For the following questions answer them individually
When the same number is subtracted from each of 6, 8, 12 and 20, the resulting numbers are in proportion. The number subtracted is:
Prakash can swim at a speed of 32 km/h in upstream and 44 km/h in downstream. What is the speed of the current?
In an election between two candidates, the candidate getting 70% of the votes polled is elected by a majority of 16,000 votes. The number of votes polled in favour of the winning candidate is:
A man borrows ₹3,310 and undertakes to pay it back with compound interest at 10% per annum in three equal yearly instalments at the end of thefi rst, second and third years. What is the amount of each instalment
By selling an article for Rs.880, a shopkeeper gains 10%. Due to reduction on sales, he allows a discount of 25% on previous selling price. His gain/loss percentage during the sale is:
Abdul’s salary is Rs.1,50,000 per month. He spends 10% of his salary on paying the school fees. He got an increment of 3% in his salary in the month of July, but the school fee was hiked by 5% the same month. What will be the net change in his saving in the month of July if the other expenditures are the same