New Enroll in RBI Grade B New Batch - Starts on May 21

Question

‘M’ alone can complete a work in 18 days. ‘N’ is

50% as efficient as ‘M’. How long will they take to complete the work together?

A 15 days

B 22 days

C 18 days

D 12 days

Practice Next

More Time and work Questions

Which letter-cluster will replace the question mark (?) in the following series?
RGV, UME, ?, AYW, DEF
Select the number that can replace the question mark (?) in the following series.

24, 28, 37, 53, 78, ?
A series is given with one term missing. Choose the correct alternatives from the given ones that will complete the series.

57, 59, 56, 61, 54, ___
Select the letter-pair that can replace the question mark (?) in the following series?

FK, HM, LQ, RW, ZE, ?
Select the number from among the given options that can replace the question mark (?) in the following series.

17, 18, 22, 31, 47, ___
Which letter-cluster will replace the question mark (?) in the following series?
NPQR, OORQ, PNSP, ____, RLUN
Which letter and number cluster will replace the question mark (?) to complete the given series?

LT6, KU12, IW24, FZ48, ____