AMDOCS Numbers, decimal fractions and power Problems with Solutions Quiz-1

Question 1

Time: 00:00:00
There are four prime numbers written in ascending order of magnitude. The product of first three is 385 and that of last three is 1001. Find the first number:

5

5

7

7

11

11

17

17

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Question 2

Time: 00:00:00
A rectangular courtyard 3.78 meters long and 5.25 meters wide is to be paved exactly with square tiles ,all of the same size. What is the largest size of the tile which could be used for the purpose:

14cm

14cm

21cm

21cm

42cm

42cm

none of these

none of these

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Question 3

Time: 00:00:00
The largest four digit number which is a multiple of 8, 10,12 and 15 is

5421

5421

55

55

255

255

9960

9960

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Question 4

Time: 00:00:00
Rajeev multiplies a number by 10, the log (to base 10) of this number will change in what way:

Increase by 10

Increase by 10

Increase by 1

Increase by 1

Multiplied by 10

Multiplied by 10

None of these

None of these

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Question 5

Time: 00:00:00
The unit’s digit in the product (771 x 659 x 365) is:

1

1

2

2

4

4

6

6

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Question 6

Time: 00:00:00
1.52 * 0.02251/2 = ?

0.0375

0.0375

0.0171076

0.0171076

3.275

3.275

32.75

32.75

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Question 7

Time: 00:00:00
If x1/2 / 4411/2 = 0.02, the value of x is:

0.1764

0.1764

1.764

1.764

23.65

23.65

2

2

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Question 8

Time: 00:00:00
The value of 21/2 upto three places of decimal is:

1.41

1.41

1.412

1.412

1.4123

1.4123

1.414

1.414

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Question 9

Time: 00:00:00
The value of (8-25- 8-26) is:

7 x 8-25

7 x 8-25

7 x 8-26

7 x 8-26

8 x 8-26

8 x 8-26

None of these

None of these

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Question 10

Time: 00:00:00
If 22n-1 = (1 / 8n-3) then the value of n is:

3

3

2

2

0

0

1

1

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["0","40","60","80","100"]
["Need more practice! \r\n","Keep trying! \r\n","Not bad! \r\n","Good work! \r\n","Perfect! \r\n"]

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