66) River Ganga does NOT pass through which of the following states?
A) Uttarakhand
B) Bihar
C) Madhya Pradesh
D) Uttar Pradesh
67) If an 8-digit number 256139A4 is divisible by 11, find the value of A.
A) 9
B) 8
C) 6
D) 7
68) If a man walks at 
of his usual speed, he reaches his office 20 minutes late than the usual time. Find the usual time he takes (in minutes).
A) 120
B) 100
C) 140
D) 160
69) The series of coalescing alluvial fans along a mountain front is called a:
A) bajada
B) floodplain
C) bouma sequence
D) mesa
70) A man covers 250 km, 120 km and 50 km at the speed of 50 km/h, k km/h and 25 km/h, respectively. If his average speed for the whole journey is 42 km/h, then what is the value of k?
A) 45
B) 35
C) 36
D) 40