[254.] Put 4 figures together to equal 30, and the same figures to equal 40.
[255.] A Salvation Army captain took up a collection, his lieutenant took up another; if what the captain took up was squared and the lieutenant’s added the sum would be 11d.; if what the lieutenant took up was squared and the captain’s added the sum would be 7d. What was the amount of the collection?
[256.] Find a number which, if multiplied by 17, gives a product consisting only of 3’s.
THE “FOWL” PROBLEM.
[257.] If a hen and a half lay an egg and a half in a day and a half, how many eggs will 6 hens lay in 7 days?