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51.
Which of the following numbers is exactly divisible by 99?
- A.114345
- C.913464
- B.135792
- D.3572404
- Answer & Explanation
- Report
Answer : [A]
Explanation :
Explanation :
| The required number should be divisible by both 9 and 11. |
| Clearly, 114345 is divisible by both 9 and 11. So, it is divisible by 99. |
52.
On dividing a number by 999, the quotient is 366 and the remainder is 103. The number is :
- A.364724
- C.365737
- B.365387
- D.366757
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
| Required number = 999 x 366 + 103 = (1000 - 1) x 366 + 103 = 366000 - 366 + 103 | |||||
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53.
8756 x 99999 = ?
- A.796491244
- C.875591244
- B.815491244
- D.None of these
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
| 8756 x 99999 = 8756 x (100000 - 1) = (8756 x 100000) - (8756 x 1) | |||
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54.
The value of (112 + 122 + 132 + 142 + ............. + 202) is :
- A.385
- C.2870
- B.2485
- D.3255
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
| 112 + 122 + 132 + ........... + 202 | ||||||||||||
| = (12 + 22 + 32 + ........... + 202) - (12 + 22 + 32 + ........... + 102) | ||||||||||||
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55.
469157 x 9999 = ?
- A.4586970843
- C.4691100843
- B.4686970743
- D.584649125
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
| 469157 x 9999 = 469157 x (10000 -1) = (469157 x 10000) - (469157 x 1) | |||
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