What is the minimum number of square marbles required to tile a floor of length 5 metres 78 cm and width 3 metres 74 cm

1. 176

2. 187

3. 540

4. 748

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Correct Answer :

187

Explanation :
No Explanation available for this question

What number should be subtracted from x3+4x2−7x+12 if it is to be perfectly divisible by x + 3

1. 42

2. 39

3. 13

4. None of these

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Correct Answer :

Explanation :
No Explanation available for this question

Find the remainder when 289 is divided by 89

1. 1

2. 2

3. 87

4. 88

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Correct Answer :

Explanation :
No Explanation available for this question

Two four digit numbers are written side by side to form an eight digitnumber which is divisible by the product of the two nos. The pair is

1. 1234 , 5678

2. 5000 , 2000

3. 1334 , 3667

4. 3334 , 1667

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Correct Answer :

3334 , 1667

Explanation :
No Explanation available for this question

All the digits of a 50 digit positive number are 4 except for the nth digit.If the number is divisible by 13 for some choice of that nth digit, then howmany possible values can n have

1. 17

2. 21

3. 25

4. 33

5. none of them

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Correct Answer :

none of them

Explanation :
No Explanation available for this question

Allwin likes to talk only in integer numbers. So much that he roundsoff everything including his course average points to the nearest integer. Forexample, 89.34 is 89 and 99.54 is 100, and 115.5 is 116. Allwin always calculatesthe average (real) on the cumulative points so far. After his 75 pointsin Finance, his rounded average drops by 1 point. Next, after 83 pointsin strategy paper, his rounded average further plummets down by 2 points.Which among the following is not true

1. The minimum possible number of courses is less than 15

2. The maximum possible number of courses is not more than 50

3. The minimum possible current rounded average is 95

4. Either of 126 or 127 can be the current rounded average

5. none of the foregoing

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Correct Answer :

Explanation :
No Explanation available for this question

The leftmost digit of an integer of length 2000 digits is 3. In this integer,any two consecutive digits must be divisible by 17 or 23. The 2000thdigit may be either a or b. What is the value of a+b

1. 4

2. 3

3. 5

4. 7

5. 9

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Correct Answer :

Explanation :
No Explanation available for this question

Consider a 4 digit number. the first 2 digits are equal and last 2 digitsare also equal. How many of such digits are perfect square

1. 0

2. 1

3. 2

4. 3

5. None of these

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Correct Answer :

Explanation :
No Explanation available for this question

What is the remainder when 37 is divided by 8

1. 1

2. 2

3. 3

4. 5

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Correct Answer :

Explanation :
No Explanation available for this question

A boy writes all the numbers from 100 to 999. The number of zeroes that he uses is 'a', the number of 5's that he uses is 'b' and the number of 8's he uses is 'c'. What is the value of b+c-a

1. 280

2. 380

3. 180

4. 80

View Answer

Correct Answer :

380

Explanation :
No Explanation available for this question

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