Amit, Gaurav, Hatim, Varun, Yukti and Zaid are sitting in a straight line, all facing the north. Gaurav is fourth to the left of Amit. Yukti is sitting at one corner. Hatim is fourth to the left of Yukti. Zaid is third to the right of Gaurav. Who is sitting at the second place to the left of Zaid?

If ‘DEAN’ is written as ‘NOKX’ then ‘NEED’ is written as :

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

250, 275, 301, ?

In a certain code language, if YELLOW is written as BLUE, BLUE is written as RED, RED is written as GREEN, GREEN is written as WHITE and WHITE is written as ORANGE, then in the same code language, what is the colour of human blood? 

Select the letter-pair that can replace the question mark (?) in the following series.

AR, CU, EX, GA, ?

Direction. Study the following information carefully and answer the given below question:
 Alia, Babita, Chandu, Deepika, Esha, Fardeen and Geeta are seven Doctors, visiting a hospital on four days - Tuesday, Wednesday, Friday and Saturday of a week. At least one person must come on a day but not more than two. Each person has a different specialisation-
 HIV, Orthopaedics, Paediatrics, Neurology, Ophthalmology, Radiology and Oncology. Deepika comes with the Radiologist on Friday. The Paediatrician does not come on Saturday and also not with Esha or Geeta. Only the Oncologist comes on Tuesday. Babita comes on Wednesday and is not a Paediatrician. Chandu comes on Wednesday. Geeta is not a Radiologist. The Paediatrician comes with the HIV Specialist. The Neurologist comes on Friday. Alia is neither Specialization in an Orthopaedician nor a Radiologist. Nobady comes with Fardeen. 

On which of the following days does the specialist in Ophthalmology visit?

Study the following information carefully and answer the questions given below :
Sagar sells mobiles of seven different companies viz., Samsung, HTC, Lenovo, Intex, Micromax, Nokia and Oppo starting from Monday and ending on Sunday, but not necessarily in the same order. Sagar sold HTC on Monday. He sold only three mobiles between HTC and Samsung. He does not sell any mobile between the day he sold Samsung and Lenovo. He sold only two mobiles between Lenovo and Oppo. He sold Micromax mobiles the day immediately before the day he sold Oppo mobiles. He sold Intex on one of the days after Oppo but not on Sunday.

Which mobile did Sagar sell on Sunday?

A series is given with one term missing. Choose the correct option from the given ones that will complete the series.

821 460 749 580 701 652 ?