Question
In a certain code language, '+' represents '×', '-'
represents '+', '×' represents '÷' and '÷' represents '-'. What is the answer to the following question?8 - 2 + 81 × 27 ÷ 3 = ?Solution
Given: 8 - 2 + 81 × 27 ÷ 3 = ?
After changing the symbols:
= 8 + 2 × 81 ÷ 27 – 3 = ?
= 8 + 2 × 3 – 3
= 8 + 6 – 3
= 14 – 3
= 11
Rahul can complete a project in 50 days, while Karan can finish the same project in 75 days. Rahul starts working alone, and after 30 days, Karan joins ...
"Akash and Bittu can individually complete a task in 40 days and 50 days, respectively. They start working together, and after 10...
A company hires workers A, B, and C to finish a project. A can complete the project in 30 days, B can do it in 24 days, and C can complete it in 20 days...
Tanu can complete a task in 'A' days on her own, while together with Manu, they can complete the same task in (A - 6) days. Manu, working alone, can fin...
A can finish a work in 12 days and B can finish the same work in 18 days. They work together for 4 days and then B leaves. In how many more days can A a...
Working together, A and B can do a certain work in 45 days. They work together for 10 days. They complete the remaining work in 28 days with the assista...
- If a group of 8 boys and 12 girls can complete a task in 40 days, and a team of 4 girls alone can finish the same task in 80 days, how long will it take fo...
‘A’ alone can do some work in 12 days. ‘B’ and ‘C’ together can do the same work in 6 days. If ‘B’ is half as efficient as ‘A’, then...
25 laborers working 7 hours daily can finish a road in 16 days. If 35 laborers work 8 hours each day, how many days are needed?
Saurabh can complete a piece of work in 20 days. He worked for 5 days and left. Anirudh completed the remaining work in 12 days. If both of them had do...
