Mr. Mendel grew one hundred flowering plants  from black-seeds and white seeds, each seed giving rise to one plant. A plant gives flowers of only one colour. From, a black seed comes a plant giving red or blue flowers. From a white seed comes a plant giving red or white flowers. How many black seeds were used by Mr. MendelA. The number of plants with white flowers was 10.B. The number of plants with red flowers was 70.

1.  1

2.  2

3.  3

4.  4

View Answer  
4
Correct Answer :

4


Explanation :
No Explanation available for this question

If n is an integer, is n even 1. 2n is an even integer. 2. n-1 is an odd integer.

1.  Statements (1) ALONE is sufficient, but statement (2) alone is not sufficient.

2.  Statements (2) ALONE is sufficient, but statement (1) alone is not sufficient.

3.  BOTH statements TOGETHER are sufficient, but NEITHER statement alone is sufficient.

4.  EACH statement ALONE is sufficient.

View Answer  
4
Correct Answer :

Statements (2) ALONE is sufficient, but statement (1) alone is not sufficient.


Explanation :
No Explanation available for this question

A fish tank contains a number of fish including 5 Fantails. If two fish are selected from the tank at random, what is the probability that both will be Fantails 1. The probability that the first fish chosen will be a Fantail is 1/2. 2. The probability that the second fish chosen will be a Fantail is 4/9.

1.  Statements (1) ALONE is sufficient, but statement (2) alone is not sufficient.

2.  Statements (2) ALONE is sufficient, but statement (1) alone is not sufficient.

3.  BOTH statements TOGETHER are sufficient, but NEITHER statement alone is sufficient.

4.  EACH statement ALONE is sufficient.

View Answer  
4
Correct Answer :

EACH statement ALONE is sufficient.


Explanation :
No Explanation available for this question

A boy starts adding consecutive natural numbers starting with one. After reaching a total of 1000, he realises that he has made the mistake of double counting one number. Find the number double counted.

1.  44

2.  45

3.  10

4.  12

View Answer  
4
Correct Answer :

10


Explanation :
No Explanation available for this question

A.  Aardvarks need sleep.  B. All animals need sleep. C. Dogs are animals. D. Some dogs need sleep. E. Aardvarks are animals. F. Some Aardvarks are dogs.

1.  BCD

2.  CEF

3.  BEA

4.  BAE

View Answer  
4
Correct Answer :

BEA


Explanation :
No Explanation available for this question

A. All mothers are women. B. All nurses are women. C. Some women are nurses. D. Some mothers are nurses. E. All hospitals have nurses. F. All hospitals have women.

1.  BCD

2.  EBF

3.  DEC

4.  EFB

View Answer  
4
Correct Answer :

EBF


Explanation :
No Explanation available for this question

A.  Some Zen's are cars. B. All Ambassador are cars. C. Some Zen's are Marquis. D. Some Ambassadors are Mark IV's E. All Marquis are cars. F. All Zen's are Marquis.

1.  BDF

2.   ECA

3.  ACF

4.  FBC

View Answer  
4
Correct Answer :

 ECA


Explanation :
No Explanation available for this question

Either the train is late; or it is derailed A. The train is late. B.  The train is not late. C.  The train has derailed. D. The train has not derailed.

1.  AB

2.  BC

3.  DB

4.  CA

View Answer  
4
Correct Answer :

BC


Explanation :
No Explanation available for this question

How many natural numbers (n) are there such that ( 16n2 + 7n + 6) / n is also a natural number

1.  4

2.   3

3.  Infinite in number

4.  None of these

View Answer  
4
Correct Answer :

4


Explanation :
No Explanation available for this question

A candidate was asked to find 7/8 of a positive number. He found out 7/18th of the number and got an answer, which was 770 less than the correct answer. What is the original number

1.  6160

2.  1584

3.  1260

4.  None of these

View Answer  
4
Correct Answer :

1584


Explanation :
No Explanation available for this question
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