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Wednesday, 5 September 2018

SSC CPO : Quantitative Aptitude Quiz | 05- 09 - 18

Mahendra Guru
SSC CPO : Quantitative Aptitude Quiz | 04- 09 - 18

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.



Mahendra Guru also provides you important notes and study material for all subject and test through its website, Mahendra Guru App and YouTube channel apart from it Speed Test Portal. Most of these preparation products are also available for purchase on my shop. You can also visit Mahendras.org to get more information about our endeavour for your success. You can also study in details through our E-Mahendras Facebook and Mahendra Guru YouTube channel of Quantitative Aptitude.

Q.1 In a mixture of three varities of pulses , the ratio of their weight is 4 : 5 : 8. If 5 kg of pulses of the first variety, 10 kg of the second variety and some quantity of pulses of the third variety are added to the mixture , the ratio of the weights of three varieties of pulses becomes as 5 : 7 : 9 . in the final mixture , find the quantity of third variety of pulses was : ?

तीन प्रकार की दाले जिनके भारो का अनुपात  4 : 5 : 8. यदि 5 किलोग्राम पहली प्रकार की दाल , 10 किलोग्राम की दूसरी दाल और कुछ मात्र की तीसरी दाल मिले जाती है तो भार का अनुपात 5 : 7 : 9 . हो जाता है तीसरी मिलाये गए दाल की  मात्रा ज्ञात कीजिये?

(A)42                    (B) 48                          (C) 40                         (D) 45
Q.2 A person started his journey in the morning.  At 11.a.m he covered ssc-maths-quiz-05-09-18 of the jouney and on the same day at 4.30 p.m. he covered ssc-maths-quiz-05-09-18 of the journey. He started his jouney at ?

एक व्यक्ति अपनी यात्रा सुबह प्रारम्भ करता है  11 बजे  तक वह अपनी यात्रा का 3/8 हिस्सा  तय करता है और शाम को 4.30  तक वह अपनी यात्रा का 5 /6 हिस्सा पूरा करता है तो उसने यात्रा कितने बजे प्रारम्भ की ?

(A) 6.00 a.m.                    (B) 3.30 a.m.               (C) 7.00 a.m.              (D) 6.30 a.m.

Q.3 A person can row 7.5 Kman hour in still water and he finds that it takes him twice as long to row up as to row down the river. The speed of the stream?

एक व्यक्ति की चाल शांत जल में 7.5 किमी /घंटा है धारा की विपरीत  दिशा में एक विशेष दूरी तय करने में धारा की दिशा की तुलना  वह दुगना समय लेती है धारा की चाल ज्ञात कीजिये

(A)2 km/h                         (B) 3 km/h                   (C) 2.5 km/h                (D) 3.5 km/h

Q.4 Two trains are running 72 km/h and 20km/h respectively in the same direction. The faster train and crosses a man sitting in the slower train in 5 sec. the length of the slower train is 50 m.  Find the length of faster train?

दो रेलगाड़िया  में एक ही दिशा में क्रमश: 72 किमी / घंटा और 20 किमी / घंटे चल रही हैं। तेजी  गति वाली  ट्रेन एक आदमी को 5 सेकंड में  पार करती है। जो धीमी ट्रेन में बैठा है  धीमी ट्रेन की लंबाई 50 मीटर है। तेजी से ट्रेन की लंबाई का पता लगाएं?

(A)ssc-maths-quiz-05-09-18m             (B) 72 m                      (C) ssc-maths-quiz-05-09-18m                  (D) ssc-maths-quiz-05-09-18m

Q.5 A contractor undertake to finish a certain work in 124 days and employed 120 men. After 64 days, he found that he had already done 2/3 of the work. How many men can be discharged so that the work may finish in time ?

एक ठेकेदार ने 124 दिनों में किसी काम को पूरा करने का ठेका लिया। उसने 120 व्यक्ति कार्य पर लगाये परन्तु 64 दिन में 2 /3 कार्य ही हो पाया तो कितने व्यक्ति को हटाया जाये की कार्य समय पर समाप्त हो जाये?

(A)50                    (B) 48                          (C) 56                          (D) 64

Q.6 a, b , c , d , e , f,  g , are consecutive even number j , k , l , m,  n are consecutive odd numbers. The average of all numbers?

a, b , c , d , e , f,  g , सम क्रमागत संख्याये है j , k , l , m,  n विषम क्रमगत संख्याये है तो सबका औसत ज्ञात कीजिये
(A)  ssc-maths-quiz-05-09-18                               (B) ssc-maths-quiz-05-09-18             
(C) ssc-maths-quiz-05-09-18                      (D) ssc-maths-quiz-05-09-18

Q.7 A cloth merchant sold half of his cloth at 40 % profit, half of remaining at 40% loss and the rest was sold at the cost price. In the total transaction his gain or loss will be?

