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what r the common types of concept based on which questions will be asked in ration proportion and averages

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Where to find the analysis of PYQ full mock tests taken ?

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Let A and B be two solid spheres such that the surface area of B is 300% higher than the surface area of A. The volume of A is found to be k% lower than the volume of B. The value of k must be ?

Raju and Lalitha originally had marbles in the ratio 4:9. Then Lalitha gave some of her marbles to Raju. as a result, the ratio of the number of marbles with Raju to that of with Lalitha became 5:6. what was the fraction of her original marbles was given to raju by Lalitha.

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where is jee section in app.
I paid for jee daily mock test.
but it not appear in app

The Number of integers n that satify the inequalities |n-60|

Solving questions in study room is quite tougher than solving in quant and verbal rush. Which one is best to improve fast