Which of the following numbers will replace the question mark (?) in the given series?

BLJS, FOLT, ?, NUPV, RXRW

Directions: Study the following information carefully and answer the questions that follow:

Five persons T, N, R, C and G went to the market on different days of a week from Monday to Friday, but not necessarily in the same order. They wore different types of cloths among Cotton, Silk, Wool, Leather and Linen. Additional information about them is given below.

Three persons went to the market between the persons who wore Cotton and Leather. T wore Silk cloth and went on one of the days after C. C did not wear Linen. Two persons went to the market between R and N. R and G did not wear Leather. The number of persons who went to the market before N is more than the number of persons went to the market after N. C did not go to the market on Monday.

Who went to the market at the first and last respectively?

Find the number of rectangles?

Directions: Study the following information to answer the questions.

Twelve people are sitting in two parallel rows containing 6 people each, in such a way that there is an equal distance between adjacent persons. In row-1 P, Q, R, S, T, and U are seated and all of them are facing south. In row-2 A, B, C, D, E and F are seated and all facing North. Therefore, in the given seating arrangement each member seated in a row faces another member of the outer row.
 S sits third to right of Q, either S or Q sits an extreme end of line. The one who faces Q sits second to right of E. Two people sits between B and F. Neither B nor F sits at an extreme end of the line. The immediate end of line.
 The immediate neighbour of B faces the person who sits third to left of P, R and T are immediate neighbours of the each other. C sits second to the left of A. T does not face the immediate neighbour of D.

Which of the following is true regarding T?

Select the set in which the numbers are related in the same way as are the numbers of the following sets.

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding /deleting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

(3, 6, 18) (5, 7, 35)

Select the option that is related to the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term.
 25 :4 :: 64 : ? :: 225 :14

The number of cubes which are at least one surface coloured ? 

Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
AAI, AEI, AII, AOI, ?