book Maths Puzzle Numerical Ability

1.Solve. One number is 5 more than anouther number. If the sum of the numbers is 285, find the numbers

2.The sum of four consecutive odd integers is 136. Find the integers.

3

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book Other Question

the lenght of a picture frame is 3 in. greater than the width. the perimeter is less than 52 in.Describe the dimensions of the frame.

please help me out and thank you....
Find (a) hte discriminant, (b) the number of solutions and (c) the nature of the solutions for 5x^2-7x-4=0