some SC questions - need ur help pls

1. As the honeybee's stringer is heavily barbed, staying where it is inserted, this results in the act of singing causing the bee to sustain a fatal injury. a) As the honeybee's stringer is heavily barbed, staying where it is inserted, this results in the act of singing causing b) As the heavily bar...

Number Theory, Divisibility Q

If x is a positive integer, is x divisible by 2? (1) x^3 + x is divisible by 4. (2) 5 x + 4 is divisible by 6. OA D I understand why choice B alone is sufficient for this question. That's easy. However, choice A is very tricky to me. I understand that in order for a number to be divisible by 4, it h...

Work - Rate Problem - Computer Server

It takes 6 technicians a total of 10 hours to build and program a new server from Direct Computer, with each technician working at the same rate. If 6 technicians start to build the server at 11:00 a.m., and one technician per hour is added beginning at 5:00 p.m., at what time will the server be com...

Probability Q - Random Experiment

In a certain random experiment, exactly one of the outcomes a, b, and c will occur. In each random experiment, the probability that outcome a will occur is 1/3 , and the probability that outcome b will occur is 1/3 . What is the probability that when the random experiment is conducted 6 independent ...

Andrew rides his bike at 15 miles per hour, and it takes him 5 hours to ride from New York City to his lake house. Andrew's wife, Andrea, leaves New York at the same time, and drives on the same road to the lake house at an average speed of 50 miles per hour. Thirty minutes after arriving at the la...

Speed question - NYC to Lake House

Andrew rides his bike at 15 miles per hour, and it takes him 5 hours to ride from New York City to his lake house. Andrew's wife, Andrea, leaves New York at the same time, and drives on the same road to the lake house at an average speed of 50 miles per hour. Thirty minutes after arriving at the lak...

Deli Shop - Data Interpretation

--------------Deli A | Deli B American: $15/kg | $16/kg Provolone: $17/kg | $18/kg Swiss: $ 19/kg | $20/kg Julian bought 6 kilograms of cheese from each Deli A and Deli B. At which deli did he spend more money on cheese? 1. The ratio of American to Provolone to Swiss purchased at Deli B was 2:7:2 2....

idiom for distinguish

Neuroscientists distinguish organic amnesia, which has some physical cause such as an occurrence of blunt force trauma to the head, from psychogenic amnesia, which is purely psychological in origin. A. organic amnesia, which has some physical cause such as an occurrence of blunt force trauma to the ...