ROOT RATIO AND PROPORTIONS PERCENTAGE
Set 3
Set 3
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Q12979
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How many days a mechanic takes to assemble 64 machines if he assembles 8 machines in 3 days?
A
20 days
B
22 days
C
24 days
D
26 days
Q12980
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What will be the rpm of smaller gear if a 180 mm dia meshes with 60 mm dia gear and the bigger gear makes 60 rpm?
A
120 rpm
B
140 rpm
C
160 rpm
D
180 rpm
Q12981
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What is the percentage of copper if the casting weight of copper 42.3 kg and tin weight 2.7 kg?
A
Cu 92%
B
Cu 94%
C
Cu 96%
D
Cu 98%
Q12982
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A motor cycle tyre is sold for Rs 300/- what is the purchase price if 25% profit is added to it.
A
Rs 200
B
Rs 220
C
Rs 240
D
Rs 260
Q12983
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What is the decimal fraction of conversion of 18.5%?
A
0.185
B
0.175
C
0.165
D
0.195
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