Get Started with ixamBee
Start learning 50% faster. Sign in now
ATQ,
Let the edge length of the tetrahedron be 's' cm
Lateral surface area = 3 × (√3/4) × s²
As given,
108√3 = 3 × (√3/4) × s²
⇒ s² = 144
⇒ s = 12
Volume = (√2/12) × s³
= (√2/12) × 12 × 12 × 12
= 144√2 cm³
X and Y together complete a job in 18 days, while Y alone can do it in 30 days. The ratio of efficiencies of X and Z is 4:5 respectively. What is the ra...
‘A’ and ‘B’ can do a piece of work in 15 days and 18 days, respectively. They started working together but ‘A’ left after 5 days. Find the t...
A group of workers was put on a job. From the second day onwards, 1 worker left work everyday. If no worker was left when 52% of the work gets complete...
A alone can complete 60% of a work in 36 days while B takes 30 days more than A to complete it. If B and C together can complete the work in 40 days, th...
Efficiency of 'D' is 80% more than that of 'E' and 25% less than that of 'F'. They start working together, but 'E' leaves after 3 days, and the remainin...
P can do a piece of work in 30 days. Q do the same work in 40 days. R can do it in 35 days. P and R worked for 4 days and handed it to Q. Q worked for s...
If a task can be completed by either 10 boys or 12 girls in 10 days, how long will it take for a team of 5 boys and 2 girls worki...
A and B together can do a work in 10 days, B and C can do together in 5 days while C and A together can do in 12 days. In how many days C alone will com...
A and B can do a piece of work in 12 days and 18 days, respectively. They start working together, and after 4 days, A leaves the work. How many more day...
Person A is 80% more efficient than person B. A and B together can complete a certain task in 10 days, while B and C together can complete the same task...
