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Saturday, 30 December 2017

SSC Quiz : Quantitative Aptitude | 30 - 12 - 17

Mahendra Guru
SSC Quiz : Quantitative Aptitude | 29 - 12 - 17



In SSC exam quantitative Aptitude section is more scoring and easy if you know the shorts tricks and formulas of all the topic. So, it is important to know the basic concept of all the topic so you can apply the short tricks and solve the question with the new concept in lesser time while giving the quiz. It will helps 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 analysis 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 exam like Insurance, SSC-MTS, CGL, CHSL, State Level and other Competitive exams.
You can clear your doubts before exam. Mahendra Guru also provides you an important note 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 The average marks secured by 36 students was 52. But it was discovered that an item 64 was misread as 46. What is the correct mean of marks?

36 विद्यार्थियों को औसतन 52 अंक प्राप्त हुए। किन्तु बाद में पता चला कि पद 64 को गलती से 46 पढ़ा गया। अंकों का सही माध्य क्या होगा?

A. 52

B. 53.5

C. 52.6

D. 52.4
SOL : The correct mean of marks/अंको का सही माध्य =SSC Quiz : Quantitative Aptitude | 30 - 12 - 17 = 52.6


Q.2 A got twice as many marks in English as in Science. His total marks in English, Science and Mathematics is 180. If the ratio of his marks in English and Mathematics is 2:3, what is his marks in Science?

A को अंग्रेजी विषय में विज्ञान विषय की अपेक्षा दुगुने अंक मिले। अंग्रेजी, विज्ञान और गणित विषयों में उसे कुल मिला कर 180 अंक प्राप्त हुए। यदि उसे अंग्रेजी और गणित विषयों में प्राप्त अंकों का अनुपात 2 : 3 है तो उसे विज्ञान विषय में कितने अंक प्राप्त हुए?

A. 20

B. 40

C. 30

D. 60

SOL : 

SSC Quiz : Quantitative Aptitude | 30 - 12 - 17














Q.3 Tom is chasing Jerry. In the same interval of time Tom Jumps 8 times while Jerry jumps 6 times. But the distance covered by Tom in 7 jumps is equal to the distance covered by Jerry in 5 jumps. The ratio of speed of Tom and Jerry is
टॉम जेरी का पीछा कर रहा है। उतने ही समय में टॉम 8 बार कूदता है और जेरी 6 बार कूदता है। किन्तु 7 बार कूदने पर टॉम जितनी दूरी तक जाता है वह उसके बराबर है जितनी दूरी तक जेरी 5 बार कूदने पर जाता है। टॉम और जेरी की चाल का अनुपात बताएं।

A. 48 : 35

B. 20 : 21

C. 35 : 48

D. 24 : 23

Sol :
8×5: 6×7 = 20 : 21

Q.4 A solid metallic spherical ball of diameter 6 cm. is melted and recast into a cone with diameter of the base as 12 cm. The height of the cone is -

6 सेमी. व्यास की एक ठोस धात्विक गोल बॉल को पिघलाकर पुनः ढाला जाता है और शंकु आकार दिया जाता है जिसके आधार का व्यास 12 सेमी. है। शंकु की ऊंचाई है-

A. 2 cm / सेमी

B. 3 cm / सेमी

C. 5 cm / सेमी

D. 4 cm / सेमी

SOL: 

SSC Quiz : Quantitative Aptitude | 30 - 12 - 17





h = 3 cm/ सेमी 

Q.5 If P3 + 3P2 + 3P = 7, then the value of P2 + 2P is

यदि P3 + 3P2 + 3P = 7 हो तो P2 + 2P का मान क्या होगा?

A. 1

B. 2

C. 3

D. 0

SOL : 

(P +1)3 = P3 + 1 + 3P2 + 3P
\P3 + 1 + 3P2 + 3P = 8
Þ (P +1)3 = 23
Þ P + 1 = 2
Þ P = 1
\ P2 + 2P = 1 + 2 = 3

Q.6 If / यदि (a2+b2)3  = (a3+ b3)2  then/ तो   
SSC Quiz : Quantitative Aptitude | 30 - 12 - 17




?


A. –0.33

B. –0.25

C. 0.66

D. 0.20

SOL :

a6+b6+3ab(a2+b2) = a6+b6+2a3b3

Q.7 Line 2x + y = 3 and 3x - 2y = 1 meets X-axis at two two points. Find the distance between these points ?

रेखा 2x + y = 3 और 3x - 2y = 1 X-अक्ष को 2 बिन्दुओ पर मिलती हैं | इन बिन्दुओ के बीच की दूरी ज्ञात कीजिये ?

A. 1 units / इकाई

B. 2 units / इकाई

C. √5/3 units / इकाई

D. 2 / 3 units / इकाई

SOL: 

y1 = 0 x1= 2/3

y2 = 0 x2 1/3=

d = (2/3) + (1/3) = 1 units / इकाई 

Q.8 If / यदि
SSC Quiz : Quantitative Aptitude | 30 - 12 - 17
and / और 
then / तो   
= ? [assuming / माना जाये 
SSC Quiz : Quantitative Aptitude | 30 - 12 - 17
]



A. 0

B. 1

C. – 1

D. 2

SOL: 

= tan 60o
= sec 30o


θ1 + θ2 =60o
θ1 - θ2 =30o


θ1=45o
θ2= 15o


= sin90o + tan 45o = 1 +1 = 2

Q.9 If / यदि cosec θ - sin θ = a and sec θ - cos θ = b , then the value of / a2 b2 ( a2 + b2 + 3) (0o< θ <90o) तो मान ज्ञात कीजिये |

A. 1

B. 0

C. -1

D. 2

SOL: 

1

Q.10 The angle of elevation of the top of a tower from a point A on the ground is 30o On moving a distance of 20 m towards the foot of the tower to a point B, the angle of elevation increase to 60o.The height of the tower is-

समतल पर स्तिथ किसी बिंदु A से टावर के शीर्ष का उन्नयन कोण 30o हैं | टावर के पद की ओर 20 मी. चलने पर उन्नयन कोण 60o हो जाता हैं | टावर की उचाई ज्ञात कीजिये ?

A. 10√3

B. 20√3

C. 5√3

D. 15

SOL: 






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