Question
Ms. Neha and Ms. Tara launched a startup with a total
investment of Rs. ‘x’. Neha's share in the initial investment was 45%, and Tara invested the rest. In the second year, Neha raised her investment by 15%, and Tara raised hers by 25%. The combined second-year investment stood at Rs. 14,100. What was the initial total investment ‘x’?Solution
ATQ,
Neha’s investment = 45% of x = Rs. 0.45x Tara’s investment = 55% of x = Rs. 0.55x After one year, Neha’s amount = 115% of 0.45x = Rs. 0.5175x Tara’s amount = 125% of 0.55x = Rs. 0.6875x According to the question, 0.5175x + 0.6875x = 14,100 1.205x = 14,100 ⇒ x = 14,100 / 1.205 = Rs. 11,700
Find the circumference and area of a circle of radius 7 cm. Take π = 22/7.
The base of the triangular area is two times its height. If the cost of farming area is Rs. 2000 and Rs. 80 per hectare. Find its base (1 hectare = ...
The breadth of a rectangle is increased by 9 cm, it will become twice the length of the rectangle. If the new perimeter is 294 cm, then find the origina...
Two wires A and B are made of the same material and have the same length but different cross-sectional areas. If the resistance of wire A is 9 times the...
The cost of fencing a rectangular field at the rate of Rs. 5/metre is Rs. 350. If the length of the field is 11 metres more than its breadth, then find ...
In a rectangular floor of length and breadth of 19 metres and 6 metres, respectively, square tiles each of 2 metre edge length are to be laid. If the co...
The perimeter of an equilateral triangle is 36√3 cm. Find its height.
The volume of a cuboid is 480 cubic cm. If its length is 10 cm and breadth is 8 cm, find its height.
Find the length of a wire radius 0.40 cm which can completely cover the surface of a cylinder whose height is 1.6m and base radius 21 cm?
A wire, when bent in the form of a square encloses an area of 121 sq. cm. If the same wire is bent in the form of a circle, what is the area enclosed by...
