Related Questions

Reba's grade was in the 80th percentile out of 120 grades in her class. In another class of 200 students there were 24 grades higher than Reba's .If nobody had Reba's grade. then Reba was what percentile of the two classes combined?
ক 30th
খ 55th
গ 67th
ঘ 85th
Skipping every other line and picking up the skipped lines on the second pass is called:
ক interlacing
খ refresh-vector
গ raster-scan
ঘ stroke writing
ঙ None of the above
On a certai project, the only grades awarded were 745 and 100. If 85 students completed the projects and the average of their grades was 85, how many of them did score 100?
ক 34
খ 40
গ 45
ঘ 51
One a certain project, the only grades awarded were 75 and 100. If 85 students completed the projects and the average of their grades was 85, how many of them did score 100?
ক 34
খ 40
গ 45
ঘ 51
In a engineering, test, a rocket sled is propelled into a target. If the sled's distance d in meters from the target is given by the fomula d = - 1.5 t2+120, where t is the number of seconds after rocket ignition, then how many seconds have passed since rocket ignition when the sled is 10 meters from the target?
ক 2.58
খ 8.59
গ 8.94
ঘ 9.31
For steel, the ultimate strength in shear as compared to ultimate strength in tension is
ক $$\frac{1}{2}$$
খ $$\frac{1}{3}$$
গ $$\frac{1}{4}$$
ঘ $$\frac{2}{3}$$
The ultimate tensile stress for mild steel is __________ the ultimate compressive stress.
ক Equal to
খ Less than
গ More than
ঘ None of these
The ultimate tensile stress of mild steel compared to ultimate compressive stress is
ক Same
খ More
গ Less
ঘ Unpredictable
The ultimate strength in tension for steel is __________ times the ultimate strength in shear.
ক 0.5
খ 0.9
গ 1.5
ঘ 2.5
If 6 workers can complete 9 identical jobs in 3 days, how long (in days) will it take 4 workers to complete 10 such jobs?
ক 5
খ 4
গ 6
ঘ 3

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