Number System Questions Practice Question and Answer
8 Q: What is the smallest digit that must be added to the product 5786 × 5784 to make it a perfect square?
1268 0630ded3f4e3bf85cbe748a92
630ded3f4e3bf85cbe748a92- 11false
- 26false
- 35true
- 44false
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Answer : 3. "5"
Q: A number when divided by 6 leaves remainder 3. When the square of the same number is divided by 6, the remainder is :
1264 0650d36e3d2f211504875ecda
650d36e3d2f211504875ecda- 10false
- 21false
- 32false
- 43true
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Answer : 4. "3"
Explanation :
The remainder will be same.
On dividing 9 by 6, remainder = 3
On dividing 81 by 6, remainder = 3
Q: For what value of ‘y’, $$ {x^{2}+{1\over12}{x}+y^{2}}$$ is perfect square?
1264 0606426628aaa67545d7d4bcf
606426628aaa67545d7d4bcf- 11/3false
- 21/12false
- 31/24true
- 41/6false
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Answer : 3. "1/24"
Q: What should be the least added to 41116 so that the sum is divisible by 8?
1257 06322888a69fe1d77bc0639f6
6322888a69fe1d77bc0639f6- 15false
- 28false
- 34true
- 412false
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Answer : 3. "4"
Q: When 1062, 1134 and 1182 are divided by the greatest number .x, the remainder in each case is y. What is the value of (x − y)?
1255 064ba4fa5c3da05b2213e134d
64ba4fa5c3da05b2213e134d- 117false
- 218true
- 316false
- 419false
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Answer : 2. "18"
Explanation :


The value of (x-y) will be 18
Q: In a question on division, the divisor is 7 times the quotient and 3 times the remainder. If the remainder is 28, then the dividend is
1251 0650d3f3f73357650645d20e3
650d3f3f73357650645d20e3- 1588false
- 2784false
- 3823false
- 41036true
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Answer : 4. "1036"
Explanation :
Let the quotient be Q and the remainder be R. Then
Divisor = 7 Q = 3 R

∴ Divisor = 7 Q = 7 × 12 = 84
Dividend = Divisor × Quotient + Remainder = 84 × 12 + 28 = 1008 + 28 = 1036
Q: The least number that should be added to 35460 so that the sum is exactly divisible by 3, 4, 5 and 7 is:
1250 0647f2fb9e72c4684a1e258a6
647f2fb9e72c4684a1e258a6- 1180false
- 2420false
- 3240true
- 484false
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Answer : 3. "240 "
Q:Direction : What value should come in place question mark(?) in the following questions?
$$ 4{7\over 8}$$ - $$ 2{1\over 2}$$+$$ 1{3\over 4}$$=?
1248 05e9d147cdc1ff94610d1b524
5e9d147cdc1ff94610d1b524- 1$$ 4{5\over 8}$$false
- 2$$ 3{7\over 8}$$false
- 3$$ 8{1\over 4}$$false
- 4$$ 3{1\over 4}$$false
- 5None of thesetrue
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