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The average of 5 consecutive number is n. If the next two consecutive numbers are also included, then the average will .....

Aremains same

Bincrease by 1.5

Cincrease by 1

Dincrease by 1.4

Answer:

C. increase by 1

Read Explanation:

Let the 5 consecutive numbers be x, x+1, x+2, x+3, x+4 Average= (5x+10)/5= x+2=n Average of 7 consecutive numbers = (7x+21)/7= x+3=n+1 i.e, the average is increased by 1

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