Railway JE Quant quiz for Phase I
Railway JE Quant quiz for (Phase I), RRB NTPC, SSC various exams and other competitive exams.
Directions (Q1 – Q4): Please read the following table carefully & mark the correct options.
Chart below represents statistics pertaining to employees of XYZ Inc.
Q1. If 10% of those employees knowing shorthand only learn typing & 12% of those knowing typing only learn shorthand, by what % would the number of persons knowing both increases approximately:
Q2. How many graduate employees know neither shorthand nor typing?
Q3. What percentage employees know shorthand only?
Q4. Ratio of graduates knowing shorthand to non-graduates knowing typing?
A) 14 : 9
B) 9 : 14
C) 15 : 7
D) 7 : 15
D) – 1
Q7. The average marks obtained by 35 students of a class is 85. If the 5 highest marks are removed, the average reduces by one mark. 1st ranker gets 100 marks and 5th ranker gets 15% less then 1st ranker. Find the average marks of 2nd, 3rd and 4th ranker together are what % more than 5th ranker.
Q8. A right circular cone of base radius 12 cm is cut at the height of 8 cm and made into a frustum. Then find the volume of original cone if the radius of smaller cone is cut is 8 cm.
Q10. Ratio of sides of ∆ having ∠’s. 30°, 60° and 90° is
A) 1 : √3 : 2
B) 1 : 2 : 3
C) 3 : 2 : √2
D) None of these
No. of graduates knowing neither shorthand nor typing
= 320 – 140 – 135 + 90 = 135
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