Exams


Q:

There are 3 bags, in 1st there are 9 Mangoes, in 2nd 8 apples & in 3rd 6 bananas. There are how many ways you can buy one fruit if all the mangoes are identical, all the apples are identical, & also all the Bananas are identical ?

A) 23 B) 432
C) 22 D) 431
 
Answer & Explanation Answer: A) 23

Explanation:

As in this problem , buying any fruit is different case , as buying apple is independent from buying banana. so ADDITION rule will be used.

 

C19+C18+C16 = 23 will be answer.

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Filed Under: Permutations and Combinations
Exam Prep: GRE , GATE , CAT , Bank Exams , AIEEE
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2 5414
Q:

In a certain code language, "TOAST" is written as "03210" and "RIGID" is written as "45759". How is "DOOR" written in that code language?

A) 9331 B) 9334
C) 3390 D) 1314
 
Answer & Explanation Answer: B) 9334

Explanation:
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Filed Under: Coding and Decoding
Exam Prep: CAT , Bank Exams , AIEEE

1 5411
Q:

X and Y entered into partnership with Rs. 700 and Rs. 600 respectively. After another 3 months, X withdrew two- sevenths of his stock but after 3 months, he puts back three-fifths of what he had withdrawn. The total profit at the end of the year is Rs. 726. How much of this should X receive?

A) Rs. 336 B) Rs. 366
C) Rs. 633 D) Rs. 663
 
Answer & Explanation Answer: B) Rs. 366

Explanation:

Profit ratio X & Y = (700 × 3) + (700 × 5/7× 3) + (700× 5/7 + 200 × 3/5 )× 6 : 600 ×12
X:Y= 7320 : 7200= 183:180
∴ X’s share from profit = 183 × 726/(183+180) = Rs. 366.

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1 5410
Q:

Find the sum of the all the numbers formed by the digits 2,4,6 and 8 without repetition. Number may be of any of the form like 2,24,684,4862 ?

A) 133345 B) 147320
C) 13320 D) 145874
 
Answer & Explanation Answer: B) 147320

Explanation:

Sum of 4 digit numbers = (2+4+6+8) x P33 x (1111) = 20 x 6 x 1111 = 133320 


Sum of 3 digit numbers = (2+4+6+8) x P23 x (111) = 20 x 6 x 111 = 13320 


Sum of 2 digit numbers = (2+4+6+8) x P13 x (11) = 20 x 3 x 11 = 660 


Sum of 1 digit numbers = (2+4+6+8) x P03 x (1) = 20 x 1 x 1 = 20 

 

Adding All , Sum = 147320

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Filed Under: Permutations and Combinations
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2 5410
Q:

Where is the headquarters of the United Nations Economic and Social Council (ECOSOC)  ?

A) Berlin B) Spain
C) London D) New York
 
Answer & Explanation Answer: D) New York

Explanation:

The Economic and Social Council (ECOSOC) is one of the six principal organs of the United Nations for coordinating the economic, social and environmental issues, as well as for implementing internationally agreed development goals. Recently, it is in news because India has been re-elected to the United Nations ECOSOC for another 3-year term. India was among 18 nations to win election to the Economic and Social Council (ECOSOC). India obtained 183 votes, the second highest after Japan in the Asia Pacific category. The elected members of ECOSOC for a three-year term beginning 1 January, 2018 are Belarus, Ecuador, El Salvador, France, Germany, Ghana, India, Ireland, Japan, Malawi, Mexico, Morocco, Philippines, Spain, Sudan, Togo, Turkey and Uruguay. The headquarters of the ECOSOC is located in New York, Unites States.

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Filed Under: General Science
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22 5408
Q:

Tom's father is thrice as old as Tom. 10 years ago Tom's father's age was 7 times his age. What is Tom's current age? 

 

 

A) 17 years  B) 16 years 
C) 15 years  D) 14 years
 
Answer & Explanation Answer: D) 14 years

Explanation:
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Filed Under: Problems on Ages
Exam Prep: Bank Exams

24 5405
Q:

The ratio of the speed of a boat downstream and speed of the stream is 9:1. If the speed of the current is 3 km per hr, find the distance travelled by the boat upstream in 5 hours.

A) 100 km B) 98 km
C) 109 km D) 105 km
 
Answer & Explanation Answer: D) 105 km

Explanation:

Let the speed of boat in still water is ‘x’ km/hr & that of stream is ‘y’ km/hr.
Then, ATQ
(x+y)/y = 9/1 9y = x + y
x = 8y
y = 3 km/hr
So, x = 24 km/hr
Upstream speed = 24-3 = 21 km/hr
Hence, distance travelled upstream in 5 hours = 21*5 = 105 km.

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Filed Under: Boats and Streams
Exam Prep: Bank Exams

8 5403
Q:

Which state government has launched “Mahaswayam portal” for job seekers and employers  ?

A) Andhra Pradesh B) Assam
C) Telangana D) Maharashtra
 
Answer & Explanation Answer: D) Maharashtra

Explanation:

The Chief Minister of Maharashtra Devendra Fadnavis has recently launched a web portal ‘Mahaswayam’ for job seekers, employers, entrepreneurs and training institutes. At ‘Mahaswayam’, job seekers will be able to register themselves, search as well as apply for jobs, inquire for training, get information on self-employment and get details of job fairs. Besides, training institutes can also register, get details on participation in the state skill development programme, get training fee receipts, and can also receive training fee through ECS. Apart from this, entrepreneurs can also post job vacancy advertisements at the portal.

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Filed Under: General Awareness
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4 5402