Fractions and Decimals
Find the integer which when decreased by 2 is 80 times the reciprocal of the same number

10
11
13
12

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Fractions and Decimals
1/8th part of a pencil is black, half of the remaining is white. If the remaining part is blue and length of this blue part is 3 1/2cm, then find the length of the pencil ?

5
8
2
7

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