Let her income be 100%. Remaining income = (100 - 20) % = 80% Let the money spent on travel and food be Rs. 3x and Rs. 2x respectively. Now, according to question, => 3x – 2x = 512 => x = 512 Total money spent on travel and food together = 5x = 2560 => 80% --- 2560 => 100% ----- 3200 Therefore, her income is Rs. 3200.
If the volume of a cylinder is 196π and the ratio of radius to its height is 7:4 then find the curved surface area of cylinder?
A rectangular room measures 25 metres in length and has a perimeter of 78 metres. Calculate the total cost to carpet this room at a rate of Rs. 8 per sq...
A street of width 15 metres surrounds from outside a rectangular garden whose measurement is 160 m × 140 m. The area of the path (in square metres...
Angle bisectors of Q and R meet at point S, inside the triangle PQR. If angle QSR = 115˚ , then the measure of angle P is:
Two sides of the triangle are 14.8 cm and 10 cm. If height of the triangle corresponding to 14.8 cm side is 8 cm find the area?
...A tank whose length, width and height are 22 metres, 20 metres and 12 metres respectively is completely filled with juice. If the juice costs Rs.5/m
Find the surface area of the smallest cube that can perfectly fit a sphere of volume 47916π cm3 inside it.
If the area of a rhombus is 18954 m² and the ratio of the diagonals is 27: 39, then find the length of the shorter diagonal.
ABCD is a rectangle with AB = 12 cm and BC = 8 cm. O is the centre of a circle touching the three sides AB, BC, and CD of the rectangle ABCD. Find the a...
The mid points of AB and AC of a ∆ABC are X and Y, respectively. If BC + XY = 24 units, then the value of BC − XY is:
