The per cubic metre rates are ₹3,000 per cum for stone ballast, ₹2,000 per cum for coarse sand and ₹10,000 per cum for cement. For production of 10 m3 of 1 : 3 : 6 cement concrete, the cost will be (to nearest thousand):
1
₹51,000
2
₹66,000
3
₹26,000
4
₹84,000