Question

Find out the correct statement  

1. British mine–owners were faced with the problem of water seeping into their mines
2. Employing human labour was cheap for this work
3. Newton invented a steam engine to pump water out of mines
4. Water had to be removed to get coal in mines

पर्याय

• (i) is correct

• (ii) and (iii) are correct

• (i) and (iv) are correct

• iii) is correct

Answer 1

(i) and (iv) are correct