Question
On a river, Q is the midpoint between two points P and R
on the same bank of the river. A boat can go from P to Q and back in 12 hours, and from P to R in 16 hours and 40 min How long would it take to go from R to P. sscSolution
Time required travelled from P to R = 16h +40min PQ=QR (Q is mid-point) Required time to travel PQ= (16h 40min)/2 =8h 20min Total required time from P to Q +Q to P =12 h 8h20min+Qto P = 12h Q to P = 12h-8h20min=3hour 40min ATQ- QP = RP/2 R to P =2 ×QP Required time R to P = 2×3h 40min =7h 20min =22/3 hours.
Six persons P, Q, R, S, T and U are of different ages. S is older than only T and R. Q is older than P but younger than U. R is not the youngest. The ag...
Who among the following is the third lightest person?
Who among the following weigh lighter than D?
There are six persons P, Q, R, S, T and U have different weights. U is heavier than P, who is heavier than T and Q. S is heavier than Q. R is heavier t...
There are 6 members in a family: Ram, Laxman, Bharat, Shatrugan, Sita & Urmila. The Salary of Sita is more than only one person. Ram has highest salary...
E, F, G, H and I are five sisters. G is younger than only two sisters. F is older than E but younger than G. I is not the oldest. Who is the oldest?
There are five persons V, B, S, A and G, who have different heights. V is taller than G but shorter than A. Suresh is shorter than V. B is the shortest...
Seven persons T, U, V, W, X, Y, and Z have different weights. V is heavier than W. U is heavier than T, who is just lighter than W. Y is lighter than Z...
There are six friends. R is taller than at most two persons. V is shorter than R. T is taller than U but shorter than S. W is taller than U but shorter ...
There are five persons (A, B, C, D and E) of different height. C is taller than only three persons. A is taller than B but shorter than C. E is taller t...
Relevant for Exams:
