Three persons Suresh, Devesh and Prashant were born on different days in the same year. If the date and month of birth of Suresh, Devesh and Prashant are numerically equal, then what could be the minimum difference in the ages of youngest and oldest in days

1.  56

2.  60

3.  61

4.  62

View Answer  
4
Correct Answer :

61


Explanation :
No Explanation available for this question

N persons stand on the circumference of a circle at distinct points. Each possible pair of persons, not standing next to each other, sings a two-minute song one pair after the other. If the total time taken for singing is 28 minutes, what is N

1.  5

2.  7

3.  9

4.  4

View Answer  
4
Correct Answer :

7


Explanation :
No Explanation available for this question

A small confectioner bought a certain number of pastries flavoured pineapple, mango and black-forest from the bakery, giving for each pastry as many rupees as there were pastry of that kind; altogether he bought 23 pastries and spent Rs 211; find the number of each kind of pastry that he bought, if mango pastry are cheaper than pineapple pastry and dearer than black-forest pastry.

1.  {10, 9, 4}

2.  {11, 9, 3}

3.  {10, 8, 5}

4.  {11, 8, 4}

View Answer  
4
Correct Answer :

{11, 9, 3}


Explanation :
No Explanation available for this question

How many subsets of {1, 2, 3, ... , 11} contains at least one even integer

1.  1900

2.  1964

3.  1984

4.  2048

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4
Correct Answer :

1984


Explanation :
No Explanation available for this question

A saint has a magic pot. He puts one gold ball of radius 1mm daily inside it for 10 days. If the weight of the first ball is 1 g and if the radius of a ball inside the pot doubles every day, how much gold has the saint made due to his magic pot

1.  gm

2.  gm

3.  gm

4.  gm

View Answer  
4
Correct Answer :

gm


Explanation :
No Explanation available for this question

The sum of the reciprocals of the ages of two colleagues is five times the difference of the reciprocals of their ages. If the ratio of the products of their ages to the sum of their ages is 14.4 : 1, the age (in years) of one of the colleagues must be between (both inclusive).

1.  20 and 23

2.  23 and 26

3.  26 and 30

4.  30 and 35

View Answer  
4
Correct Answer :

23 and 26


Explanation :
No Explanation available for this question

In a green view apartment, the houses of a row are numbered consecutively from 1 to 49. Assuming that there is a value of 'x' such that the sum of the numbers of the houses preceding the house numbered 'x' is equal to the sum of the numbers of the houses following it. Then, what will be the value of 'x'

1.  21

2.  30

3.  35

4.  42

View Answer  
4
Correct Answer :

35


Explanation :
No Explanation available for this question

A Metro train from Mumbai to Gurgaon has capacity to board 900 people. The fare charged (in Rs) is defined by the function: f =, where 'x' is the number of the people per trip. How many people per trip will make the marginal revenue equal to zero

1.  1728

2.  576

3.  484

4.  364

View Answer  
4
Correct Answer :

576


Explanation :
No Explanation available for this question

A man buys Bank's cash certificates every year for a value exceeding the last year's purchase by Rs 400. After 24 years, he finds that the total value of the certificate purchased by him is Rs 144,000. What is the value of the certificates purchased by him in the 13th year

1.  Rs 3820

2.  Rs 5400

3.  Rs 6200

4.  Rs 4530

View Answer  
4
Correct Answer :

Rs 6200


Explanation :
No Explanation available for this question

Ramesh has two examinations on Wednesday - Engineering Mathematics in the morning Engineering drawing in the afternoon. He has a fixed amount of time to read the textbooks of both these subjects on Tuesday. During this time he can read 80 pages of Engineering Mathematics and 100 pages of Engineering Drawing. Alternatively, he can also read 50 pages of Engineering Mathematics and 250 pages of Engineering Drawing. Assume that the amount of time it takes to read one page of the textbook of either subject is constant. Ramesh is confident about Engineering Drawing and wants to devote full time in reading Engineering Mathematics. The number of Engineering Mathematics text book pages he can read on Tuesday is:

1.  500

2.  300

3.  100

4.  60

View Answer  
4
Correct Answer :

100


Explanation :
No Explanation available for this question
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