Instructions

For the following questions answer them individually

Question 71

In May, John bought the same amount of rice and the same amount of wheat as he hadÂ bought in April, but spent â‚¹ 150 more due to price increase of rice and wheat by 20%Â and 12%, respectively. If John had spent â‚¹ 450 on rice in April, then how much did heÂ spend on wheat in May?

Question 72

If x and y are non-negative integers such that $$x + 9 = z$$, $$y + 1 = z$$ and $$x + y < z + 5$$, then the maximum possible value of $$2x + y$$ equals

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Question 73

Aron bought some pencils and sharpeners. Spending the same amount of money asÂ Aron, Aditya bought twice as many pencils and 10 less sharpeners. If the cost of oneÂ sharpener is â‚¹ 2 more than the cost of a pencil, then the minimum possible number ofÂ pencils bought by Aron and Aditya together is

Question 75

In how many ways can a pair of integers (x , a) be chosen such that $$x^{2}-2\mid x\mid+\mid a-2\mid=0$$ ?

Question 76

if x and y are positive real numbers satisfying $$x+y=102$$, then the minimum possible valus of $$2601(1+\frac{1}{x})(1+\frac{1}{y})$$ is

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