Aptitude quetsions for TCS-2008
Aptitude Questions
1.Find the number of zeroes in the following multiplication.
5 X 10 X 15 X 20 X 25 X 30 X 35 X 40 X 45 X 50
A.5 zeroes B.10 zeroes
C.7 zeroes D.8 zeroes
Answer : D
2.Find the remainder for [(73 X 79 X 81)/11)]
A.5 B.0
C.1 D.NONE
Answer: C
3.In a class composed of x girls and y boys what part of the
class is composed of girls
A.y/(x + y) B.x/xy
C.x/(x + y) D.y/xy
Anser: C
4.If the operation, ^ is defined by the equation x ^ y = 2x + y,
what is the value of a in 2 ^ a = a ^ 3
A.0 B.1
C.-1 D.4
Answer: B
5.There are 200 questions on a 3 hr examination. Among these
questions are 50 mathematics problems. It is suggested that
twice as much time be spent on each math’s problem as for each
other question. How many minutes should be spent on mathematics
problems
A.36 B.72
C.60 D.100
Answer: B
6. 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
Answer : d
7.The average of 4 numbers 12, 13, 17 and 18 is
A.14 B.15
C.13 D.17
Answer: B
8.A man travels at 60kmph on the journey from A to B and returns at 100kmph. Find the average speed for the journey.
A.75kmph B.60kmph
C.100kmph D.80kmph
Answer: A
9.The average of class of 30 students and a teacher reduces by 0.5 years if we exclude the teacher. If the initial average is 14 years, Find the age of the class teacher.
A.25years B.28years
C.29years D.30years
Answer: C
10. The average marks of a group of 20 students on a test is
reduced by 4 when topper who scored 90 marks is replaced by a
new student. How many marks did the new student have?
A.20marks B.25marks
C.15marks D.10marks
Answer: D
11. A person covers half his journey by train at 60 kmph, half
the remainder by bus at 30kmph and the rest by cycle at 10kmph.
Find his average speed during the entire journey.
A.24kmph B.50kmph
C.45kmph D.33.33kmph
Answer: A
12. A school has only 3 classes that contain 10, 20 and 30 students respectively. The pass percentages of these classes are 20%, 30% and 40% respectively. Find the pass percentage of the entire school.
A.33.33% B.33.99%
C.22.33% D.45%
Answer: A
13. Two varieties of rice at Rs. 10 per kg and Rs. 12 per kg are mixed together in the ratio 1:2. Find the average price of the resulting mixture.
A.11 Rs/kg B.11.33 Rs/kg
C.10.99 Rs/kg D.10.33 Rs/kg
Answer: B
14. On combining two groups of students having 30 and 40 marks respectively in an exam, the resultant group has an average score of 34. find the ratio of the number of students in the first group to the number of students in the second group.
A.3:4 B.4:3
C.2:3 D.3:2
Answer: D
15. The length and breadth of a rectangle are changed by +20% and by -10% respectively. What is the percentage change in the
area of the rectangle.
A.15% B.10%
C.8% D.5%
Answer: C
16. Due to a 25% price hike in the price of rice, a person is able to purchase 20kg less of rice of Rs.400. Find the initial price.
A.4 Rs/kg B.4.50 Rs/kg
C.4.75 Rs/kg D.None
Answer: D
17. A shopkeeper sells two items at the same price. If he sells one of them at a profit of 10% and the other at a loss of 10%.Find the percentage profit/loss.
A.1% loss B.1% gain
C.no loss no gain D.none
Answer: A
18. For the above problem, find the value of the loss incurred by the shopkeeper if the price of selling each item is Rs.160.
A.loss of Rs. 3.53 B.loss of Rs. 3.73
C.loss of Rs. 4.43 D.loss of Rs. 3.23
Answer: D
19. By selling 15 mangoes, a fruit vendor recovers the cost price of 20 mangoes. Find the profit percentage.
A.25% B.66.66%
C.33.33% D.none
Answer: C
20. Find a single discount to equal three consecutive discounts of 10%, 12% and 5%.
A.27% B.73%
C.24.56% D.24.76%
Answer:D
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