Water flows into a tank which is 200 m long and 150 m wide, through a pipe of cross-section (0.3m x 0.2m) at 20 km/h. In what time will the water level be 8 m?

Ten different letters of alphabet are given, words with 5 letters are formed from these given letters. Then, how many such words can be formed which have at least one letter repeated ? 

Read the following passage carefully and answer the questions given below it.
 It is generally acknowledged that children learn a lot from their parents. It is not so commonly admitted that parents learn a great deal from their children. As adults, it is easy to assume that we are always right, but the laugh was on me one beautiful day.
 My daughter Kashmira knew how much I loved flowers. One day when she was of nine years, she picked some branches from our neighbour's blossoming fruit tree. Realising she intended to please me, I didn't scold her, but chose a different approach. "These are lovely, dear, but do you realise that if you had left them on the tree, each of these blossoms would have become a cherry?" "No, they wouldn't have", she said firmly.
"Oh, yes they would have. Each of these blossoms would have grown into a cherry". "Well okay, mother, if you insist", she finally conceded, "but they were plums last year".

The mother was caught in the wrong because the daughter- 

Read the following passage carefully and answer the questions given below it.
 It is generally acknowledged that children learn a lot from their parents. It is not so commonly admitted that parents learn a great deal from their children. As adults, it is easy to assume that we are always right, but the laugh was on me one beautiful day.
 My daughter Kashmira knew how much I loved flowers. One day when she was of nine years, she picked some branches from our neighbour's blossoming fruit tree. Realising she intended to please me, I didn't scold her, but chose a different approach. "These are lovely, dear, but do you realise that if you had left them on the tree, each of these blossoms would have become a cherry?" "No, they wouldn't have", she said firmly.
"Oh, yes they would have. Each of these blossoms would have grown into a cherry". "Well okay, mother, if you insist", she finally conceded, "but they were plums last year".

The mother did not scold the daughter because- 

Read the following passage carefully and answer the questions given below it.
 It is generally acknowledged that children learn a lot from their parents. It is not so commonly admitted that parents learn a great deal from their children. As adults, it is easy to assume that we are always right, but the laugh was on me one beautiful day.
 My daughter Kashmira knew how much I loved flowers. One day when she was of nine years, she picked some branches from our neighbour's blossoming fruit tree. Realising she intended to please me, I didn't scold her, but chose a different approach. "These are lovely, dear, but do you realise that if you had left them on the tree, each of these blossoms would have become a cherry?" "No, they wouldn't have", she said firmly.
"Oh, yes they would have. Each of these blossoms would have grown into a cherry". "Well okay, mother, if you insist", she finally conceded, "but they were plums last year".

What the daughter picked from the neighbour's garden were- 

Read the following passage carefully and answer the questions given below it.
 It is generally acknowledged that children learn a lot from their parents. It is not so commonly admitted that parents learn a great deal from their children. As adults, it is easy to assume that we are always right, but the laugh was on me one beautiful day.
 My daughter Kashmira knew how much I loved flowers. One day when she was of nine years, she picked some branches from our neighbour's blossoming fruit tree. Realising she intended to please me, I didn't scold her, but chose a different approach. "These are lovely, dear, but do you realise that if you had left them on the tree, each of these blossoms would have become a cherry?" "No, they wouldn't have", she said firmly.
"Oh, yes they would have. Each of these blossoms would have grown into a cherry". "Well okay, mother, if you insist", she finally conceded, "but they were plums last year".

"The laugh was on me" means that- 

Read the following passage carefully and answer the questions given below it.
 It is generally acknowledged that children learn a lot from their parents. It is not so commonly admitted that parents learn a great deal from their children. As adults, it is easy to assume that we are always right, but the laugh was on me one beautiful day.
 My daughter Kashmira knew how much I loved flowers. One day when she was of nine years, she picked some branches from our neighbour's blossoming fruit tree. Realising she intended to please me, I didn't scold her, but chose a different approach. "These are lovely, dear, but do you realise that if you had left them on the tree, each of these blossoms would have become a cherry?" "No, they wouldn't have", she said firmly.
"Oh, yes they would have. Each of these blossoms would have grown into a cherry". "Well okay, mother, if you insist", she finally conceded, "but they were plums last year".

What is not commonly acknowledged is that- 

What protection has the Ministry of Home Affairs provided to Adar Poonawala, CEO of Serum Institute?