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SSC CPO : Quantitative Aptitude Quiz | 17- 02 - 19

Mahendra Guru
SSC CPO : Quantitative Aptitude Quiz | 17- 02 - 19

In SSC exam, quantitative Aptitude section is more scoring and easy, if you know the shorts tricks and formulas of all the topics. So, it is important to know the basic concepts of all the topics so you can apply the short tricks and solve the question with the new concepts in lesser time while giving the quiz. It will help you to score more marks from this section in less time period. Quantitative Aptitude section basically measures your mathematical and calculation approach of solving the question. SSC Quiz of quantitative Aptitude section helps you to analyse your preparation level for upcoming SSC examination. Mahendra Guru provides you Quantitative Aptitude Quiz for SSC examination based on the latest pattern so that you can practice on regular basis. It will definitely help you to score good marks in the exam. It is the most important section for all the govt exams like Insurance, SSC-MTS, SSC CPO, CGL, CHSL, State Level, and other Competitive exams.

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Q.1. 4 years ago, the average age of a family consisting of 6 member was 40 year one year ago a new baby born in this family. Find the average age of family after 3 years.

4 рд╡рд░्рд╖ рдкрд╣рд▓े рдПрдХ 6 рд╕рджрд╕्рдп рд╡ाрд▓े рдкрд░िрд╡ाрд░ рдХी рдФрд╕рдд рдЖрдпु 40 рд╡рд░्рд╖ рдеी। рдПрдХ рд╡рд░्рд╖ рдкрд╣рд▓े рдкрд░िрд╡ाрд░ рдоें рдПрдХ рдмрдЪ्рдЪे рдХा рдЬрди्рдо рд╣ुрдЖ рдеा рддो 3 рд╡рд░्рд╖ рдХे рдмाрдж рдкрд░िрд╡ाрд░ рдХी рдФрд╕рдд рдЖрдпु рдмрддाрдИрдП।
(A) years/рд╡рд░्рд╖
(B) years/рд╡рд░्рд╖
(C) years/рд╡рд░्рд╖
(D) years/рд╡рд░्рд╖

Q.2. A shopkeeper gain 20% by selling a pair of shoes for Rs. 900. What would have been his profit percent if he had sold it for Rs. 975? / рдПрдХ рджुрдХाрдирджाрд░ рдПрдХ рдЬोреЬी рдЬूрддे 900 рд░ूрдкрдпे рдоें рдмेрдЪрдХрд░ 20% рдХा рд▓ाрдн рдХрдоाрддा рд╣ै। рдпрджि рдЙрд╕рдиे рдЗрд╕े 975 рд░ूрдкрдпे рдоें рдмेंрдЪा рд╣ोрддा рддो рд▓ाрдн рдк्рд░рддिрд╢рдд рдХ्рдпा рд╣ोрдЧा?
(A) 40%
(B) 25%
(C) 35%
(D) 30%

Q.3. 5 women can do a piece of work in 6 days while 10 boys can do it in 5 days. In how many days 5 boys and 3 women do it-

5 рдорд╣िрд▓ाрдПं рдПрдХ рдХाрд░्рдп рдХो 6 рджिрди рдоें рдХрд░ рд╕рдХрддी рд╣ै рдЬрдмрдХि 10 рд▓реЬрдХे рдЗрд╕ी рдХाрд░्рдп рдХो 5 рджिрди рдоें рдХрд░ рд╕рдХрддे рд╣ैं। 5 рд▓реЬрдХे рдФрд░ 3 рдорд╣िрд▓ाрдПं рдЗрд╕ी рдХाрд░्рдп рдХो рдХрд░ेंрдЧे- 
(A) 10 
(B) 5 
(C) 8 
(D) 15 

Q.4. P, Q and R are employed to do a job in 15 days for a total remuneration of Rs.12000. P alone can do the work in 40 days and Q alone in 60 days. If all of them work together and complete the work on time what is R's share of the remuneration. 

