Question
If the numerical value of the circumference of a circle
is half the numerical value of its area, then the radius of the circle is:Solution
ATQ- 2 π r = π r2 ×1/2 r = 4 units.
The total teachers in D are what percent less than the total teachers in B and C together?
If (x – 1/x = 5√2), then find the value of {(x4 + 1/x4 ) ÷ 1351}.
Simple interest earned on an amount of Rs. 2500 at rate of R% per annum after 4 years is Rs. 150. Find the simple interest earned on an amount of Rs. 12...
If P(A ∪ B) = 0.75 and P(A ∩ B) = 0.3, then the value of P(Aᶜ) + P(Bᶜ) is:
Solve |2x–5| = |x+1|.
In a trapezium, the lengths of the two parallel sides are 24 cm and 18 cm, and the distance between them is 16 cm. Find the length of the midsegment (li...
The ratio of the number of boys to girls in a school is 7:5. If 10 more boys join the school and 10 girls leave, the new ratio of boys to girls becomes ...
'P' invested a certain sum of money for 2 years at an annual compound interest rate of 20% and earned a total interest of Rs. 660...