1 . A computer routine was developed to generate two numbers (x,y) the first being a random number between 0 and 100 inclusive, and the second being less than or equal to the square root of the first. Each of the following pair satisfies the routine EXCEPT
2 . A father is now three times as old as his son. Five years ago. he was four times as
old as his son. Find their present age of father.
3 . A man left Rs.1750 to be divided among his two daughters and four sons. Each
daughter was to receive three times as much as a son. How much did each son receive?
4 . A digital wristwatch was set accurately at 8.30 a.m and then lost 2 seconds every 5 minutes. What time was indicated on the watch at 6.30 p.m of the same day if the watch operated continuously that time ?
5 . A 5 litre jug contains 4 litres of a salt water solution that is 15 percent salt. If 1.5 litres of the solution spills out of the jug, and the jug is then filled to capacity with water, approximately what percent of the resulting solution in the jug is salt?
6 . Five boys were climbing a hill. J was following H. R was just ahead of G. K was between G & H. They were climbing up in a column. Who was the second?
7 . A merchant sells an item at a 20 percent discount. but still makes a gross profit of 20 percent of the cost. What percent of cost would be gross profit on the item have been if it had been sold without the discount?
8 . From a group of 7 men and 6 women, five persons are to be selected to form a committee so that at least 3 men are there on the committee. In how many ways can it be done?
9 . If a man can save Rs.5 more every year than he did the year before and if he
saves 25 rupees in the first year after how many years will his savings be more than
1000 rupees altogether and what will be the exact sum with him?
10 . A man was engaged on a job for 30 days on the condition that he would get a wage of Rs. 10 for the day he works, but he have to pay a fine of Rs. 2 for each day of his absence. If he gets Rs. 216 at the end, he was absent for work for ... days.
11 . A and B can do a piece of work in 12 days. B and C can do it in 20 days. If
A is twice as good a workman as C, then in what time will B alone do it?
12 . A contractor undertook to do a piece of work in 125 days and employs 175
men to carry out the job, but after 40 days, he finds that one a quarter of the
work had been carried out. How many more men should be employed to
finish the work in time?
13 . Out of thousand people, 450 subscribe for India Today and 600 for Outlook
magazine. 200 subscribe for both. How many do not subscribe to any
14 . A train travels 18 km/hr. How many metres will it travel in 12 minutes.
15 . A number when successively divided by 9, 11 and 13 leaves remainders 8, 9 and
16 . Two taps can fill a tank in 24 minutes and 30 minutes respectively. Both of them are opened together, but the first tap is turned off after 8 minutes. Now find how long would the second tap take to fill the tank.
24 1/2 min
13 1/4 min
13 2/3 min
17 . Wind flows 160 miles in 330 min, for travelling 80 miles how much time does it require?
18 . Two piped A & B can fill a tank in 36 hrs and 45 hrs respectively. If both pipes are opened simultaneously, how much time will be taken to fill the tank?
19 . In a fraction, if 1 is added to both the numerator at the denominator, the fraction becomes 1/2. If numerator is subtracted from the denominator, the fraction becomes 3/4. Find the fraction.
20 . A train running between two stations A and B arrives at its destination 15
minutes late, when its speed is 45 km/hr. and 36 minutes late when its speed is
36 km/hr. find the distance between the stations A and B.