Answers will be posted after some attempts, First do it yourself.
1)What is the largest positive integer 'n' for which there is a unique integer 'k' such that 8/15 < n/(n + k) < 7/13 ?
2)A positive integer N satisfies the following two conditions:
1. It must be a 10 digit number with all ten digits distinct
2. It must be divisible by 11111.
How many such numbers are there?
3)N is a 80-digit +ve integer ( in the decimal scale ). All digits except the 44th digit (from the left are 2. If N is divisible by 13, find the 44th digit.
4)The entrance ticket at the Inox theatre in Chennai is worth Rs 250. The sale of tickets increased by 50% when the price of the ticket was lowered. However, the collections recorded a decrease of 17.5%.The price of the ticket is reduced by how much rupees?
5)A number is mistakenly divided by 5 instead of being multiplied by 5.Find the percentage change in the result due to this mistake.
6)(x^x)^x – x^(x^x) = 0
How many values of x are possible?
7)A fort has provision of food for 150 en for 45 days. After 10 days, 25 mens left the fort. The no. of days for which the remaining food will last is?
8)Ter is a meal for 120 men or 200 children. If 150 children have taken the meal, how many men ll be catered to with the remaining meal?
9)40 cows eat 40 bags of husk in 40 days . In how many days 1 cow ll eat 1 bag of husk?