Question
A solid cube, whose edge is of length 60 cm, is melted.
Identical solid cubes, each of volume 216 cm3, are made of this molten cube, without any wastage. How many such small cubes are obtained?Solution
the number of small cubes = volume of big cube/volume of small  given- the volume of a small cube = 216cm3 side of big cube = 60 Then volume = 60×60×60= 216000cm3 now several small cubes= 216000/216  = 1000
A, B and C started a partnership with investment of Rs. X - 1200, Rs. X and Rs. X + 1800. If profit of B is invested in a scheme at the rate of 18% for...
In a business, A invested Rs. 1400 more than that by B. After 5 months, A left the business. If at the end of the year, profit earned by B is equal to t...
Ajay and Akash together start a business with investment of Rs. 1500 and Rs. ‘x + 1300’, respectively. If the profit earned after 5 years is...
- P and Q started a business by investing Rs. 24000 and Rs. 30000, respectively. After 4 months, R also joined them by investing Rs. 36000. If the annual pro...
If a sum of money is to be divided among A, B, C such that A’s share is equal to thrice B’s share and B’s share is 5 times C’s share then their ...
"M" initiated a business with an investment of Rs. 21,000. Subsequently, after a certain number of months, "N" entered the partnership by contributing R...
A and B together start a business with investment of Rs. 2000 and Rs. (x + 600), respectively. If the profit earned after 5 years is Rs. 6000 and share ...
'A' and 'B' started a business with an investment of Rs. 2,000 and Rs. 2,500, respectively. After 6 months, 'C' joined them with an investment of Rs. 3,...
A spent 25% of his monthly income on study and 55% of the remaining on rent. If amount spent on rent is Rs. 825, then find the amount spent on study
‘X’ invested Rs. 28000 in a business. ‘Y’ joined after ‘x’ months with an investment of Rs. 12000 less than ‘X’. If the ratio of the pro...