A IS TWICE AS GOOD A WORKMAN AS B AND TOGETHER THEY FINISH A
PIECE OF WORK IN 14 DAYS.THE NUMBER OF DAYS TAKEN BY A ALONE
TO FINISH THE WORK IS
1.11 2.21 3.28 4.42
Answers were Sorted based on User's Feedback
Answer / k.prakashchandra
This problem can be solved using fractions also.Work done in
one day is 1/14. Out of this, A' contribution is 2/3and of B
itis 1/3.So A does 1/14 x 2/3 i.e. 2/42 of the work and B
1/42.Hence A alone takes 21 days to complete the work ,and B
42 days.
| Is This Answer Correct ? | 19 Yes | 4 No |
Answer / k.prakashchandra
Take 2 men for A. Then 3:14 :: 2 : ? ,14 x 3/2= 21 days
| Is This Answer Correct ? | 17 Yes | 4 No |
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Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV
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