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Quantitative Aptitude Quiz For RRB PO Mains 2021- 20th September

Directions (1-5): Study the following passage & answer the questions that follows.
There are three schools in a town named A, B & C. In each school students knows only Hindi, Only English and both language.
Total number of student in school A is 1600. The no. of student who know only Hindi in school C is 40% of the total students in school A. And total students who know only single language in school A are equal to student who knows both language in same School and ratio of student who know only Hindi to only English in school A is 2 : 3. Student who knows only Hindi in all schools is equal to the total students in school A except student who knows only English. Ratio of students who know only English in school B to C is 1 : 4 and average of student who know only English in all the school is 460. Student who know both language in school C is half of student who know only Hindi in school A. Total student in school B is 3/4th of total student from all the school who knows only Hindi.

Q1. Total student in school A who know only one language is what percent more/less than total student in school B who knows both language ?
(a) 50%
(b) 60%
(c) 70%
(d) None of these
(e) 45%

Q2. What is ratio of total student who knows only English in school B and C together to total student in school B ?
(a) 3 : 2
(b) 7 : 5
(c) None of these
(d) 5 : 3
(e) 15 : 14

Q3. What is sum of average of student who knows only English in all the school and 3/4th of student who knows only single language in school B and C together.
(a) 1735
(b) 1335
(c) 1220
(d) 1525
(e) 1785

Q4. 40% of total student in school B is what percent more/less than half of student who know only Hindi in school A ?
(a) 140%
(b) 110%
(c) 90%
(d) None of these
(e) 130%

Q5. What is difference of average of total student in all three schools and average of student who knows both language in school B and C ?
(a) 920
(b) 840
(c) 890
(d) 990
(e) None of theses

Directions (6-10): Study the graph carefully & answers the question given flow .
Bar- graph given shows the percentage of question framed by Abhi.

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Table show the no. of questions framed by both Abhi & Satish in different month.

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Q6. No. of questions framed by another person Anurag in Jan is average of total question framed by Abhi in Jan & question framed by Satish in June. Find difference of total questions framed by Anurag in Jan and Abhi in feb?
(a) 481
(b) 357
(c) 383
(d) 327
(e)428

Q7. Average of question framed by Abhi in may, june & july together is 680. Then number of questions framed by Abhi in July is approximately what percent of number of question framed by Satish in feb?
(a) 60%
(b) 65%
(c) 82%
(d) 70%
(e) 55%

Q8. If 3/4th of total no. of questions framed by Satish in March are checked by Abhi and rest remained unchecked, then find ratio of questions which remained unchecked to the average of questions framed by Abhi in Jan and Feb?
(a) 9 : 7
(b) 13 : 9
(c) 9 : 11
(d) 13 : 11
(e)11 : 9

Q9. Average number of questions framed in march and April by Abhi is approximately what percent of total question framed by both of them in May & June?
(a) 12%
(b) 23%
(c) 32%
(d) 15%
(e) 27%

Q10. What is the average number of questions framed by Satish in Jan , April and June?
(a) 1280
(b)1066
(c) 1340
(d) 1156
(e) 1032

Solutions

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