# If n = 4100, the number left is

1.  4098

2.  4090

3.  4096

4.    2048

4

4096

Explanation :
No Explanation available for this question

# What is the remainder when 21000 is divided by 25

1.  1

2.      24

3.  8

4.  17

4

1

Explanation :
No Explanation available for this question

# Suppose n is an integer such that the sum of the digits of n is 2, and 1010< n < 1011. The number of different values for n is

1.  11

2.  10

3.  9

4.  8

4

11

Explanation :
No Explanation available for this question

# If a/b+c=b/c+a=c/a+b=r, then r cannot take any value except

1.  1/2

2.   –1

3.  1/2 or –1

4.  –1/2 or –1

4

1/2 or –1

Explanation :
No Explanation available for this question

# Each family in a locality has at most two adults, and no family has fewer than 3 children. Considering all the families together, there are more adults than boys, more boys than girls, and more girls than families. Then the minimum possible number of families in the locality is

1.  4

2.  5

3.  2

4.  3

4

3

Explanation :
No Explanation available for this question

# x, y, z, and w are real numbers. If x, y, z lies in interval of (1,1) and w is in interval of (0,1), and that: logx w = 24 logy w = 40 logxyz w = 12 Find the value of logz w.

1.  16

2.  24

3.  36

4.  48

5.  60

5

60

Explanation :
No Explanation available for this question

# Find the number of pairs of positive integers (x, y) such that xy = y50

1.  6

2.  7

3.  8

4.  5

5.  10

5

7

Explanation :
No Explanation available for this question

# Let n be a positive integer such that when we add 1 to the product of any n consecutive positive integers, the result is a perfect square, then n equals

1.  2

2.  3

3.  4

4.  5

5.  none of these

5

4

Explanation :
No Explanation available for this question

# Express the base 7 repeating decimal 0.023023023023... as a base 10 fraction in lowest terms.

1.  119/2400

2.  23/999

3.  17/342

4.  23/666

5.  none of these

5

17/342

Explanation :
No Explanation available for this question

1.  50

2.  125

3.  250

4.  500

5.  600

5