Question
How many persons are sitting in the
row? Study the following information carefully and answer the questions given below. Certain number of persons are sitting in a linear row. Some of them are facing in the north and some of them are facing in the south direction. Karthik faces the north direction. Naman sits exactly at the middle of the row and faces north. Jiggi and Karthik both are sitting second to the left and second to the right of Naman respectively. Ajay sits second to the right of Jiggi and faces the same direction as Jiggi. Hemant is an immediate neighbour of Karthik but doesn't sit adjacent to Naman. Gagan sits fourth to the right of Hemant and at the one of the ends of the row. Gagan faces the same direction as Hemant faces. Two persons sit between Vikas and Ajay. Vikas is not an immediate neighbour of Naman. Kamal sits second from the left end of the row and doesn't faces south. Persons that are sitting at the end of the row are facing opposite direction to each other. Atmost three persons sit between Jiggi and Kamal. Immediate neighbours of Kamal, Jiggi and Hemant face opposite direction with respect to each other and immediate neighbours of Ajay and Naman faces the same direction. Immediate neighbour of Gagan faces the opposite direction with respect to Gagan and the person who is the neighbour of Gagan’s neighbour also faces opposite direction with respect to Gagan’s neighbour.Solution
STEP I: Naman sits exactly at the middle of the row and faces north. Jiggi and Karthik both are sitting second to the left and second to the right of Naman respectively. As per this statement, the arrangement will look like this: 
STEP II: Ajay sits second to the right of Jiggi and faces the same direction as Jiggi. As per this statement, the arrangement will look like this: 
STEP IV: Gagan sits fourth to the right of Hemant and at the one of the ends of the row. Gagan faces the same direction as Hemant faces. As per these statements, the arrangement will look like this: 
STEP VI: Karthik faces the north direction. Kamal sits second from the left end of the row and doesn't faces south. As per these statements, the arrangement will look like this: 
A jar contains a mixture of two types of oil, A and B. Oil A costs Rs 60 per litre and oil B costs Rs 90 per litre. In what ratio should A and B be mixe...
In what ratio coffee at 255 Rs/kg should be mixed with the coffee at 310 Rs/kg so that after mixture its rate become 270 Rs/kg if the quantity of 1st ty...
A milk vendor has 93 litres of cow pure milk, 62 litres of toned milk and 124 litres of double toned milk. If he wants to pack them in cans so that each...
In a zoo, tiger and ostrich were counted. If heads were counted, there are 400 and if legs are counted there were 820. How many ostrich are there?
Cost of two types of pulses is Rs.12 and Rs, 17 per kg, respectively. If both the pulses are mixed together in the ratio 2:3, then what should be the pr...
A car travel 20km/h for 30 min and at x km/h for 45 min. If the average speed of the car for entire journey is 14 km/h find the value of x.
In what ratio mixtures of 22% concentration of alcohol and 35% concentration of alcohol are to be added so that the resultant mixture will have 30% conc...
Out of 10 men, 3 are wearing red caps, 4 are wearing green caps, and the remaining men are wearing orange caps. They are to be seated in a linear row. I...
A, B and C alone can complete a work in 20, 30 and 25 days respectively. All of them started working together but after 4 days from start A left the job...
How much groundnut powder at Rs. 90 a kg. should be added to 56 kg. of cashew powder at Rs.310 a kg. so that by selling the mixture for Rs. 280 a kg, a ...
