The slant height of a conical mountain is 2.5 km and the area of its base is 1.54 km2. The height of the mountain is (a) 2.2 km    (b) 2.4 km    (c) 3 km    (d) 3.11 km

The slant height of a conical mountain is 2.5km and the area of its base is 1.54km2. The height of the mountain is 2.2km (b) 2.4kmquad (c)3km (d) 3.11km

The slant height of a conical mountain is 2.5 km and the area of its base is 1.54 km^2 . Taking pi= 22/7 , the height of the mountain is:

5 km 5 m = ? (a) 5.5 km (b) 5.05 km (c) 5.005 km (d) 5.0005 km

Why is the maximum height of mountain about ~ 10 km on earth ?

1m is equal to (a)0.1km (b) 0.01km (c) 0.001km (d) 0.0001km

1m is equal to 0.1km (b) 0.01km (c) 0.001km (d) 0.0001km

A fisherman can slow 2 km against the stream in 20 min and return in 15 min. What is the speed of the current? (A) 1 km/h (B) 6 km/h (C) 10 km/h (D) 2 km/h

A boat running downstream covers a distance of 10 km in 2 h. While coming back stream the boat takes 5 h to cover the same distance. If the speed of the current is 1.5 km/h. what is speed of the boat in still water? (A) 2.5 km/h (B) 3.5 km/h (C) 5.3 km/h (D) 4.3 km/h

What is the mean thickness of oceanic crust? (1) 5 km (2) 30 km (3) 10 km (4) 70 km