An aerosol is a suspension of fine solid particles or liquid droplets, in the air or another gas. Aerosols can be natural or anthropogenic. Examples of natural aerosols are fog, dust, forest exudates and geyser steam. Examples of anthropogenic aerosols are haze, particulate air pollutants, and smoke.
Tilak rides on a cycle to a place at speed of 22 kmph and comes back at a speed of 20 kmph. If the time taken by him in the second case is 36 min. more than that of the first case, what is the total distance travelled by him (in km)?
Two candidates fought in a municipality election. One of them got 54% of the total votes pooled and won by 1080 votes. What was the total number of votes polled ?
Rearrange the following five sentences in proper sequence so as to for a meaningful paragraph, then answer the questions given below them.
1. After Examining him, the doctor smiled at him mischievously and took out a syringe. 2. Thinking that he was really sick, his father summoned the family doctor. 3. That day, Mintu wanted to take a day off from school 4. Immediately, Mintu jumped up from his bed and swore that he was fine 5. Therefore, he pretended to be sick and remained in bed.
Duge Beipanjiang Bridge in southwest China, opened to traffic this week and now the highest bridge in the world, some 565 metres (1,854 feet) above the valley below.The bridge stretches across a 1,341-metre (4,400-foot) span. Three years in the making, it's estimated to have cost the Chinese government around 1 billion yuan (or US$144 million).The bridge is going to cut travel times between Liupanshui in the Guizhou province and Xuanwei in the Yunnan province to two hours instead of the current five – as long as you don't mind the heights.The bridge crosses the the Nizhu river, and to give you some idea of the size of the drop down to the water below, it's almost 2 Eiffel Towers or one-and-a-half Empire State Buildings.
A store owner is packing books into larger boxes that measure 25 by 42 by 60 inches. If the measurement of each book is 7 by 6 by 5 inches, then how many books can be placed in the box ?
Number of books that can be placed in the larger box is given by Volume of Box / Volume of book. Now, n = 25 x 42 x 60 / 7 x 6 x 5 = 63000 / 210 = 300. Therefore, 300 books can be in that box.
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