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ishit from EUROSCHOOL THANE, THANE WEST

Subject :NSO Class : Class 4

Which of the following telephone services can be used to call someone residing outside the country ?

APCO
BSTD
CISD
DBoth A & B

Can you tell the answer to this question

Ans 1:

Rounak J from Silver Oaks School , Hyderabad

Class : Class 8

the correct answer C

Soham Hatua from The Hindu Senior Secondary School, Adyar

Class : Class 5

I agree.