BEL General Aptitude Questions Aptitude Questions Set VIII
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If 2xy = 4 then 6x − 3y =?

15

12

18

10
Answer: b


If x = y = 2z and xyz = 256 then what is the value of x?

12

8

16

6
Answer: b


(⅒) 18 (⅒) 20 =?

99/1020

99/10

0.9

none of these
Answer: a


Pipe A can fill in 20 minutes and Pipe B in 30 mins and Pipe C can empty the same in 40 mins. If all of them work together, find the time taken to fill the tank

17 ⅐ mins

20 mins

8 mins

none of these
Answer: a


Thirty men take 20 days to complete a job working 9 hours a day. How many hour a day should 40 men work to complete the job?

8 hrs

7 ½ hrs

7 hrs

9 hrs
Answer: b


Find the smallest number in a GP whose sum is 38 and product 1728

12

20

8

none of these
Answer: c


A boat travels 20 kms upstream in 6 hrs and 18 kms downstream in 4 hrs. Find the speed of the boat in still water and the speed of the water current?

½ kmph

7/12 kmph

5 kmph

none of these
Answer: b


A goat is tied to one corner of a square plot of side 12m by a rope 7m long. Find the area it can graze?

38.5 sq. m

155 sq. m

144 sq. m

19.25 sq. m
Answer: a


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.

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member.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.

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 ⅓ full, and into container C which becomes ½ full, how much water is left in container A?

ABCE is an isosceles trapezoid and ACDE is a rectangle. AB = 10 and EC = 20. What is the length of AE? Ans. AE = 10.

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.

The letters A, B, C, D, E, F and G, not necessarily in that order, stand for seven consecutive integers from 1 to 10 D is 3 less than A B is the middle term F is as much less than B as C is greater than D G is greater than F

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.

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.

If Log2 x − 5 Log x + 6 = 0, then what would the value/values of x be? Ans. x = e2 or e3.

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

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 twentyfive paise coins.

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.

What is the missing number in this series? 8 2 14 6 11? 14 6 18 12 Ans. 9

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.

A wizard named Nepo says “I am only three times my son's age. My father is 40 years more than twice my age. Together the three of us are a mere 1240 years old.” How old is Nepo? Ans. 360 years old.

One dog tells the other that there are two dogs in front of me. The other one also shouts that he too had two behind him. How many are they? Ans. Three.

A man ate 100 bananas in five days, each day eating 6 more than the previous day. How many bananas did he eat on the first day? Ans: Eight.

If it takes five minutes to boil one egg, how long will it take to boil four eggs? Ans: Five minutes.

The minute hand of a clock overtakes the hour hand at intervals of 64 minutes of correct time. How much a day does the clock gain or lose? Ans: 32 8/11 minutes.

Solve for x and y: 1/x − 1/y = ⅓ 1/x2 + 1/y2 = 5/9. Ans: x = 3/2 or3 and y = 3 or3/2.

Daal is now being sold at Rs. 20 a kg. During last month its rate was Rs. 16 per kg. By how much percent should a family reduce its consumption so as to keep the expenditure fixed? Ans: 20 %.

Find the least value of 3x + 4y if x2y3 = 6. Ans: 10.

Can you find out what day of the week was January 12, 1979? Ans: Friday.

A garrison of 3300 men has provisions for 32 days, when given at a rate of 850 grams per head. At the end of 7 days a reinforcement arrives and it was found that now the provisions will last 8 days less, when given at the rate of 825 grams per head. How, many more men can it feed? Ans: 1700 men.

From 5 different green balls, four different blue balls and three different red balls, how many combinations of balls can be chosen taking at least one green and one blue ball? Ans: 3720.

Three pipes, A, B, & C are attached to a tank. A & B can fill it in 20 & 30 minutes respectively while C can empty it in 15 minutes. If A, B & C are kept open successively for 1 minute each, how soon will the tank be filled? Ans: 167 minutes.

A person walking ⅚ of his usual rate is 40 minutes late. What is his usual time? Ans: 3 hours 20 minutes.

For a motorist there are three ways going from City A to City C. By way of bridge the distance is 20 miles and toll is $0.75. A tunnel between the two cities is a distance of 10 miles and toll is $1.00 for the vehicle and driver and $0.10 for each passenger. A twolane highway without toll goes east for 30 miles to city B and then 20 miles in a northwest direction to City C. Which is the shortest route from B to C

Directly on toll free highway to City C

The bridge

The Tunnel

The bridge or the tunnel

The bridge only if traffic is heavy on the toll free highway
Answer: a


The most economical way of going from City A to City B, in terms of toll and distance is to use the

tunnel

bridge

bridge or tunnel

toll free highway

bridge and highway
Answer: a


Jim usually drives alone from City C to City A every working day. His firm deducts a percentage of employee pay for lateness. Which factor would most influence his choice of the bridge or the tunnel?

