Number system Practice Question and Answer
8 Q: A number when divided by 192 gives a remainder of 54. What remainder would be obtained on dividing the same number by 16 ?
1022 0650d458363078e50a2943253
650d458363078e50a2943253- 12false
- 24false
- 36true
- 48false
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Answer : 3. "6"
Explanation :
Here, the first divisor 192 is a multiple of second divisor 16.
∴ Required remainder
= remainder obtained by dividing 54 by 16 = 6
Q: The value of (81)3.6 * (9)2.7/ (81)4.2 * (3) is __
1021 063033460c3bfb21b4ac229c4
63033460c3bfb21b4ac229c4- 13false
- 26false
- 39true
- 48.2false
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Answer : 3. "9"
Explanation :
(81)3.6 * (9)2.7/(81)4.2 * (3) = (3)14.4 * (3)5.4/(3)16.8 * (3)
= 314.4+5.4-16.8-1
= 32
= 9 Q: On adding a natural number P to the product of four consecutive natural numbers we get a perfect square number. The minimum value of P is:
1019 05feda0f06ce9586a0ff9432e
5feda0f06ce9586a0ff9432e- 18false
- 22false
- 34false
- 41true
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Answer : 4. "1"
Q: Which of the following numbers is divisible by 25?
1017 06321c5f064c0411bf18b4755
6321c5f064c0411bf18b4755- 1303310false
- 2373355false
- 3303375true
- 422040false
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Answer : 3. "303375"
Q: The largest natural number which exactly divides the product of any four consecutive natural numbers is
1013 06024eeabcce66f776c86c6b6
6024eeabcce66f776c86c6b6- 124true
- 2120false
- 36false
- 412false
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Answer : 1. "24 "
Q: The east positive integer that should be subtracted from 3011 x 3012 so that the difference is a perfect square is-
1012 0630351bd29cb4630442475e5
630351bd29cb4630442475e5- 13009false
- 23010false
- 33011true
- 43012false
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Answer : 3. "3011"
Explanation :
We know that 3011 x 3012
= 3011 (3011 + 1)
= (3011)2 + 3011
We know
Required least number = 3011
Q:Directions: Find the wrong number in the following number series:
0.5, 2, 1, 4, 32, 512, 16384
1011 064d4ba2490a003851de3eaf3
64d4ba2490a003851de3eaf3- 11false
- 22true
- 34false
- 432false
- 5512false
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Answer : 2. "2"
Q: The least number that should be added to 2,397 so that the sum is exactly divisible by 3, 4, 5 and 6 ?
1009 160bf5e4b5d840673873f1174
60bf5e4b5d840673873f1174- 16false
- 24false
- 33true
- 45false
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