Raja walks slower than Raghu and Raghu walks faster than Guru and Krishna walks faster than Guru, then who walks the faster?

Five friends are sitting in a row, looking in the south direction. Among them, Mohan is between Balu and Raju and Raju is on the immediate right of Parveen. Similarly, Amit is to the right of the Balu. Accordingly, who is on the right side?

Study the following information carefully and answer the questions given below-

(i) Six children B, D, C, M, J and K are divided into two groups of three each and are made to stand in two rows in such a way that a child in one row is exactly facing a child in the other row.

(ii) M is not at the ends of any row and is to the immediate right of J who is facing C. K is to the immediate left of D.

P, Q, R, S and T are sitting around a circular table. R is to the immediate right of P and is second to the left of S. T is not between P and S. Who is second to the left of R?

Some boys are  sitting in a row. P is sitting fourteenth from the left and Q is seventh from the right. If there are four boys between P and Q, how many boys are there in the row ?

The positions of how many digits in the number 2451479638 will remain same when the first half and the second half of the digits are arranged in ascending order separately?

Radhy is 7 ranks ahead of Sumit in a class of 39. If Sumit’s rank is seventeenth from the last, what is Radhy’s rank from the start? 

The weight of seven boys B1, B2, B3, B4, B5, B6 and B7 are compared. The weight of B5 is less than only one boy and more than that of B6. The weight of B4 is neither more nor less than B6 but more than B1, B7, B3. Who weighs the most?

During a prize distribution ceremony, Vikram was ninth from the left while Janhvi was eighth from the right in the front row. If Hariom was thirteenth from the left and was exactly in the middle of Vikram and Janhvi in the same row then what was the total number of people in the front row?