Whether his wife goes with him

scenic beauty on the route

Traffic conditions on the road, bridge and tunnel

saving $0.25 in tolls

price of gasoline consumed in covering additional 10 miles on the bridge
Answer: a


In choosing between the use of the bridge and the tunnel the chief factor (s) would be:

Traffic and road conditions

Number of passengers in the car

Location of one's homes in the center or outskirts of one of the cities

Desire to save $0.25
Which is correct?

I only

II only

II and III only

III and IV only

I and II only
Answer: a

Solve These

The fifth integer is

A

C

D

E

F
Answer: a


A is as much greater than F as which integer is less than G

A

B

C

D

E
Answer: a


If A = 7, the sum of E and G is

8

10

12

14

16
Answer: a


AF =?

1

2

3

4

Cannot be determined
Answer: a


An integer T is as much greater than C as C is greater than E. T can be written as A + E. What is D?

2

3

4

5

Cannot be determined
Answer: a


The greatest possible value of C is how much greater than the smallest possible value of D?

2

3

4

5

6
Answer: a

Solve These

If no P's are K's, which of the following must be true?

All P's are J's

No P is a G

No P is an H

If any P is an H it is a G

If any P is a G it is a J
Answer: a


Which of the following can be logically deduced from the conditions stated?

No M's are H's

No M's that are not N's are H's

No H's are M's

Some M's are H's

All M's are H's
Answer: a


Which of the following is inconsistent with one or more of the conditions?

All H's are G's

All H's that are not G's are M's

Some H's are both M's and G's

No M's are H's

All M's are H's
Answer: a


The statement “No L's are J's” is

Logically deducible from the conditions stated

Consistent with but not deducible from the conditions stated

Deducible from the stated conditions together with the additional statement “No J's are K's”
Which is correct?

I only

II only

III only

II and III only

Neither I, II nor III
Answer: a

Solve These

In country X, democratic, conservative and justice parties have fought three civil wars in twenty years. TO restore stability an agreement is reached to rotate the top offices President, Prime Minister and Army Chief among the parties so that each party controls one and only one office at all times. The three top office holders must each have two deputies, one from each of the other parties. Each deputy must choose a staff composed of equally members of his or her chiefs party and member of the third party. When Justice party holds one of the top offices, which of the following cannot be true

Some of the staff members within that office are justice party members

Some of the staff members within that office are democratic party members

Two of the deputies within the other offices are justice party members

Two of the deputies within the other offices are conservative party members

Some of the staff members within the other offices are justice party members.
Answer: a


When the democratic party holds presidency, the staff of the prime minister's deputies are composed

Onefourth of democratic party members

Onehalf of justice party members and onefourth of conservative party members

Onehalf of conservative party members and onefourth of justice party members.
Which is correct?

I only

I and II only

II or III but not both

I and II or I and III

None of these
Answer: a


Which of the following is allowable under the rules as stated:

More than half of the staff within a given office belonging to a single party

Half of the staff within a given office belonging to a single party

Any person having a member of the same party as his or her immediate superior

Half the total number of staff members in all three offices belonging to a single party

Half the staff members in a given office belonging to parties different from the party of the top office holder in that office.
Answer: a


The office of the Army Chief passes from Conservative to Justice party. Which of the following must be fired.

The democratic deputy and all staff members belonging to Justice party

Justice party deputy and all his or hers staff members

Justice party deputy and half of his Conservative staff members in the chief of staff office

The Conservative deputy and all of his or her staff members belonging to Conservative party

No deputies and all staff members belonging to conservative parties.
Answer: a


In recommendations to the board of trustees a tuition increase of $500 per year, the president of the university said “There were no student demonstrations over the previous increases of $300 last year and $200 the year before” If the president's statement is accurate then which of the following can be validly inferred from the information given:

Most students in previous years felt that the increases were justified because of increased operating costs.

Student apathy was responsible for the failure of students to protest the previous tuition increases.

Students are not likely to demonstrate over new tuition increases.
Which is correct?

I only

II only

I or II but not both

I, II and III

None
Answer: a


The office staff of XYZ corporation presently consists of three bookeepersA, B, C and 5 secretaries D, E, F, G, H. The management is planning to open a new office in another city using 2 bookeepers and 3 secretaries of the present staff. To do so they plan to seperate certain individuals who don't function well together. The following guidelines were established to set up the new office

Bookeepers A and C are constantly finding fault with one another and should not be sent together to the new office as a team

C and E function well alone but not as a team, they should be seperated

D and G have not been on speaking terms and shouldn't go together

Since D and F have been competing for promotion they shouldn't be a team
If A is to be moved as one of the bookeepers, which of the following cannot be a possible working unit.

ABDEH

ABDGH

ABEFH

ABEGH
Answer: b