एक कपडा व्यापारी आधे कपडे को 40 % के लाभ पर बेचता है बचे हुए का आधा 40 % के हानि पर और जितना बचता है उसे वह क्रय मूल्य पर बेचता है उसे कुल कितना लाभ कितनी हानि हुई

(A)20 % gain                     (B) 25 % loss               (C) 10 % gain             (D) 15 % loss

Q,8 A 160 metre long train crosses a 160 metre long platform in 16 second. Find the speed of the train?एक 160 मीटर लम्बी ट्रेन एक  160 मीटर लम्बे प्लेटफार्म को 16 सेकंड में पार करती है ट्रेन की गति क्या है?
(A)45                   (B) 60                          (C) 72                                     (D) 75
Q.9 At each corner of a triangular field of sides 26m, 28m, and 30m, a cow is tethered by a rope of length 7m. the area ungrazed by the cow?

एक त्रिभुज जिसकी  भुजाये 26m, 28m, and 30m है  गाय को तीनो कोनो में बंधा जाता  है तो गाय कितना हिस्सा नहीं  खा सकती है ?
 
(A)336                            (B) 259                                   (C) 154                                    (D) 77
Q.10 ssc-maths-quiz-05-09-18  then find the value of ( ssc-maths-quiz-05-09-18 ) isssc-maths-quiz-05-09-18   तो मान ज्ञात कीजिये ( ssc-maths-quiz-05-09-18 )

(A)ssc-maths-quiz-05-09-18               (B) 4                (C) -4               (D) ssc-maths-quiz-05-09-18


Answers:1. Sol-(D)  Let the ratio of initial quantity be x i.e  ssc-maths-quiz-05-09-18. Let a be quantity of extra   pulses. So
            according to question,
            So,  ssc-maths-quiz-05-09-18
            ssc-maths-quiz-05-09-18
            ssc-maths-quiz-05-09-18     
            On solving (i) and (ii) we get ssc-maths-quiz-05-09-18
            So a = 45 kg
प्रारंभिक मात्रा के अनुपात i.e  ssc-maths-quiz-05-09-18. ssc-maths-quiz-05-09-18 a है
ssc-maths-quiz-05-09-18
            So,  ssc-maths-quiz-05-09-18
            ssc-maths-quiz-05-09-18
            ssc-maths-quiz-05-09-18
            हल करने पर (i) और (ii) we get ssc-maths-quiz-05-09-18औरssc-maths-quiz-05-09-18
            तो a = 45 kg

2.Sol-(D) Difference of time = 4.30 p.m. – 11.a.m. = ssc-maths-quiz-05-09-18
            Distance covered in ssc-maths-quiz-05-09-18
ssc-maths-quiz-05-09-18
Clearly the person started at 6.30 a.m.

ssc-maths-quiz-05-09-18 = 4.30 p.m. – 11.a.m. = ssc-maths-quiz-05-09-18घंट
ssc-maths-quiz-05-09-18
ssc-maths-quiz-05-09-18घंटे
ssc-maths-quiz-05-09-18 घंटे=ssc-maths-quiz-05-09-18घंटे
निश्चित ही आदमी 6.30 a.m. चला होगा

3. Sol-(C) Let the speed of stream be maths-ssc-quiz-solution-05-09-18 kmph
            Speed of upstream = maths-ssc-quiz-solution-05-09-18
            Speed in downstream = maths-ssc-quiz-solution-05-09-18
Then, maths-ssc-quiz-solution-05-09-18 = maths-ssc-quiz-solution-05-09-18
            maths-ssc-quiz-solution-05-09-18
            maths-ssc-quiz-solution-05-09-18
माना धारा की चाल maths-ssc-quiz-solution-05-09-18 किमी /घंटा
            उर्ध्प्रवाह चाल = maths-ssc-quiz-solution-05-09-18
            अनुप्रवाह चाल = maths-ssc-quiz-solution-05-09-18
maths-ssc-quiz-solution-05-09-18 = maths-ssc-quiz-solution-05-09-18
                        maths-ssc-quiz-solution-05-09-18
                        maths-ssc-quiz-solution-05-09-18

