For the following questions answer them individually
The value of x for which the expressions 15 -Â 7x and 15x + 7 become equal is .
The largest 5 digit number exactly divisible by 95 is
If a:b = 3:8, find the value of (5a - Â3b)/(2a + b).
If 5 Â- 3x < 4 Â- x and 5(2 -Â x) > 2 -Â 2x, then x can take which of the following values?
The average revenues of 9 consecutive years of a company is Rs 76 lakhs. If the average of first 5 years is Rs 71 lakhs and that of last 5 years is Rs 83 lakhs, find the revenue for the 5th year.
If 2x + 3y = 0 and 3x -Â 4y = 34, then x -Â y =
5 hrs after a goods train passed a station, another train travelling at a speed of 70 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 9 hours. What is the speed of the goods train?
Marked price of an item is Rs 200. On purchase of 1 item discount is 22%, on purchase of 4 items discount is 33%. Rabia buys 5 items, what is the effective discount?
Find two numbers such that their mean proportion is 8 and third proportion is 64.
Akash is 3 times as good a workman as Baldev and therefore is able to finish a job in 40 days less than Baldev. Working together, they can finish it in .