Yesterday Priti typed an essay of 5000 words at the speed of 60 words per minute . Today she typed the same essay faster and her speed was 15% more than yesterday . What is the approximate difference in the time she took to type yesterday and the time she took to type today ?

Yesterday Shweta completed 300 units of work at the rate of 15 units per minute . Today she completed the same units of work but her speed was 40% faster than yesterday . What is the approximate difference in the time she took to complete the work yesterday and the time she took today ?

A typing class in elementary school is divided into three groups . The Red Robins, with 6 students , has an average typing speed of 60 words per minute , the Blue Wax Bills, with 10 students , has an average typing speed of 45 words per minute , and the Gold Finches , with 16 students , has an average typing speed of 30 words per minute. What is the average (arithmetic mean ) of the typing speeds, in words per minute , for the class ?

Reeta types 40 words per minute and takes 24 minutes to type a document. Her friend geeta has a typing speed 48 wors per minute. In how much time will she be able to type the same documents?

Read the passage and answer the questions that follow. Simi was a puppy. She was very cute, Asha found her crying in a park. When she picked her up, the puppy stopped crying and looked at her. Asha liked that glance of her and she decided to take her home. Her mother approved the idea. They together gave her the name 'Simi', and happily brought her home. So far nobody had trained the puppy, so Asha thought she should train her. Next morning she took Simi out and gave her some lessons. A trainer has to be a bit strict. So she punished her when she disobeyed and rewarded her when she did what Asha wanted her to do. On the whole, the training was not so difficult. In a week's time Simi became a good cultured puppy. Which of the following words mean : "... did what she wanted her to do"?

Read the passage carefully and give the answer of the question given below : Simi was a puppy. She was very cute, Asha found her crying in a park. When she picked her up, the puppy stopped crying and looked at her. Asha liked that glance of her and she decided to take her home. Her mother approved the idea. They together gave her the name 'Simi', and happily brought her home. So far nobody had trained the puppy, so Asha thought she should train her. Next morning she took Simi out and gave her some lessons. A trainer has to be a bit strict. So she punished her when she disobeyed and rewarded her when she did what Asha wanted her to do. On the whole, the training was not so difficult. In a week's time Simi became a good cultured puppy. What is opposite word for reward?