Question
A, B and C started a online education website by
investing Rs.40,000, Rs.45,000 and Rs.50,000 respectively. Find the share of A’s, out of an annual profit of Rs.13500.Solution
Ratio of shares of A, B and C = Ratio of their investments = 40000: 45000: 50000 ⇒ 8 : 9 : 10 Therefore, A’s share = Rs. {13500 × 8/27} = Rs. 4000
Compute P(A∩B), if P(B) = 0.8 and P(AǀB) = 0.35
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In a group of 104 employees, the ratio of male to female employees is 6:7. The average wage of a male employee is Rs. 45, and the...
Let f: [3, ∞) → R be defined by f(x) = x² – 6x + 11. The range of f is:
The salaries of A and B are in the ratio 3:5. If the salary of A increases by 20% and the salary of B increases by 10%, the new sum of their salaries be...
If A is an orthogonal matrix, then A⁻ᵀ is
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