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Let the total income be x. So, x – 40% of x – 30% of x – 50% of (100 – 40 – 30)x/100 = 3900 => x – 40% of x – 30% of x – 15% of x = 3900 => 15% of x = 3900 => x= 3900 *100/15 = Rs. 26000 Total amount spend on househols items = 26000 * 40/100 = Rs. 10400
The diagonals of a rhombus measure 36 cm and 48 cm. A rectangle has a length of 32 cm, and its area is equal to the area of the rhombus. What is the per...
A gardener uses cylindrical roller of diameter 7 cm and length 28 cm to flatten a rectangular field of dimension 280cm × 165 cm. Find the number o...
If the area of a square field is 729 m2, then find the diagonal of the square field.
A sum of Rs.10600 is to be divided among 6 brothers, 5 sisters and 3 aunts. If each sister receives four times as much as each aunt and each brother rec...
Two cylindrical buckets 'A' and 'B' are such that the radius of bucket 'A' is thrice that of bucket 'B' whereas the height of bucket 'A' is twice that o...
The perimeter of semicircle is 36 cm and the radius of the semicircle is equal to the height of a Cylinder whose volume is 198 cm 3 . then fi...
'O' is a point in the interior of an equilateral triangle. The perpendicular distance from 'O' to the sides are Ö 3 cm, 2Ö 3 cm, 5Ö 3 cm. The perimet...
The sum of the total surface areas of two cubes is 1926 cm2. If the product of the length of their edges is 136 cm2, then find the...
The outer radius of a spherical shell is 8 cm, and the thickness of the shell is 2 cm. Find the volume of the metal used for the shell (in cubic cm).
