This is an issue of dispute.

The safest opinion is to pray it 2 by 2.

Is it allowed to pray all the 4 sunnah rakahs of before zuhr together with a single salam?

Prayer | February 26, 2014 7:31 pm
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WHAT MUST THE IMAM DO AFTER THE PRAYER. IT IS THE PRACTISE IN THE GULF COUNTRIES- AFTER SALAM – HE TURNS BACK AND SIT FACING THE MAEMOOM PEOPLES. IS IT THE SUNNAH.?

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Is juma mandatory upon traveller?