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If the radius of a circle is increased by 30%, then by what percent will its volume increase? यदि एक गोले की त्रिज्या को 30 प्रतिशत से बढ़ाया जाता है, तो उसके आयतन में कितने प्रतिशत की वृद्धि होगी ?

In 1904 who discovered plum-pudding model of atom, according to which positive charge is spread over a sphere and electrons are embedded to the positive charge as resins are scattered in plum-pudding?

There are 75 students in a hostel. Due to new admission, 15 new students joined the mess, and the daily expenditure of the mess increased by Rs. 240. While the average expenditure per students decreased by Rs 5. What was the original expenditure of the mess (in Rs)?

Identify the wells resting on the water bearing strata and gets their supplies from the surrounding materials?/जल स्तर पर स्थित कुओं की पहचान करें और जो अपनी आपूर्ति आस-पास के पदार्थों से प्राप्त करते हो?

........ is available in different colours and contains lead, zinc, oil, petroleum, spirit and resinous matter. यह विभिन्न रंगो मे उपलब्ध है, और इससे सीसा, जस्ता, तेल, पेट्रोलियम, स्पिरिट और रालयुक्त पदार्थ शामिल है।

Find the value of 45 ÷ 0.09.

In a code language, if GREAT is written as 71822620 and MONK is written as 13121411, then how will VIGOROUS be written in the same language? एक कूटभाषा में, यदि GREAT को 71822620 और MONK को 13121411 लिखा जाता है, तो उसी भाषा में VIGOROUS को कैसे लिखा जाएगा?

What is called the bounded area by water sheds, which drains into a stream or river across which the dam has been built at a suitable place? वाटरशेड द्वारा घिरा हुआ क्षेत्र क्या कहलाता है, जो एक धारा या नदी में बहता है जिसके पार एक उपयुक्त स्थान पर बांध बनाया गया है?