Question
Carol, Bruce, and Peter can decorate a venue in 7, 14,
and 21 days respectively. If they start working together, but Carol leaves 3 days before completion, Bruce leaves 1 day before, and Peter stays till the end, how many days does it take to complete the decoration?Solution
Carol, Bruce, and Peter can decorate a venue in 7, 14, and 21 days respectively. LCM of 7,14, and 21 =42. Total work =42units The efficiency of Carol =42/7 = 6 units. The efficiency of Bruce =42/14=3 units The efficiency of Peter =42/21=2 units. Suppose the work had not been left by Carol and Bruce. Extra work =6Ă—3+3Ă—1=21 units Total work =42+21 =63units. Time =63/11 =5(8/11) days.
Select the correct direct form of the given sentence.
The air hostess said that the passengers must wear face masks during the flight.
She said, "My sister was here ten days ago, but she in not here now."
The teacher will say, ‘If you work hard, you will succeed.’
Select the correct indirect form of the given sentence.
She said, “I am in no mood to work now.”
Choose the option that is the indirect form of the sentence.
Vandana said, “I’m being dropped to office today’’.
Select the most appropriate indirect form of the given sentence.Â
“Press button A to start the machine,” said the instructor to the trainees...
Kavita said, “I baked cake yesterday”.
For how long will you keep neglecting your duties.
Choose the option that is the direct form of the sentence.
Jai said that he wanted to be a soldier.
The teacher asked Avika what had happened to her and why her nose was bleeding.Â
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