exam Maths Puzzle Numerical Ability

Allen bought 21 stamps in 37-cent and 20-cent denominations. If the total cost of the stamps was $7.26, how many 37-cent stamps did Allen buy?

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exam Other Question

3 to the exponent 1234 Determine which, if any, of the three statements are equivalent.
a) If today is Monday, then tomorrow is not Wednesday
b) It is false that today is Monday and tomorrow is not W