APTITUDE SECTION

Q1. Mr. Shah decided to walk down the escalator of a tube station. He found

that if he walks down 26 steps, he requires 30 seconds to reach the bottom.

However, if he steps down 34 stairs he would only require 18 seconds to

get to the bottom. If the time is measured from the moment the top step begins

to descend to the time he steps off the last step at the bottom, find out

the height of the stair way in steps?

Ans.46 steps.

Q2. The average age of 10 members of a committee is the same as it was 4

years ago, because an old member has been replaced by a young member. Find

how much younger is the new member ?

Ans.40 years.

Q3. Three containers A, B and C have volumes a, b, and c respectively; and

container A is full of water while the other two are empty. If from container

A water is poured into container B which becomes 1/3 full, and into

container C which becomes 1/2 full, how much water is left in container A?

Q4. ABCE is an isosceles trapezoid and ACDE is a rectangle. AB = 10 and EC = 20.

What is the length of AE?

Ans. AE = 10.

Q5. In the given figure, PA and PB are tangents to the circle at A and B
respectively and

the chord BC is parallel to tangent PA. If AC = 6 cm, and length of the tangent
AP

is 9 cm, then what is the length of the chord BC?

Ans. BC = 4 cm.

Q6. Three cards are drawn at random from an ordinary pack of cards. Find

the probability that they will consist of a king, a queen and an ace.

Ans. 64/2210.

Q7. A number of cats got together and decided to kill between them 999919

mice. Every cat killed an equal number of mice. Each cat killed more mice

than there were cats. How many cats do you think there were ?

Ans. 991.

Q8. If Log2 x - 5 Log x + 6 = 0, then what would the value / values of x

be?

Ans. x = e2 or e3.

Q9. The square of a two digit number is divided by half the number. After

36 is added to the quotient, this sum is then divided by 2. The digits of the

resulting number are the same as those in the original number, but they

are in reverse order. The ten's place of the original number is equal to twice

the difference between its digits. What is the number?

Ans. 46

Q10. Can you tender a one rupee note in such a manner that there shall be

total 50 coins but none of them would be 2 paise coins.?

Ans. 45 one paisa coins, 2 five paise coins, 2 ten paise coins, and 1
twenty-five paise coins.

Q11. A monkey starts climbing up a tree 20ft. tall. Each hour, it hops 3ft.

and slips back 2ft. How much time would it take the monkey to reach the

top?

Ans.18 hours.

Q12. What is the missing number in this series?

8 2 14 6 11 ? 14 6 18 12

Ans. 9

Q13. A certain type of mixture is prepared by mixing brand A at Rs.9 a kg.

with brand B at Rs.4 a kg. If the mixture is worth Rs.7 a kg., how many

kgs. of brand A are needed to make 40kgs. of the mixture?

Ans. Brand A needed is 24kgs.

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