Business Mathematics

131. If there is only one column in a matrix, it is called ______________.

1. Row matrix .
2. column matrix.
3. square matrix.
4. rectangular matrix.

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132. C.I. stands for ______________.

1. Compound Interest
2. Simple Interest
3. Rate Of Interest
4. No.of.years.

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133. In calculation of interest 'n' stands for

1. Rate of interset
2. Amount
3. Principal
4. No.of.years

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134. The amount of time that is expected to complete the activity is called ______________

1. Latest time.
2. Earliest time.
3. Most likely time.
4. Both a & b.

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135. In Transportation problem optimal solution can be verified by using ______________.

1. north west corner rule.
2. least cost method.
3. MODI method.
4. matrix method.

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136. The necessary and sufficient condition for the existence of a feasible solution to a transportation problem is a solution that satisfies all the conditions of ______________.

1. supply.
2. demand.
3. supply and demand.
4. either supply or demand.

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137. If A = {1, 2, 3, 4, 5}, then the number of proper subsets of A is

1. 120
2. 30
3. 31
4. 32

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138. Two finite sets have n and m elements. The number of elements in the power set of first set is 48 more than the total number of elements in power set of the second set. Then the values of m and n are

1. 6, 4
2. 7, 6
3. 6, 3
4. 7, 4

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139. If a class with n students is organized into four groups keeping the following conditions
Each student belongs to exactly two groups
Each pair of groups has exactly one student in common, what is the value of n?

1. n = 11
2. n = 7
3. n = 9
4. None of these

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140. In a recent survey conducted by cable T.V., among the people who watch DD, ZEE and STAR TV., it is found that 80 % of the people watched DD, 22% watched Star TV, and 15 % o watched Zee. What is the maximum percentage of people, who can watch all the three channels?

1. 12.5 %
2. 8.5 %
3. 15 %
4. Data insufficient

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