Question
A right rectangular box’s measurement are 1.6 m long,
90 cm wide, 60 cm in height. Soap cakes of measurement 6 cm × 5 cm × 40 mm are to be packed in the box, so that no space is left. How many cakes can be packed in the box?Solution
Length of the box = 1.6m = 160cm Breadth of the box = 90cm Height of the box = 60cm The volume of the box = 1xbxh = 160 × 90 × 60 = 864000cm3 Length of a soap cake = 6cm Breadth of a soap cake = 5cm Height of a soap cake = 40mm = 4cm Volume of one soap cake = 6 x 5 x 4 = 120cm3 = volume of the box/volume of one soap cake = 864000/120 = 7200 Hence, 7200 soap cakes can be placed in the box.
Ravi and Rekha, alone can complete a work in 25 days and 50 days, respectively. They started the work together and left after 10 days such that the rema...
A alone can finish a piece of work in 10 days and B alone can finish it in 15 days. They work together for 3 days and the remaining work is finished by ...
P, Q & R can finish a work in 10 days, 15 days, and 20 days, respectively, working alone. P and Q work on the first day, P and R work on the second day,...
(x + 6) workers complete 40% of a job in 8 days by working 5 hours/day. The remaining work is done by (x + 2) workers in 16 days working 5 hours/day. Fi...
Amin, Basha and Cheez can do a piece of work in 90, 40 and 12 days respectively. But they decide. That a single person will work in a day and receive Rs...
138 unit of work can be completed by P alone in 23 days. P started working alone and joined by Q after 11 days such that they completed the remaining wo...
- Two workers, A and B, can finish a task in 36 days and 48 days respectively, working alone. How many days will they take to complete the work together?
- Pipes X and Y can fill a tank in 45 minutes and 60 minutes respectively. Another pipe Z can empty the tank in 1 hour 30 minutes. If X and Z are opened firs...
8 men working 6 hours a day can complete a piece of work in 6 days. If efficiency of each woman is 20% more than that of each man, then how many women w...
- Alok finishes 60% of a project in 30 days, while Neha finishes 20% of the same in 15 days. Alok worked for 25 days and then stopped. Find the time taken by...