Aptitude Question:
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Find the value of 678 to base 7...if possible give me steps and how to solve?

Answer:

divide 678 by 7 we ll get 6 as remainder.... again divide d quotient by 7 we get 5 as remainder... again divide quotient getting 6 as remainder...again doing 1 as remainder.... just reverse the order of remainders we got........ we ll get 1656..

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Bhanu spends 30% of his income on petrol on scooter. ΒΌ of the remaining on house rent and the balance on food. If he spends Rs.300 on petrol then what is the expenditure on house rent?

Choices :
a) Rs.525
b) Rs.1000
c) Rs.675
d) Rs.175		Given $ means Tripling and % means change of sign then find the value of $%$6-%$%6?