book Maths Puzzle Numerical Ability

Jill Loves math but she hates this problem
The sum of four numbers is 64.
If you add 3 to the first number,3 is subtracted form the secong number the third is multiplied by 3 and

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book Other Question

what is the smallest number that is divisible dy four different primes? a) Find the simple interests on a $16700 loan at an annual rate of 12,5% for two years.

b) The present population of a city is 784 968. The population grows annually at a rate o