Question
In 1784, who discovered the composition of water through
his experiment with hydrogen and oxygen?Solution
The correct answer is A
The average weight of certain number of students in a class is 72 kg. 8 students whose average weight is 75 kg left the class and 3 students whose avera...
A number 'X' is 60% less than number 'Y'. A third number 'Z' is (250/3) % of the difference between 'X' and 'Y'. 'Z' is how much percent more than 'X'?
Three workers W1, W2 and W3 got work from the contractor. In 5 days, ‘W1’ completed 25% of work. ‘W2’ is 20% less efficient than ‘W1’ but ta...
The average of x numbers is 24. If 60% of these numbers are reduced by 5 and the remaining 40% are increased by 10, what will be the new average of the ...
A school bag is sold for Rs.360 after giving two successive discounts of 10% and 20%. If school bag is marked up by Rs.280 above its cost price, then fi...
Three bells ring at intervals of 28 seconds, 60 seconds, and 84 seconds, respectively. How many times will all three bells ring together in a span of 10...
Average of first 3 numbers is three times the average of next 6 numbers. If the average of all nine numbers is 15, find the sum of the last 6 numbers.
An article is initially marked at 40% above its cost price. It is then sold after applying two successive discounts - one of 12% and another of Rs. 56. ...
Two inlet pipes 'A' and 'B' can fill an empty tank in 48 minutes and 80 minutes, respectively. Another outlet pipe 'C' can empty the tank in 120 minutes...
If 4539 = 540, 758 = 280, and 3745 = 420, then 2788 =___.
