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Earn 100

Recently, a small village in Tamilnadu where only male shephereds reside with four sheep each, was devastated by Tsunami waves. Therefore 8 persons and 47 sheep were found to be dead and the people, who luckily survived, left the village with one sheep each. Since 21 sheep were too injured to move so have been left on their own luck in the village. The number of sheep which were earlier in the village is:

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Important Questions on Number System

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The number of 3-digit numbers which consist of the digits in A.P., strictly in increasing order using the non-zero digits of the decimal system is:
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The sum of:

22+42+62++1002-12+32+52++992 is:

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If an integer p is such that (8p+1) is prime, where p>2, then (8p-1) is:
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The remainder when 30+31+32++3200 is divided by 13 is:
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The remainder when 40+41+42+43++440 is divided by 17 is:
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In 40+41+42+43++440, if the divisor is 7 then the remainder is:
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A monkey wanted to climb on the smooth vertical pole of height 35 metres. In the first one minute, he climbs up 5 metres, in the next one minute, he slips down by 2 metres. Further, he repeated the same process till he has reached onto the top of the pole. How many times it has to go upward to reach the apex of the pole ?
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A monkey wanted to climb on the smooth vertical pole of a height of 35 Metres. In the first one minute he climbed up 5 Metres, in the next one minute he slipped down by 2 Metres. Further, he repeated the same process till he had reached the top of the pole. In 11th Times he goes upward to reach the apex of the pole. So how much time he required to do this job?