Question

6. How many 7's are there in the
following number series, which are
preceded by an even number but not
followed by any odd?
437523721367542742712276572 *

Answer 1

Answer:

There are two 7's in series that preceded by an even number but not followed by any odd number.

Answer 2

Answer:

2 is the ans

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Step-by-step explanation:

the given order 437 5237 213 675 427 471 2274 572

in this it is said the no. are preceded by even

so here 4375in the between 3 and 5 is 7 so 7s after is 5 which is odd no. so in other 675 here also 7 s after is 5 which is odd so like this we got only 2 no.