TCS Company Numerical Ability Ratio and Proportion

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?
a) Rs.525 b) Rs.1000 c) Rs.675 d) Rs.175

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TCS Other Question

In this question, X^Y means, X raised to the power Y. How many integers x satisfy the equation (x^2 - x - 1)^(x + 2)= 1?
o 4
o 2
o 3
o None of the other 3 choices
a shopkeeper charged 12rs