P, Q рдФрд░ R, 12 000 рд░ुрдкрдпे рдХे рдХुрд▓ рдкाрд░िрд╢्рд░рдоिрдХ рдоें рдПрдХ рдХाрдо рдХो 15 рджिрдиों рдоें рдХрд░рдиे рдХे рд▓िрдП рд▓рдЧाрдП рдЧрдП । P рдЕрдХेрд▓े 40 рджिрди рдоें рдФрд░ Q рдЕрдХेрд▓े 60 рджिрди рдоें рдХाрдо рдХрд░ рд╕рдХрддा рд╣ै। рдпрджि рд╡े рд╕рднी рдоिрд▓рдХрд░ рдХाрдо рдХрд░рддे рд╣ैं рдФрд░ рд╕рдордп рдкрд░ рдХाрдо рдкूрд░ा рд╣ोрддा рд╣ै рддो R рдХा рдкाрд░िрд╢्рд░рдоिрдХ рдоें рдХ्рдпा рд╣िрд╕्рд╕ा рд╣ै?
(A) Rs.2550 
(B) Rs.2250 
(C) Rs.2000 
(D) Rs.1500 

Q.5. A and B working together can do a piece of work in 6 days. If A works alone in the beginning for 2 days and completes 25% of the job, how many days B will take to complete the rest of the work? 

A рдФрд░ B рдПрдХрд╕ाрде рдХाрд░्рдп рдХрд░рддे рд╣ुрдП рдПрдХ рдХाрдо рдХो 6 рджिрдиों рдоें рдкूрд░ा рдХрд░ рд╕рдХрддे рд╣ैं | рдпрджि A рдЕрдХेрд▓े рдкрд╣рд▓े 2 рджिрдиों рдоें рдХाрдо рдХрд░рддा рд╣ै рдФрд░ рдХाрд░्рдп рдХा 25 % рднाрдЧ рдкूрд░ा рдХрд░рддा рд╣ै , рд╢ेрд╖ рдХाрд░्рдп рдХो рдкूрд░ा рдХрд░рдиे рдХे рд▓िрдП B рдХिрддрдиे рджिрди рд▓ेрдЧा? 
(A) 24 days/рджिрди 
(B) 36 days/рджिрди 
(C) 18 days/рджिрди 
(D) 9 days/рджिрди 

Q.6. What will be the ratio of simple interest earned by certain amount at the same rate for 4 years and 12 years? 

рдПрдХ рдиिрд╢्рдЪिрдд рдзрдирд░ाрд╢ि рдж्рд╡ाрд░ा рд╕рдоाрди рдм्рдпाрдЬ рджрд░ рдкрд░ 4 рд╡рд░्рд╖ рдФрд░ 12 рд╡рд░्рд╖ рдоें рдк्рд░ाрдк्рдд рдХिрдпे рдЧрдП рд╕ाрдзाрд░рдг рдм्рдпाрдЬ рдоें рдХ्рдпा рдЕрдиुрдкाрдд рд╣ोрдЧा ? 
(A) 1: 4
(B) 1: 2
(C) 3: 1
(D) 1: 3

Q.7. A sum of money trebles itself in 16 years. In how many years it would become double itself in how many years? 

16 рд╡рд░्рд╖ рдоें рдПрдХ рдзрдирд░ाрд╢ि рд╕्рд╡рдпं рдХा 3 рдЧुрдиा рд╣ो рдЬाрддी рд╣ै। рдХिрддрдиे рд╡рд░्рд╖ों рдоें рдпрд╣ рд╕्рд╡рдпं рдХा рджोрдЧुрдиा рд╣ो рдЬाрдПрдЧी?
(A) 4
(B) 5
(C) 8
(D) 8.5

Q.8. The difference between the simple interest received from two different sources on Rs.18000 for 3 years is Rs.16.2. The difference between their rate of interest is
 
рджो рдЕрд▓рдЧ-рдЕрд▓рдЧ рд╕्рд░ोрддों рд╕े рдк्рд░ाрдк्рдд 3 рд╡рд░्рд╖ рдоें 18000 рд░ुрдкрдпे рдкрд░ рдк्рд░ाрдк्рдд рд╕ाрдзाрд░рдг рдм्рдпाрдЬ рдХे рдмीрдЪ рдЕंрддрд░ 16.2 рд░ुрдкрдпे рд╣ै। рдЙрдирдХी рдм्рдпाрдЬ рджрд░ рдХे рдмीрдЪ рдЕंрддрд░ рд╣ै
(A) 0.03%
(B) 0.30%
(C) 0.05%
(D) 0.08%

