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when N is divided by X the remainder is 28. When N is divided by 10X the remainder is 125. What will be the remainder when N is divided by 5X.
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CAT Other Question
A man left X for Y and another man left Y for X at the same time. After reaching their destinations, they turned back without stopping.They crossed each other at a point 30 KM from X on their onward trip and 20 KM from Y on their return trip. Find XY.
The answer is 70, please help with the approach. Thanks.
One root of x2 +kx – 8 = 0 is square of the other, then, the value of k is-
Options:
2,8,-8,-2