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1. A boy was asked to find the LCM of 3,5.12 & another number. But while calculating, he wrote 21 instead of 12 and yet came with the correct answer.

What could be the 4th number? Send the solution.
2. Which two digit numbers when added to 27 get reversed? Find the solution.
3. From a basket of mangoes when counted in twos there was one extra, counted in threes there were two extra, counted in fours there were three extra, counted in fives there were four extra, counted in sixs there were five extra. But counted in seven there were no extra. How many mangoes were there in the basket? Send the solution.


Number.2- Solution 72-27=45
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