Question
Eight persons P, Q, R, S, T, U, V and W sit in a linear
row. All of them face towards north. P sits third from one of the ends. Only two persons sit between P and S. S sits second to the left of W. Only four persons sit between V and T. Q sits to the left of T. R sits third to the left of U. Who among the following sits third to the left of T?Solution
P sits third from one of the ends. Only two persons sit between P and S. S sits second to the left of W. There will be two cases: ____  ____ P____  ____ S ___ W  ……… (I) ____  ____ S ____  W P ____ ____ ……..(II) Only four persons sit between V and T. Q sits to the left of T. R sits third to the left of U. R  V P   U   Q   S T W ……… (I) R  V  S  U  W P T ____ ……..(II) Case 2 will get discarded as Q sits to the left of T. Final arrangement: R        V        P        U        Q        S        T         W
Which one of the following is a compound?
A positively charged particle enters a uniform electric field directed downward. The force acting on the particle is:
What is the reason for twinkling of stars?
Which one of the following crops enriches nitrogen content in the soil?
Which device is used to measure atmospheric pressure?
Which of the following vitamin contains Cobalt?
The spokes used in the wheel of a bicycle increase its –
Electromagnetic waves travelling in a medium having relative permeability μr = 1.2 and relative permittivity Er = 0.012. The speed of electromagnetic w...
What is the main cause of the 'Itai-Itai' disease?
Which enzyme is present in human saliva?