Number System Questions Practice Question and Answer
8 Q: The difference between the average of three consecutive even numbers and the average of the next two consecutive even number is 5. What is first even number?
1851 05da052b377652578d4f000e4
5da052b377652578d4f000e4- 110false
- 212false
- 314false
- 4Cannot be determinedtrue
- 5None of the abovefalse
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Answer : 4. "Cannot be determined"
Q: What approximate value will come in place of the question mark (?) in the following questions?
324.995 x 15.98 ÷ 4.002 + 36.88 =?
1838 05e4d0250701cfd31ff631c9b
5e4d0250701cfd31ff631c9b- 11300false
- 21230false
- 31440false
- 41380true
- 51340false
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Answer : 4. "1380 "
Q: Find the mean of first Five Prime Numbers.
1807 15f892fbadcf12a01a14e4d50
5f892fbadcf12a01a14e4d50- 15.4false
- 23.6false
- 35.6true
- 44.5false
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Answer : 3. "5.6"
Q: Smallest prime number greater than 200? 1791 05b5cc607e4d2b4197774b519
5b5cc607e4d2b4197774b519- 1201false
- 2205false
- 3211true
- 4203false
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Answer : 3. "211"
Explanation :
Answer: C) 211 Explanation: From the trial and error method of division, 201 is divisible by 3 205 is divisible by 5 203 is divisible by 7 Hence, after eliminating three options, remained is 211 and is divisible by only 1 and itself. Therefore, 211 is the smallest prime number greater than 200.
Q: If $${17}^{200}$$ is divided by 18, the remainder is:
1776 05d7788e5e871b064d456dfb5
5d7788e5e871b064d456dfb5- 117false
- 216false
- 31true
- 42false
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Answer : 3. "1"
Q: 64329 is divided by a certain number, 175, 114 and 213 appear as three successive remainders. The devisor is
1753 05d91f524a01ffd5718894157
5d91f524a01ffd5718894157- 1184false
- 2224false
- 3234true
- 4296false
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Answer : 3. "234"
Explanation :
Number at (i) = 643 – 175 = 468
Number at (ii) = 1752 – 114 = 1638
Number at (iii) = 1149 – 213 = 936
Clearly, 468, 1638 and 936 are multiples of 234 and 234 > 213.
Divisor = 234
Q: The smallest number of five digits exactly divisible by 476
1734 05d71f2c21a67ca48146839d1
5d71f2c21a67ca48146839d1- 147600false
- 210000false
- 310476false
- 410472true
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Answer : 4. "10472"
Q: 380 mangoes are distributed among some boys and girls who are 85 in numbers. Each boys gets four mangoes and each girls gets five. The number of boys is :
1679 05ee84de979b5ea388bec17d8
5ee84de979b5ea388bec17d8- 140false
- 245true
- 315false
- 438false
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