In the following number series, one number is wrong. Find the wrong number Number series : 1, 2, 6, 15, 31, 56, 91
A31
B91
C15
D56
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
Seven friends, Q, R, S, T, W, X and Y, are sitting around a circular table facing the centre of the table. T sits third to the left of S. Only one person sits between S and Q when counted from the left of Q. Only two people sit between X and W when counted from the right of W. R is an immediate neighbour of X. How many people sit between Y and T when counted from the right of Y?
A, B, C, D, E and F are sitting around a circular table, facing the centre. E sits third to the right of A. C sits to the immediate left of F. F is not an immediate neighbour of A. B sits to the immediate right of D. The position of how many persons will remain unchanged, if all the persons are arranged in the English alphabetical order in the clockwise direction, starting from A (including A)?
D, A, W, N, O, R and E are sitting around a circular table facing the centre. N sits to the immediate right of D and to the immediate left of E. Only one person sits between D and R. O sits second to the right of E. Only one person sits between R and A. Who sits to the immediate left of W?
Five patients A, B, C, D and E are sitting on a bench to consult a physician in a hospital. Patient A is sitting next to B, patient C is sitting next to D, D is not sitting with E who is at the left end of the bench. Patient C is sitting second from the right, patient A is to the right of B and E. Two patients A and C are sitting together. In which position is patient A sitting ?
Five sisters viz. Neha, Komal, Radhika, Sapna and Parul were ranked based on their professional positions. Neha is ranked second. Komal is at the highest position among all. Sapna is ranked only above Radhika. Who among the following got 3rd rank?