4. Sol-(A)  when train is moving in same direction then
            maths-ssc-quiz-solution-05-09-18 = maths-ssc-quiz-solution-05-09-18
            maths-ssc-quiz-solution-05-09-18
maths-ssc-quiz-solution-05-09-18, so L=maths-ssc-quiz-solution-05-09-18m
जब दोनों रेलगाड़ी सामान दिशाएँ में जा रही है
            maths-ssc-quiz-solution-05-09-18 = maths-ssc-quiz-solution-05-09-18
            maths-ssc-quiz-solution-05-09-18
maths-ssc-quiz-solution-05-09-18, so L= maths-ssc-quiz-solution-05-09-18

5. Sol-(C )             Days remaining 124 – 64 =60 days
            Remaining work = 1-maths-ssc-quiz-solution-05-09-18
So men required = maths-ssc-quiz-solution-05-09-18
            maths-ssc-quiz-solution-05-09-18
Men discharge = 120 – 64 = 56 men
बचे हुए दिन  124 – 64 =60 days
            बचा हुआ कार्य = 1-maths-ssc-quiz-solution-05-09-18
तो अभीष्ट आदमी = maths-ssc-quiz-solution-05-09-18
            maths-ssc-quiz-solution-05-09-18
हटाये गए आदमी = 120 – 64 = 56 आदमी

6. Sol-(B) Average of a ,b, c, d, e, f, g be d.
            And average of j, k, l, m, n be l. so
Average will be =  maths-ssc-quiz-solution-05-09-18
a ,b, c, d, e, f, g का औसत d.
j, k, l, m, n का औसत l. तो
      औसत होगा =maths-ssc-quiz-solution-05-09-18


7. Sol-(C) let the merchant bought 100 metres of cloth for Rs. 100
            maths-ssc-quiz-solution-02-05-09-18
            ( 70+15+25) = 110
So gain percent = 10 %
माना की व्यापारी ने 100 मीटर कपडा 100 रुपए का ख़रीदा
            maths-ssc-quiz-solution-02-05-09-18
            ( 70+15+25) = 110
लाभ प्रतिशत  = 10 %


8. Sol-(C) 

  1. When train crosses the platform
      maths-ssc-quiz-solution-02-05-09-18
      = maths-ssc-quiz-solution-02-05-09-18 = 20maths-ssc-quiz-solution-02-05-09-18
जब ट्रेन प्लेटफार्म को पार करती है
      maths-ssc-quiz-solution-02-05-09-18
      = maths-ssc-quiz-solution-02-05-09-18 = 20maths-ssc-quiz-solution-02-05-09-18


9. Sol-(B) Area grazed by all cows maths-ssc-quiz-solution-02-05-09-18maths-ssc-quiz-solution-02-05-09-18= maths-ssc-quiz-solution-02-05-09-18
            Area of the triangle formed be the sides
Semi perimeter = 26+28+30+/2= 42m
maths-ssc-quiz-solution-02-05-09-18
=maths-ssc-quiz-solution-02-05-09-18
maths-ssc-quiz-solution-02-05-09-18
maths-ssc-quiz-solution-02-05-09-18
maths-ssc-quiz-solution-02-05-09-18 = maths-ssc-quiz-solution-02-05-09-18
सभी गायों द्वारा खाया गया क्षेत्रmaths-ssc-quiz-solution-02-05-09-18maths-ssc-quiz-solution-02-05-09-18= maths-ssc-quiz-solution-02-05-09-18
            maths-ssc-quiz-solution-02-05-09-18
अर्ध परिमाप = 26+28+30+/2= 42 मीटर
maths-ssc-quiz-solution-02-05-09-18
=maths-ssc-quiz-solution-02-05-09-18maths-ssc-quiz-solution-02-05-09-18
maths-ssc-quiz-solution-02-05-09-18= maths-ssc-quiz-solution-02-05-09-18


10. Sol-(B)  maths-ssc-quiz-solution-02-05-09-18  so it can be written as
            = maths-ssc-quiz-solution-02-05-09-18)2
S0 maths-ssc-quiz-solution-02-05-09-18=maths-ssc-quiz-solution-02-05-09-18  therefore  maths-ssc-quiz-solution-02-05-09-18 so
            maths-ssc-quiz-solution-02-05-09-18
maths-ssc-quiz-solution-02-05-09-18  ऐसा लिखा जा सकता है
            = maths-ssc-quiz-solution-02-05-09-18)2
S0 maths-ssc-quiz-solution-02-05-09-18=maths-ssc-quiz-solution-02-05-09-18  इसलिये  maths-ssc-quiz-solution-02-05-09-18 so
            maths-ssc-quiz-solution-02-05-09-18

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