ম্যাথমেটিক্স MCQ,5ই জুলাই, 2023 IBPS RRB পরীক্ষার জন্য

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ম্যাথমেটিক্স MCQ

Direction (1-5): Pie chart given below shows population of 6 cities. Study the chart carefully & answer the following question.

Q1. What is the difference between the population of city A & C together to the population of city X & Y together?
(a) 2240
(b) 2020
(c) 2310
(d) 2420
(e) 2120

Q2. In city Y, 43% are male, 34% female and remaining are transgender. Find the difference between males and transgender of city Y.
(a) 1132
(b) 2211
(c) 1232
(d) 1442
(e) 1122

Q3. Population of city B & Y together is how much percent more than the population of city C?
(a) 81.25%
(b) 87.75%
(c) 58.75%
(d) 67.25%
(e) 76.50%

Q4. Average population of A, C & Y all together is how much less than the average population of B and X together?
(a) 264
(b) 330
(c) 396
(d) 462
(e) 297

Q5. 30% of population of city C doing govt. Job, 40% of population doing Private Job and remaining are unemployed. Find the number of person not doing govt. job?
(a) 1584
(b) 2112
(c) 3168
(d) 3696
(e) 4752

Directions (6-10):- Given pie diagram shows the percentage distribution of number of registered voters in 5 villages. Study the diagram carefully and answer the following questions.

Q6. If 20% of registered voters in village B did not cast their vote and 10 % of votes cast were found invalid. Find no. of valid votes cast in village B.

(a) 1800
(b) 1900
(c) 1950
(d) 1850
(e) 2000

Q7. In village C, 10% of registered voters did not cast their vote and no vote was invalid from the votes which were cast. The winning candidate defeated the other candidate by 12% of votes cast. Find no. of votes obtained by losing candidate. (There are only 2 candidates contesting in elections in village C)
(a) 996
(b) 880
(c) 1008
(d) 792
(e) None of these

Q8. Find average number of registered voters in village B, C & D.
(a) 1700
(b) 2100
(c) 1900
(d) 1800
(e) 2000

Q9. In village A, B, D & E votes cast by only 70%, 65%, 80% and 75% of registered voters respectively. From which village among A, B, D & E did maximum voters cast their votes?
(a) E
(b) A
(c) B
(d) D
(e) B & E

Q10. Average no. of registered voters from village A & C is what percent of average no. of registered voters from village B, D and E?
(a) 120%
(b) 100%
(c) 90%
(d) 80%
(e) 110%

ম্যাথমেটিক্স MCQ সমাধান

S1. Ans.(c)
Sol.
Required difference
=((17+24)-(18+16))/100×33000
= (41- 34) × 330
= 2310

S2. Ans.(e)
Sol.
Required difference=[43-(100-34-43)]/100×17/100×33000
=20/100×17/100×33000
= 1122

S3. Ans.(a)
Sol.
Required percentage
=((12+17-16))/16×100
=13/16×100
= 81.25%

S4. Ans.(b)
Sol.
Average population of A, C & Y =(18+16+17)/3
= 17%
Average population of B & X =(24+12)/2
= 18%
Required difference
=((18-17))/100×33000
= 330

S5. Ans.(d)
Sol.
Population of city C not doing govt. Job
=((40+30))/100×16/100×33000
=70/100 ×16/100×33000
= 3696

S6. Ans(a)
Sol. no. of valid votes cast in village B = 10000×25/100×80/100×90/100=1800

S7. Ans(d)
Sol. total valid votes cast in village C = 10000×20/100×90/100=1800
Let winning candidate got x% of votes cast and Losing Candidate got (x-12)% of votes cast.
Now, ATQ
x+x-12=100
x=56%
Votes obtained by losing candidate = 44/100×1800=792

S8. Ans(e)
Sol. average registered voters of B,C,D = ((25+20+15))/100×10000/3=2000

S9. Ans(c)
Sol. votes cast –
A = 10000×20/100×70/100=1400
B = 10000×25/100×65/100=1625
D = 10000×15/100×80/100=1200
E = 10000×20/100×75/100=1500
Maximum voters cast their votes in village B.

S10. Ans(b)
Sol. average number of registered voters from village A & C = 10000/2×(20+20)/100=2000
Average no. of registered voters from village B, D & E = 10000/3×((25+15+20))/100=2000
Required % = 2000/2000×100=100%

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