Q.9. Ayushi and Aanchal together can do a work in 12 days. Aanchal and Vaishnavi together do it in 15 days. If Ayushi's efficiency is twice that of Vaishnavi, then the days required for Aanchal alone to finish the work is 

рдЖрдпुрд╖ी рдФрд░ рдЖँрдЪрд▓ рдПрдХрд╕ाрде рдоिрд▓рдХрд░ рдПрдХ рдХाрд░्рдп рдХो 12 рджिрдиों рдоें рдХрд░ рд╕рдХрддी рд╣ैं | рдЖँрдЪрд▓ рдФрд░ рд╡ैрд╖्рдгрд╡ी рдПрдХрд╕ाрде рдоिрд▓рдХрд░ рдЗрд╕े 15 рджिрдиों рдоें рдХрд░ рд╕рдХрддी рд╣ैं | рдпрджि рдЖрдпुрд╖ी рдХी рдХाрд░्рдпрдХ्рд╖рдорддा рд╡ैрд╖्рдгрд╡ी рдХी рджोрдЧुрдиी рд╣ो, рддो рдЖँрдЪрд▓ рдж्рд╡ाрд░ा рдХाрд░्рдп рдХो рд╕рдоाрдк्рдд рдХрд░рдиे рдоें рдЖрд╡рд╢्рдпрдХ рджिрдиों рдХी рд╕ंрдЦ्рдпा рд╣ै 
(A) 60 
(B) 20 
(C) 15 
(D) 25

Q.10. A, B and C can do a piece of work in 20, 30 and 60 days respectively. How many days does it needed to complete the work if A does the work and he is assisted by B and C on every third day?

A, B рдФрд░ C рдХ्рд░рдорд╢ः 20 , 30 рдФрд░ 60 рджिрдиों рдоें рдПрдХ рдХाрдо рдХो рдХрд░ рд╕рдХрддे рд╣ैं। рдХाрдо рдХो рдкूрд░ा рдХрд░рдиे рдХे рд▓िрдП рдХिрддрдиे рджिрди рдХी рдЖрд╡рд╢्рдпрдХрддा рд╣ै рдпрджि A рдХाрд░्рдп рдХрд░рддा рд╣ै рдФрд░ рдЙрд╕े рд╣рд░ рддीрд╕рд░े рджिрди B рдФрд░ C рдж्рд╡ाрд░ा рд╕рд╣ाрдпрддा рджी рдЬाрддी рд╣ै? 
(A) 10 
(B) 14 
(C) 15 
(D) 9 

Answer Key:
Q1. (B) Sum of age of all member of family 4 years ago/4 рд╡рд░्рд╖ рдкрд╣рд▓े рдкрд░िрд╡ाрд░ рдХे рд╕рджрд╕्рдпों рдХी рдЖрдпु рдХा рдпोрдЧ = 40 × 6 = 240 
Present sum of age of family/рд╡рд░्рддрдоाрди рдоें рдкрд░िрд╡ाрд░ рдХे рд╕рднी рд╕рджрд╕्рдпों рдХा рдЖрдпु рдХा рдпोрдЧ 
= 240 + 6 × 4 + 1 = 265
Sum of age of all family member after 3 years/3 рд╡рд░्рд╖ рдХे рдмाрдж рдкрд░िрд╡ाрд░ рдХे рд╕рднी рд╕рджрд╕्рдпों рдХी рдЖрдпु рдХा рдпोрдЧ 
= 265 + 7 × 3 = 286
Required average/рдЕрднीрд╖्рдЯ рдФрд╕рдд =year/рд╡рд░्рд╖

Q2. (D) S.P.1 = 120% = 900
100% =
S.P.2 = 975 
Profit/рд▓ाрдн = 975 – 750 = 225 
Profit/рд▓ाрдн % = = 30%

Q3. (B) 5W × 6 = 10 B × 5
30W = 50B
3W = 5B
Now/рдЕрдм, 5B + 3W = 5B + 5B = 10B
Required number of days/рдЕрднीрд╖्рдЯ рджिрдиों рдХी рд╕ंрдЦ्рдпा = = 5 

