Ques:- Thirty men take 20 days to complete a job working 9 hours a day. How many hour a day should 40 men work to complete the job?
A. 8 hrs
B. 7 1/2 hrs
C. 7 hrs
D. 9 hrs
Ques:- In a certain code language, the word ENQUIRY is written as YRIUQNE. How will the word REQUIRE be written in the code language ?
A. QERUERI
B. REQUERI
C. ERIUQER
D. IREUQER
E. None of these