Aptitude and Reasoning Questions

Q:

There are 41 students in a class, number of girls is one more than number of guys. we need to form a team of four students. all four in the team cannot be from same gender. number of girls and guys in the team should NOT be equal. How many ways can such a team be made ?

A) 49450 B) 50540
C) 46587 D) 52487
 
Answer & Explanation Answer: B) 50540

Explanation:

Given G + B= 41 and B = G-1
Hence, G = 21 and B = 20
Now we have 2 options,
1G and 3M
(or)
3G and 1M
(2G and 2M or 0G and 4M or 4G and oM are not allowed),

 

Total : C121×C320+C321×C120= 50540 ways.

Report Error

View Answer Report Error Discuss

Filed Under: Permutations and Combinations
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk

2 4360
Q:

As any economist knows, healthy people pose less of an economic burden to society than unhealthy people. Not surprisingly, then, every dollar our state government spends on prenatal care for undocumented immigrants will save taxpayers of this state three dollars.

 

Which of the following, if true, would best explain why the statistics cited above are not surprising?

A) The state's taxpayers pay for prenatal care of all ...........immigrants. B) Pregnant women who do not receive prenatal care are ...........more likely to experience health problems than ...........other pregnant women.
C) Both A and B D) None
 
Answer & Explanation Answer: B) Pregnant women who do not receive prenatal care are ...........more likely to experience health problems than ...........other pregnant women.

Explanation:

From the above passage this will only be true  Pregnant women who do not receive prenatal care are ...........more likely to experience health problems than ...........other pregnant women.

Report Error

View Answer Report Error Discuss

Filed Under: Deriving Conclusions From Passages
Exam Prep: GRE

5 4360
Q:

What is the difference in the shares of profit between P and Q in a joint business at the end of one year ?

a. P Invested Rs. 80,000 and withdrew Rs. 20,000 after 6 months.

b. Q joined four months after the start of business.

c. Q's amount was 80% of P's amount during the last six months.

A) Only a B) Only c
C) Both a & b D) Data is not sufficient
 
Answer & Explanation Answer: D) Data is not sufficient

Explanation:

a. P's investment = (80000 x 6 + 60000 x 6) = 840000 for 1 month.

b & c. Q's investment = 80% of Rs. 60000 for 8 months.

= Rs.(48000 x 8) for 1 month = 384000 for 1 month

P : Q = 840000 : 384000 = 35 : 16.

But, the total profit is not given, so data is inadequate.

Report Error

View Answer Report Error Discuss

Filed Under: Partnership
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

2 4356
Q:

In the following question, various terms of an alphabet series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. BAZ, DCY, FEX, ?

A) FXW B) FEY
C) HGW D) EFX
 
Answer & Explanation Answer: C) HGW

Explanation:

The first letter moves two steps forward.
The second letter moves 2 steps forward.
The third letter moves one step backward.

Report Error

View Answer Report Error Discuss

Filed Under: Number Series

4 4353
Q:

Choose the pair in which the words are differently related.

A) Oil : Lamp B) Water : Tap
C) Oxygen : Life D) Power : Machine
 
Answer & Explanation Answer: B) Water : Tap

Explanation:

In all other pairs , second requires the first to function.

Report Error

View Answer Report Error Discuss

Filed Under: Classification

46 4352
Q:

A steamer moves with a speed of 4.5 km/h in still water to a certain upstream point and comes back to the starting point in a river which flows at 1.5 km/h. The average speed of steamer for the total journey is

A) 12 km/h B) 10 km/h
C) 6 km/h D) 4 km/h
 
Answer & Explanation Answer: D) 4 km/h

Explanation:

Speed of streamer = 4.5 km/hrSpeed of water = 1.5 km/hr

Downstream speed = 4.5+1.5 = 6 km/hr

Upstream speed = 4.5 -1.5 = 3 km/hr

Average Speed = (6 X 3) / 4.5 = 4km/hr

Report Error

View Answer Report Error Discuss

Filed Under: Boats and Streams
Exam Prep: Bank Exams

11 4343
Q:

Three triangles are marked out of a bigger triangle at the three vertices such that each side of each of the smaller triangles is one-third as long as each corresponding side of the bigger triangle. The ratio of the area of the three small triangles taken together to that of the rest of the bigger triangle is ?

A) 1:2 B) 1:3
C) 3:1 D) 1:9
 
Answer & Explanation Answer: A) 1:2

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

10 4338
Q:

Antonym for Durable

A) Pressure B) Flimsy
C) Hard-wearing D) Withstand
 
Answer & Explanation Answer: B) Flimsy

Explanation:

Durable means able to withstand wear, pressure.

 

Antonyms for Durable are Delicate, Flimsy, Short-lived.

Report Error

View Answer Report Error Discuss

Filed Under: Alphabet Test
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE , TOEFL
Job Role: Analyst , Bank Clerk , Bank PO

7 4336