Question
Rs. 10400 was divided among A, B and C in the ratio
2:3:3. B kept Rs. 1200 for himself, gave Rs. 500 to his mother and divided the remaining money among his two sisters in the ratio 11:9. Then one of his sisters received:Solution
B’s share = Rs. 10400 × (3/8) = Rs. 3900 Money distributed between the two sisters, => Rs. [3900 – (1200 + 500)] = Rs. 2200 First sister’s share = Rs. 2200 × (11/20) = Rs. 1210 Second sister’s share = Rs. 2200 × (9/20) = Rs. 990
The amount of light entering in eye is controlled by:
What is the maximum value of deforming force upto which a material shows elastic property and above which the material loses it?
A sound wave has a frequency of 500 Hz and wavelength of 0.68 m. What is the speed of sound?
Two capacitors of 4 μF and 6 μF are connected in series. The equivalent capacitance is:
The focal length of a concave mirror is 20 cm. Where should an object be placed to get an image of the same size?
What is the SI unit of power of a lens?
What are the dimensions of the coefficient of viscosity?
Two tuning forks produce 4 beats per second. If one has a frequency of 256 Hz, the frequency of the other is:
If radius of earth is R then the height ‘h’ at which the value of ‘g’ becomes one-fourth is-
What is the point called where the total mass of a body is considered to be concentrated?