Question
Which of the following celestial bodies contains
abundant quantities of helium-3, a potential source of energy?Solution
The Moon and other celestial bodies contain a vast amount of natural resources. One, and in abundance, is helium-3. It is estimated that forty tons of it can meet twenty five percent of the global energy demand for one year.
If 'R' is the prime number 3, then find the fourth proportion of (R + 2), (R - 1) and (R + 7).
The ratio of speeds of A and B is 3:4 and A takes 15 minutes more than B to reach the destination, how many hours will Be to reach the same place?
An amount is distributed among X, Y, Z, and W in the ratio 3:5:7:4 respectively. If the amount received by Y is Rs. 2,000 , then find the amount receiv...
'A' varies directly as 'B'. If at 'A' = 25, value of 'B' is 40, then find the value of 'A' at 'B' = 96.
A sum of Rs. 723 is divided among X, Y and Z such that X gets Rs. 168 more than Y. Y gets Rs. 78 more than Z. Find the share of Z?
Find the third proportion of 20 and 30.
Shops 'A' and 'B' together purchased a total of 9,200 notebooks in the ratio of 2:7 for shop 'A' and 4:9 for shop 'B'. Shop 'A' managed to sell 25% of i...
$15000 was split between P, Q and R in the proportion of 6:9:15.Q kept $1400 for herself, gave $600 to her grandma and shared the remainder between her ...
In College A, the ratio of boys to girls is 3:2, while in College B, the ratio is 7:3. If 20% of the boys from College A are undergraduates and 60% of t...
The ratio of land and water on the entire Earth is 1:2. If this ratio is 1:4 in the Northern Hemisphere, then what will be this ratio in the Southern He...
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