Q: If a solid sphere of radius 10 cms is moulded into 8 spherical soli – McqOptions

MCQOPTIONS

1.	Q: If a solid sphere of radius 10 cms is moulded into 8 spherical solid balls of equal radius, then surface area of each ball (in sq.cm) is ?
A.	100 π
B.	101/π
C.	99 π/12
D.	54/13π
Answer» B. 101/π

Discussion

No Comment Found

Related MCQs

Q: With an average speed of 40 km/hr, a train reaches its destination in time. If it goes with an average speed of 35 km/hr, it is late by 15 minutes. Find the length of the total journey?
Q: Without any stoppage, a person travels a certain distance at an average speed of 42 km/h, and with stoppages he covers the same distance at an average speed of 28 km/h. How many minutes per hour does he stop?
Q: Write 0.125 as a percent %?
Q: X can complete the work in 10 days, Y can do the same in 15 days. If they are hired for 5 days to do the work together, what is the work that left unfinished?
Q: You drive to the store at 20 kmph and return by the same route at 30 kmph. Discounting the time spent at the store, what was your average speed ?
Q: Which value is equal to 5% of 1,500?
Q: Which two months in a year have the same calendar?
Q: Which one of the following is not a prime number?
Q: Which of the following is not a prime number?
Q: Which is the next number in the sequence: 1, 3, 6, 11, 20, 37, ??