Consider a sequence of seven consecutive integers. The average of the first five integers is n. The average of all the seven integers is:

1. n

2. n + 1

3. k*n, where k is a function of n

4. n + (2/7)

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Correct Answer :

n + 1

Explanation :
No Explanation available for this question

Let S be a set of positive integers such that every element n of S satisfies the conditions 1. 1000 ≤ n ≤ 1200 2. every digit in n is odd Then how many elements of S are divisible by 3

1. 9

2. 10

3. 11

4. 12

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Correct Answer :

Explanation :
No Explanation available for this question

The set of all positive integers is the union of two disjoint subsets: {f(1), f(2), ......... f(n)...........}and {g (1), g (2),............g (n), ...........},where f(1) < f (2) < ....... < f (n)......, and g (1) < g (2) < ..... < g (n) . .... . , and g (n)=f (n)+1 for all n ≥ 1. What is the value of g (1)

1. Zero

2. Two

3. One

4. Cannot be determined

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Correct Answer :

Two

Explanation :
No Explanation available for this question

Let x=√4 + √4 - √4 + √4 - …. to infinity. Then x equals

1. 3

2. (√13-1)/2

3. (√13+1)/2

4. √13

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Correct Answer :

(√13+1)/2

Explanation :
No Explanation available for this question

**Let N = 142*(1423/1425). What is the remainder when N is divided by 12**

1. 0

2. 9

3. 3

4. 6

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Correct Answer :

Explanation :
No Explanation available for this question

If x2 + 5y2 + z2 = 2y (2x + z) then which of the following statements are necessarily true A.x = 2yB.x = 2zC.2x = z

1. Only A

2. Only B and C

3. Only A and B

4. none of these

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Correct Answer :

Only A and B

Explanation :
No Explanation available for this question

When 2256 is divide by 17 the remainder would be :

1. 1

2. 16

3. 14

4. None of these

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Correct Answer :

Explanation :
No Explanation available for this question

Three pieces of cakes of weight 4 1/2 lbs, 6 3/4 lbs and 7 1/5 lbs respectively are to be divided into parts of equal weights. Further, each part must be as heavy as possible. If one such part is served to each guest, then what is the maximum number of guests that could be entertained

1. 54

2. 72

3. 20

4. none of these

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Correct Answer :

none of these

Explanation :
No Explanation available for this question

After the division of a number successively by 3, 4 and 7 the remainders obtained are 2, 1 and 4 respectively. What will be the remainder if 84 divides the same number

1. 80

2. 73

3. 41

4. 53

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Correct Answer :

Explanation :
No Explanation available for this question

76n - 66n, where n is an integer > 0, is divisible by :

1. 13

2. 127

3. 559

4. all of these

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Correct Answer :

Explanation :
No Explanation available for this question

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