Question
The mean proportional of 3 and 147 is
_____.Solution
We know that, Mean proportion of 'a' and 'b' = √(a × b)
So, Mean proportion = √(3 × 147) = √441 = 21
Ratio of monthly income to monthly expenditure of A is 8:7, respectively and monthly savings of A is Rs. 2880. Find the monthly income of A.
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If the geometric mean of 4, 18, and (p + 4) is 12, what is the value of '0.4p'?
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In a business, A invested Rs. 1500 more than that by B. After 6 months, A left the business. If at the end of the year, profit earned by B is equal to t...
Find the simplified value of given expression
‘P’ and ‘Q’ invested Rs. 900 and Rs. 750 respectively in a business. After 6 months, ‘P’ increased his investment by Rs. 150 while ‘Q’ d...
If P(A ∪ B) = 0.75 and P(A ∩ B) = 0.3, then the value of P(Aᶜ) + P(Bᶜ) is:
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