if 30 men completes a job in 15 days working 9 hrs per day..how much hours per day should 40 men work ?? a ) 35 b)7 1/2 c)30 d) none

A can copy 50 papers in 10 hours while both A & B can copy 70 papers in 10 hours. Then for how many hours required for B to copy 26 papers?

The size of the bucket is N kb. The bucket fills at the rate of 0.1 kb per millisecond. A programmer sends a program to receiver. There it waits for 10 milliseconds. And response will be back to programmer in 20 milliseconds. How much time the program takes to get a response back to the programmer, after it is sent?

From 7:00 AM to 11:00 AM it rained 2.25 inches. At 11:00 AM the rain increased to fall at a rate of 1.25 in. every two hours. How many inches of rain landed on the ground by 5:00 PM?

The owner of a hobby store needed to calculate the percentage of customers who purchase wood glue. Upon completing his survey, he noticed that 60% of the people that entered his store purchased an item. Of those customers, 15 percent purchased wood glue. What percent of the people that entered the store purchased wood glue?

If 1/x = 3.5. then 1/(x+2) =

A store owner decided to raise the price of a particular item by exactly 10%. Of the following which is NOT the new price?

Susan wants to put up fencing around three sides of her rectangular yard and leave a side of 20 feet unfenced. If the yard has an area of 680 square feet, how many feet of fencing does she need?

A computer store regularly sells all stock at a discount of 20 percent to 40 percent. If an additional 25 percent were deducted from the discount price during a special sale, what would be the lowest possible price of a part costing $16 before any discount?

hi friend generally short forms are asked in Net Solutions paper.i m writing them below

In a class of 40 students, 24 students speak Hindi and 20 students speak Kannada. Eight students speak none of the two languages. How many students speak both Hindi and Kannada?

we want to known question regards aptitude

a survey of 100 students at new england college showed the following:7 take english,history and language,17 take english and history,15 take english and language,18 take history and language,48 take english, 49 take history,38 take language.draw a venn diagram and answer the questions how many students a)take history but neither of the other two? b)take english and history but not language? c)take none of the three? d)take exactly two of the three? e) do not take a language? (explanation also needed pls)

ninety customers of a discount store were asked about their purchases during the past month.20 said they had purchased books,45 had purchased film,38 had purchased jewellery,15 had purchased books and films,8 had purchased books and jewellery,6 had purchased film and jewellery,3 had purchased all the 3 articles.draw a venn diagram and answer the questions how many of these ppl had purchased a)books or films but not jewellery? b)books and film but not jewellery? c)jewellery but not books or films? d)at least one of the three articles? e)exactly one of the three articles?

a campus radio station surveyed 190 students to determine the type of music they liked.it revealed that 114 like rock,50 liked jazz,41 liked classical music.14 liked rock and jazz,15 liked rock and classical,11 liked classical and jazz,5 liked all types of music.draw venn diagram n explain how many a) like rock only b)like jazz but not rock? c)like classical or jazz but not rock? d)like classical and jazz but not rock? e)like exactly one of the 3 types of music? f)do not like any of the three types of music? g)like at least 2 of the three types of music? h)do not like either rock or jazz?