1 . An investor purchased a shares of stock at a certain price.If the stock increased in price Rs 0.25 per share and the total increase for the x shares was Rs 12.50, how many shares of stock had been purchased ?
2 . What is the number whose 30% is 150
3 . In how many different ways can the letters of the word 'DETAIL' be arranged in such a way that the vowels occupy only the odd positions?
4 . A decorator bought a bolt of d m number of red chips in any one stack?
5 . An Engineering student has to secure 45% marks for a pass. He gets 153 marks and
fails by 27 marks. Find the maximum marks.
6 . In a two-dimensional array, X (9, 7), with each element occupying 4 bytes of memory, with the address of the first element X (1, 1) is 3000; find the address of X (8, 5).
7 . Five years ago, the average of Raja and Rani?s ages was 20 yrs. Now the average
age of Raja, Rani and Rama is 30 yrs. What will be Rama?s age 10 yrs hence?
8 . If the operation,^ is defined by the equation x ^ y = 2x + y,what is the value of a in 2 ^ a = a ^ 3
9 . 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?
10 . If taxi fares were Rs 1.00 for the first 1/5 mile and Rs 0.20 for each 1/5 miles thereafter. The taxi fare for a 3-mile ride was
11 . 1. If a pipe A fills a tank in 10 hours and a pipe B fills it in 15 hours, then the tank will be filled by A and B together in how much time?
12 . What number should be added to or subtracted from each term of the ratio 17 : 24 so that it becomes equal to 1 : 2.
13 . A coffee shop blends 2 kinds of coffee,putting in 2 parts of a 33p. a gm. grade to 1 part of a 24p. a gm.If the mixture is changed to 1 part of the 33p. a gm. to 2 parts of the less expensive grade,how much will the shop save in blending 100 gms.
14 . 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?
15 . 35% of a number is 175. What % of 175 is the number?
16 . The average age of 30 kids is 9 years. If the teacher?s age is included, the
average age becomes 10 years. What is the teacher?s age?
17 . Four prime numbers are given in ascending order of their magnitudes, the
product of the first three is 385 and that of the last three is 1001. Find the
largest of the given prime numbers.
18 . A cyclist travels to reach a post at a speed of 15 km/hr and returns at the rate of
10km/hr. What is the average speed of the cyclist?
19 . 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?
20 . A Flight takes off at 2 A.M from northeast direction and travels for 11 hours to reach the destination, which is in northwest direction. Given the latitude and longitude of source and destination. Find the local time of destination when the flight reaches there?