Pick up the explosive used for tunneling in soft rocks from the following: 

A thin purable suspension of slaked lime in water is known as 

Negative skin friction on piles. 

A train 240 m long passes a pole in 24 seconds. How long will it take to pass a platform 650 m long? 

A vendor bought toffees at 6 for a rupee. How many for a rupee must he sell to gain 20%? 

What is the practice of keeping an unrelated man as a husband by a widowed woman who has passed away in the Rajbansi cas…

The standard width of asbestos cement corrugated sheet is 

Pick up the incorrect statement.