Ashish is given Rs 158 in one rupee denomination. He has been asked to allocate them into a number of bags such that any amount required between Re 1 and Rs 158 can be given by handing out a certain number of bags without opening them. What is the minimum number of bags required

1. 11

2. 12

3. 13

4. None of these

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Correct Answer :

Explanation :
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For a Fibonacci sequence, from the third term onwards, each term in the sequence is the sum of the previous two terms in that sequence. If the difference of squares of seventh and sixth terms of this sequence is 517, what is the tenth term of this sequence

1. 147

2. 76

3. 123

4. Cannot be determined

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Correct Answer :

123

Explanation :
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In some code, letters a, b, c, d and e represents numbers 2, 4, 5, 6 and 10. We don’t know which letter represents which number. Consider the following relationships: (i) a + c = e (ii) b – d = d and (iii) e = a = b Which statement below is true

1. b = 4, d = 2

2. a = 4, e = 6

3. b = 6, e = 2

4. a = 4, c = 6

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Correct Answer :

a = 4, e = 6

Explanation :
No Explanation available for this question

At his usual rowing rate, Rahul can travel 12 miles downstream in a certain river in six hours less than it takes him to travel the same distance upstream. But if he could double his usual rowing rate for his 24 mile round trip, the downstream 12 miles would then take only one hour less than the upstream 12 miles. What is the speed of the current in miles per hour

1. 7/3

2. 4/3

3. 5/3

4. 8/3

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Correct Answer :

8/3

Explanation :
No Explanation available for this question

Two men X and Y started working for a certain company at similar jobs on January 1, 1950. X asked for an initial salary of Rs 300 with an annual increment of Rs 30. Y asked for an initial salary of Rs 200 with a rise of Rs 15 every six months. Assume that the arrangements remained unaltered till December 31, 1959. Salary is paid on the last day of the month. What is the total amount paid to them as salary during the period

1. Rs 93,300

2. Rs 93,200

3. Rs 93,100

4. None of these

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Correct Answer :

Rs 93,300

Explanation :
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What is the minimum value of x for which the expression x3 – 7x2 + 11x – 5 gives positive values

1. 5

2. 8

3. 4

4. None of these

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Explanation :
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A rectangular pool 20 meters wide and 60 meters long is surrounded by a walkway of uniform width. If the total area of the walkway is 516 square meters, how wide, in meters, is the walkway

1. 43

2. 4.3

3. 3

4. 3.5

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Correct Answer :

Explanation :
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Let b be a positive integer and a = b2 – b. If b ≥ 4, then a2 – 2ais divisible by

1. 15

2. 20

3. 24

4. None of these

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Correct Answer :

Explanation :
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Fresh grapes contain 90% water by weight while dried grapes contain 20% water by weight. What is the weight of dry grapes available from 20 kg of fresh grapes

1. 2 Kg

2. 2.4 Kg

3. 2.5 Kg

4. None of these

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Correct Answer :

2.5 Kg

Explanation :
No Explanation available for this question

A change making machine contains 1 rupee, 2 rupee and 5 rupee coins. The total number of coins is 300. The amount is Rs 960. If the number of 1 rupee coins and the number of 2 rupee coins are interchanged, the value comes down by Rs 40. The total number of 5 rupee coins is

1. 100

2. 140

3. 60

4. 150

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Correct Answer :

140

Explanation :
No Explanation available for this question

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