(a) Sheikh Mohammed bin Rashid Al Maktoum
(b) Sheikh Khalifa bin Zayed Al Nahyan
(c) Sheikh Hamdan bin Mohammed bin Rashid Al Maktoum
(d) Sheikh Saud bin Saqr Al Qasimi
Ans.(b)
Sol. Sheikh Khalifa has been the President of the UAE since 2004 and is also the ruler of Abu Dhabi.
