The chart shows the colors of replacement parts for pocket PCs. The total number of parts shipped is 1,650.
If a person is randomly grabbed a part out of the box,what is the probability that the part would be blue?
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Solution
430 + 425 + 345 = 1200 parts are accounted for. Since the total is 1650; 1650 – 1200 = 450 blue parts. When randomly picking a part, the chance of getting blue is 450 out of 1650=\(\frac{450}{1650}=\frac{3}{11}\)
Manjeet lends equalsum of money at the same rate of interest to A and B. The money lends to A becomes twice of the original amount in just four years at simple interest. While Manjeet lends to B for the first two years at compound interest and for the rest two years at simple interest. If the difference between the amount A and B after 4 years is ₹ 3300.What is the amount that Manjeet lends to each one?
Jullie leaves home at 11:00 a.m. and rides to Mary’s house to return Mary’s bicycle. She travels at 12 miles per hour and arrives at 11:30 a.m. She turns right around and walks home.How fast does she walk if she returns home at 1:00 p.m.?
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Solution
The distances are equal. Therefore,
6 = 3⁄2 x
12 = 3x
x = 4
She walked at 4 mph.
Four people witnessed a mugging. Each gave a different description of the mugger. Which description is probably right?
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Solution
Tall, thin, and middle-aged are the elements of the description repeated most often and are therefore the most likely to be accurate.
Walk into any supermarket or pharmacy and you will find several shelves of products designed to protect adults and children from the sun. Additionally, a host of public health campaigns have been created, including National Skin Cancer Awareness Month, that warn us about the sun’s damaging UV rays and provide guidelines about protecting ourselves. While warnings about the sun’s dangers are frequent, a recent survey found that fewer than half of all adults adequately protect themselves from the sun.This paragraph best supports the statement that
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Solution
The last sentence gives direct support for this response.Although children might be better protected from the sun than adults, the paragraph does not specifically cite statistics about children, so we can't know for sure, ruling out option (a).There is no evidence provided in the paragraph to support option (b) and(d).
If loga⁄b + logb⁄a = log(a + b) then
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Solution
Operators *, $, → are defined by
\(x\ast y=\frac{x-y}{x+y};x\$ y=\frac{x+y}{x-y};x\rightarrow y=xy.\)Find the value of(55 * 5) → (55 $ 5).
Replace the underlined portion with the phrase that best completes the sentence. If the sentence is correct as is,choose (a). When making a chocolate torte, only the best ingredients should be used.
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Solution
This is the only option in which the sentence construction is clear and unambiguous. In option (a) and (c), the sentence reads as though the ingredients were making the torte.Option (d) is incorrect because there is a shift intense from present (making) to past perfect (should have used).
Choose the best word to fill the blank.The play’s _______ debut was not a good sign for the struggling producer.
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Solution
Inauspicious (adj.) means not favourable or unfortunate;not promising success
Choose the best word to fill the blank.Paula’s _______ humor does not amuse many people;rather many find it offensive and hurtful.
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Solution
Vitriolic (adj.) means bitterly scathing; conflict.