150% of 84 + ?% of 130 = 230
150% of 84 + ?% of 130 = 230 => 126 + ?% of 130 = 230 => ?% of 130 = 104 => ? = 80
After offering a discount of 28 percent on the sale of an item, a seller made a profit of 12.5 percent. If the cost price of the item was Rs. y. What wa...
In a rectangular floor of length and breadth of 21 metres and 6 metres, respectively, square tiles each of 2 metre edge length are to be laid. If the co...
If sin (A + B) = cos (A + B), what is the value of tan A?
B invests 30% of his monthly salary on Travelling and 20% of remaining on Food. Again, he invested 25% of the remaining (after travelling and food expen...
The length of a rectangle is four times its breadth. If its length is increased by 20 cm and breadth is increased by 20 cm, the area of the rectangle is...
The areas of three adjacent faces of a cuboidal tank are 3 m², 12 m² and 16 m². The capacity of the tank. in litres, is:
The ratio of length to breadth of a rectangle is 5:4, respectively. Perimeter of rectangle is 144 cm. If each side of a square is 25% more than the brea...
The perimeter of a rectangle is 320 meters, and the difference between length and breadth is 80 meters. Find the area of the rectangle.
If the curved surface area and the radius of a cylinder are 550 cm2 and 7 cm, respectively, then find the volume (in cm3) of the c...
If you divide a 24.6 m long wire in the ratio 12: 29, what will be the length of the longer piece?