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p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Helvetica}span.s1 {font: 10.0px Helvetica}span.s2 {font: 7.5px Helvetica} If A, B, C, D and E are five prime numbers, sum of these five prime numbers = 266. It is given that A , the value of A 5 is (1) 243 (2) 32 (3) 3125 (4) Can’t determined

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Helvetica}span.s1 {font: 10.0px Helvetica}span.s2 {font: 7.5px Helvetica}

If A, B, C, D and E are five prime numbers, sum of these five prime numbers = 266. It is given that

A , the value of A5 is

(1) 243 (2) 32 (3) 3125 (4) Can’t determined

Grade:9

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
3 years ago
All prime numbers are odd numbers except 2.
Addition of two odd numbers gives us an even number.
working on this logic, we see that, if all the 5 prime numbers are odd, adding them will give us an odd result, thereby, at-least one of the prime number should be even. the only number fulfilling this criterion is 2.
therefore
A=2
A5=32

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