Question
The noble gas used in radiotherapy
isSolution
The noble gas which is used in the treatment of cancer is Radon. The atomic number of Radon is 86 and is an element of the 6th period. It is a radioactive, odourless and tasteless noble gas. It is represented by Rn.
(51.99² - 19.05² )÷ ? = 14.11² - 140.33
9.99% of 19.86% of 30.23% of (11999.84 × 9.68) = ?
√1295.98 × √2704 ÷ 899.97 + 1915.375 = ?
A number is first increased by 35% and then decreased by 35%. If the net change in the number is 302.5, then find the original number.
The monthly savings of three individuals 'P', 'Q', and 'R' are such that the average savings of 'P' and 'Q', 'Q' and 'R', and 'R' and 'P' are Rs. 2,000,...
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
(?)2 + 6.113 = 25.92 – 19.03
(79.79% of 800.24 - √224.75) × (2/5 of 499.71) ÷ (10% of 600.26) = ?
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
65.22 of 359.98% + 459.99 ÷ 23.18 = ?
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