APTITUDE 14

1)      A student gets 70% in one subject, 80% in the other. To get an overall percentage of 75% how much should he get in third subject?

2)      If the value of x lies between 0 & 1 which of the following is the largest?

                                       (a)     x  (b)    x²  (c)  -x  (d) 1/x

3)      A worker is paid Rs.20/- for a full days work. He works 1,1/3,2/3,1/8,3/4 days in a week. What is the total amount paid for that worker

4)      Find the 3 digit number. Third digit is square root of first digit. Second digit is sum of first and third digits. Find the number

5)      Find the odd one out      1, 6, 11, 22, 33, 46, 61

6)      A gives half of his salary to his wife and half of the remaining to his son and 1/3^rd of the remaining to his daughter finally he had RS 500, then what will be his  monthly salary?

7)      When a number is multiplied by 13, it will become greater to 105 by an amount with which it is lesser to 105 now. What is the number?

8)      In a class there are less than 500 students. When it is divided by 3 it gives a whole number, similarly when it is divided by 4, 5 or 7 gives a whole number.
Find the no. of students in the class?

9)      One material @1.60 Rs per kg is mixed with a second material @1.48 Rs per kg, in what proportion are they added so that the mixed material costs 1.54 Rs per kg

10)  If a sales man gets successive gain of 15% and 20% then what is his actual gain?

11)  There are 5 papers. Ratio of marks obtained in each subject is 6:7:8:9:10. Total marks obtained are 60%. 50% is pass marks. In how many subjects did he get above 50%

12)  Find out the Simple Interest paid for a sum of $4000 at the rate of 8% per annum for 3 months?

13)  3 balls inside a bag are having number 1, 2, and 3  A ball is taken and then put inside it. Find probability that all 3 numbers r the same when it is taken 3 times

14)  Bus covers 54km/hr (excluding its stopping times) and 45 km/hr (including its waiting times at each stop). What should be the waiting time in minutes for an hour?

15)  Average of 5 consecutive integers is i. what will be the average if the two more consecutive integers at the higher end is also taken?

16)  Equilateral triangle of side 10 units. Cow is tethered with a rope of length 7 units at one of the vertex. Find the area of the field grazed.

17)  The time is 2:15 P.M . what is the angle between  the hour and the minute hand ?

18)  There are 2 cups one half filled with tea and other half filled with coffee.If 1 tea spoon of tea is taken and mixed with coffee cup & 1 tea spoon from the coffee mixture is taken is mixed with tea cup. Which has higher concentration?

19)  5 men are and it is raining. Only 1 umbrella, which can accommodate only 2 persons at a time. A takes 1 min to travel from X to Y, B 2min, C 5min, D 10 min, E 15min. What is the quickest time for all to cross X to Y.

20)  Two people, one's age is reverse of other, sum of their ages is a square, and difference is cube.

21)  A boy leaves home to school. When he travels one-fourth of the distance, he reaches the station A at 7:30.After traveling one-third of the distance, he reaches Station B at 7:35.What time did he leave home and at what time does he reach school?

22)   There are 2500 people in a club.  800 were drinkers, 1250 were smokers and 400 were both drinkers and smokers. What is the number of teetotalers?

23)  You have 5 jars of pills. Each pill weighs 10 gram, except for contaminated pills contained in one jar, where each pill weighs 9 gm. Given a scale, how could you tell which jar had the contaminated pills in just one measurement?

24)  X men works for X days to produce X products. Y men can produce Y products in ---- days.

25)  B is as younger than A as B is as older than C. If the sum of ages A and C  is 80 then what is the age of B?

26)   Between 1 and 100 how many 7's are there?

27)  Number of numbers divisible by 9 using the numbers 6,8,2,1 is?

28)  A and B running around a circle of perimeter of 1200meter.A is running at 210 meter/minute and B is running at 190 meter/minute in opposite direction to each other. After what time will they meet ?

29)  Which is greater - a or b ?
a) 100210 * 90021
b) 100021 * 90210

30)  In a certain shop note books that normally sell for 59 cents each are on sale at 2 for 99cents.How much can be saved by purchasing 10 of these note books at the sale price ?

31)  One of Mr. Horton, his wife, their son, and Mr. Horton's mother is a doctor and another is a lawyer.
            a) If the doctor is younger than the lawyer, then the doctor and the lawyer are not blood relatives.
            b) If the doctor is a woman, then the doctor and the lawyer are blood relatives.
            c) If the lawyer is a man, then the doctor is a man.
    Whose occupation you know?

32)   If "football" is "cricket" ,"cricket" is "basketball" ,"basketball" is "volleyball”,  “volleyball” is "khokho" and "khokho" is “football”, which is not a ball game?

33)  Two series are 16, 21, 26.... and 17,21,25.....   What is the sum of first hundred common numbers?

34)  Find the correct sequence   A. Compiling and debugging.
                                                B. Testing.
                                                C. Writing the code.
                                                D. Thinking of the algorithm.
                                                E. Understanding the problem

35)  What is the selling price of a car? If the cost of the car is Rs.60 and a  profit of 10% over selling price is earned

36)  Perimeter of front wheel =30, back wheel = 20. If front wheel revolves 240 times. How many revolutions will the back wheel take?

37)   0, 7, 26, 63, 124, __

38)  City A’s population is 68000, decreasing at a rate of 80 people per year. City B having population 42000 is increasing at a rate of 120 people per year. In how many years both the cities will have same population

39)  Find the least number which when divided by 7 gives the reminder 6, when divided by 6 gives reminder 5, when divided by 5 gives reminder 4 and so on

40)  3 persons started placement papers with a capital of Rs.3000. B invest Rs.600 less than A, C invest Rs.300 less than B. Then what is the share amount of B in a profit of Rs.886?

41)  On a single day, 14 children are admitted in a school by their mothers.2 are sisters, 3 are brothers, 2 are brother and sister and 2 are twins. The rest are singles. How many mothers came?

42)  It will take 8 hours to fill a cistern. But due to leak at the bottom, it takes 10 hours to fill it. In how many hours, the full tank will be emptied because of the leak?

43)  In 3.5 Kg rod, there is 84% silver. If it is alloyed with a 0.5 Kg rod, the % of silver goes down to 74%. The percentage of silver in 0.5 Kg rod is?

44)  A Kg of tea costs Rs 49.50. But the supplier gives 10 grams less for every Kg he sold. What is the actual cost?

45)  If a man buys 1 liter of milk for Rs.12 and mixes it with 20% water and sells it for Rs.15, then what is the percentage of gain?

46)  If on an item a company gives 25% discount, they earn 25% profit. If they give 10% discount then what is the profit percentage?

47)  Two trains move in the same direction at 50 kmph and 32 kmph respectively. A man in the slower train observes that, 15 seconds elapse before the faster train completely passes by him. What is the length of faster train ?

48)  The ratio of the number of boys and girls in a school is 3:2 Out of these 10% the boys and 25% of girls are scholarship holders. % of students who are not scholarship holders?

49)  What is the smallest number by which 2880 must be divided in order to make it into a perfect square ?

50)  The difference b/w the compound interest payable half yearly and the simple interest on a certain sum lent out at 10% per annum for 1 year is Rs 25. What is the sum?