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What is the number of distinct quadratic equations having real roots that can be formed such that ax^2 + bx - 4 = 0 if a and b∈ {-5, -3, -1, 0, 1, 5}

A rectangular floor is fully covered with square tiles of identical size. The tiles on the edges are...

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10:101=11:?

a boat can travel 12.6 km upstream in 54 min. if the speed of the water current is 1/8 of the sleed of the boat in still water, how much distance in km the boat can travel downstream in 35 min?

(√5-2)²=?√80

I am cracku student. In rrb ntpc mock test:19, question no. :41, how to convert 44.44% to 4/9, 66.66% to 2/3, 8.33% to 1/12?

Can you please provide the solution of the previous year CGL papers

Are cracku mocks tougher than real CAT?

Find the 150% of X,if the least number which when divided by 6,7,8,9,12 leaves remainders 2,3,4,5,8.

Andhra Pradesh si question paper