If the price of a commodity is decreased by 20% and its consumption is increased by 20%, what will be the increase or decrease in expenditure on the commodity?
Deepali Das from Aurangabad, India is saying 4% increase is correct answer
Dinesh Garg from Jind, India is saying 4% decrease is correct answer
Sarat Barik from India is saying 4% increase is correct answer
Rahulkumar from Jalandhar, India is saying 4% decrease is correct answer
Chhavi Jain from Jaipur, India is saying 4% increase is correct answer
In a competitive examination in State A, 6% candidates got selected from the total appeared candidates. State B had an equal number of candidates appeared and 7% candidates got selected with 80 more candidates got selected than A. What was the number of candidates appeared from each State ?
- [A] 7600
- [B] 8000
- [C] 8400
- [D] 8800
A college has raised 75% of the amount it needs for a new building by receiving an average donation of Rs. 600 from the people already solicited. The people already solicited represent 60% of the people, the college will ask for donations. If the college is to raise exactly the amount needed for the new building, what should be the average donation from the remaining people be solicited?
- [A] 300
- [B] 250
- [C] 400
- [D] 500
One bacterium splits into eight bacteria of the next generation. But due to environment, only 50% of one generation can produced the next generation. If the seventh generation number is 4096 million, what is the number in first generation?
- [A] 1 million
- [B] 2 million
- [C] 4 million
- [D] 8 million
- [E] None of these
A litre of water evaporates from 6L of sea water containing 4% salt. Find the percentage of salt in the remaining solution.
- [A] 5(1/2)%
- [B] 3(1/2)
- [C] 3%
- [D] 4(4/5)%