Q4. (D) P ………… 60 2 
Q ………… 40 [L.C.M. of 60, 40 and 15 = 120] 3
P + Q + R …… 15 8
R …………….. 40 3
Ratio between efficiency of P: Q: R = 2: 3: 3
P: Q: R рдХी рдХाрд░्рдпрдХ्рд╖рдорддा рдоें рдЕрдиुрдкाрдд = 2: 3: 3
R's share/R рдХा рд╣िрд╕्рд╕ा = = 1500

Q5. (C) 25% work done by A /A рдж्рд╡ाрд░ा 25% рдХाрд░्рдп рдХिрдпा рдЧрдпा = 2 days/рджिрди 
100% work will be done by A/ A рдж्рд╡ाрд░ा 100% рдХाрд░्рдп рдкूрд░ा рд╣ोрдЧा = 8 days/рджिрди 
A + B ………. 6 4 units of work per day / 4 рдоाрдд्рд░рдХ рдХाрд░्рдп рдк्рд░рддिрджिрди
[L.C.M. of 6 and 8 / 6 рдФрд░ 8 рдХा рд▓ .рд╕.рдк. = 24]
A …………… 8 3 units of work per day / 4 рдоाрдд्рд░рдХ рдХाрд░्рдп рдк्рд░рддिрджिрди
B will do 1 unit of work per day /B , 1 рдоाрдд्рд░рдХ рдХाрд░्рдп рдк्рд░рддिрджिрди рдХрд░ेрдЧा |
рд╢ेрд╖ рдХाрд░्рдп = 75% of 24 = 18
рдЗрд╕ рдХाрд░्рдп рдХो рдкूрд░ा рдХрд░рдиे рдоें B рдж्рд╡ाрд░ा рд▓िрдпा рдЧрдпा рд╕рдордп = 18 days/рджिрди 

Q6. (D) Required ratio/рдЕрднीрд╖्рдЯ рдЕрдиुрдкाрдд == = 1: 3

Q7. (C) R == 12.5%
T = = = 8

Q8. (A)
540 (r1 – r2) = 16.2
(r1 – r2) = = 0.03 

Q9. (B) Ayushi/рдЖрдпुрд╖ी + Aanchal/рдЖँрдЪрд▓ …… 12 5 units of work per day
[L.C.M. of 12 and 15 = 60] 
Aanchal/рдЖँрдЪрд▓ + Vaishnavi/рд╡ैрд╖्рдгрд╡ी ……15 4 units of work per day
According to the question/рдк्рд░рд╢्рдиाрдиुрд╕ाрд░,
Ratio between efficiency of Ayushi and Vaishnavi = 2: 1
рдЖрдпुрд╖ी рдФрд░ рд╡ैрд╖्рдгрд╡ी рдХी рдХाрд░्рдпрдХ्рд╖рдорддा рдоें рдЕрдиुрдкाрдд = 2: 1
Ayushi/рдЖрдпुрд╖ी + Aanchal/рдЖँрдЪрд▓ + Aanchal/рдЖँрдЪрд▓ + Vaishnavi/рд╡ैрд╖्рдгрд╡ी = 5 + 4 
2 + 2 × Aanchal/рдЖँрдЪрд▓ + 1 = 9
Aanchal/рдЖँрдЪрд▓ = 3
Time taken by Aanchal to complete the work = 60 ÷ 3 = 20 days
рдЖँрдЪрд▓ рдж्рд╡ाрд░ा рдХाрдо рдХो рдкूрд░ा рдХрд░рдиे рдоें рд▓िрдпा рдЧрдпा рд╕рдордп = 60 ÷ 3 = 20 рджिрди

Q10. (C) 3         A         20
              2         B         30
              1         C         60
Total work in 3 days / 3 рджिрди рдоें рдХिрдпा рдЧрдпा рдХुрд▓ рдХाрдо = (3 × 3 + 2 + 1) = 12 units /рдоाрдд्рд░рдХ
Number of such cycles /рдРрд╕े рдЪрдХ्рд░ों рдХी рд╕ंрдЦ्рдпा = 60 ÷ 12 = 5
Number of days /рджिрдиों рдХी рд╕ंрдЦ्рдпा = 5 × 3 = 15 days/рджिрди

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