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We need to drain out water that is not used, which is excess. So, option 2 is correct. Constant electricity fluctuation and irregular power availability for irrigation are daily problems faced by many farmers for a long time. If one travels through the southern districts of Tamil Nadu, especially during the early morning or late night hours, one can see farmers sitting next to their motor pumps waiting for electricity, to irrigate their crops. Though many farmers use diesel operated pumps, a suitable alternative , which requires neither diesel nor electricity and yet meets their irrigation requirements, may be welcome. The farmer grows paddy in his one acre and to meet his irrigation needs, he used to laboriously collect overflowing water from nearby fields and well using a bowl like structure made of discarded tyre tubes. As this work proved cumbersome and required additional labour to lift and pour the water into the fields, he decided to build a hand operated water-lifting device to irrigate the field from a canal or pond and drain out excess water from cultivated land.
A man buys 15 identical articles for a total of ₹15. If he sells each of them for ₹1.23, then his profit percentage is:
The average cost price of two items is Rs. 750. The first item is sold at a 15% profit, and the second item is sold at a 20% loss. Given that the combin...
Article ‘P’, if sold at a profit of 18% earns a profit of Rs. 360. If article ‘P’ is marked 30% above its cost price and then sold after offerin...
An article is sold at 15 (1/2) % profit. If its C.P. is increased by Rs. 40 and at the same time if its SP is also increased by Rs. 30, then % of profit...
A seller purchased 18 mangoes at Rs. 180 per dozen. He sold half of them at Rs. 240 per dozen, and 6 more mangoes at Rs. 18 each. At what price should ...
A Man sold 2 articles for ₹4,000 each, gained 10% on one and lost 20% on the other. What is the total gain or loss rounded to the nearest integer?
A person bought an article and sold it at a loss of 25%. If he had bought it at 20% less and sold it for 63 more, he would have gained 20%. Find the pro...
A shopkeeper purchased 70 kg of radish for Rs. 560 and sold the whole lot at the rate of Rs. 14 per kg. What will be his gain percent?
