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SSC Quiz : Quantitative Aptitude | 15- 09 - 19

Mahendra Guru
SSC Quiz : Quantitative Aptitude | 15- 09 - 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 the 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.
So, here we will provide you a set of 10 questions of Quantitative Aptitude, important for SSC  exam.

Q. 1. A single discount, equivalent to the successive discounts of 30%, 20% and 10%, is

30%, 20% तथा 10% के क्रमिक बट्टों के समतुल्य एकल बट्टा है 

(A) 60%
(B) 49.60%
(C) 47.40%
(D) 51.4%

Q. 2. When f(x) = 12x3 – 13x2 – 5x + 7 is divided by (3x + 2), then remainder is -

जब f(x) = 12x3 – 13x2 – 5x + 7 को (3x + 2) से विभाजित किया जाता है, तो शेषफल है - 


(A) 2
(B) 0
(C) – 1
(D) 1

Q. 3. The average of five numbers is 371.8.The average of first and second number is 256.5 and the average of the fourth and fifth number is 508.Which of the following is the third number?

पांच संख्याओं का औसत 371.8 है। पहली और दूसरी संख्या का औसत 256.5 है और चौथी व पाँचवी संख्या का औसत 508 है। निम्न में से तीसरी संख्या कौन सी है? 


(A) 360
(B) 310
(C) 330
(D) 430

Q. 4. Find the length of the tangent drawn from a point whose distance from the centre of a circle is 25 cm. Given that the radius of the circle is 7 cm.

उस स्पर्श रेखा की लम्बाई ज्ञात कीजिए जोकि वृत्त के केंद्र से 25 सेमी दूरी पर स्थित किसी बिन्दु से खींची जाती है। दिया है कि वृत्त की त्रिज्या 7 सेमी है। 


(A) 12 cm. / सेमी
(B) 18 cm. / सेमी
(C) 24 cm. / सेमी
(D) 28 cm. / सेमी

Q. 5. If A's height is 30% less than that of B, How much percentage B's height is more than that of A?

यदि A की ऊँचाई B से 30% कम है, B की ऊँचाई A की ऊँचाई से कितने प्रतिशत अधिक है ? 


(A) 42.58%
(B) 42.8%
(C) 42.83%
(D) 42.85%

Q. 6. A bag contains 5 red balls and 7 blue balls. Two balls are drawn at random without replacement, and then find the probability of that one is red and other is blue.

एक बैग में 5 लाल गेंदें और 7 नीली गेंदें हैं । दो गेंदों को यादृच्छया बिना प्रतिस्थापन के निकाला जाता है, और तो एक के लाल और एक के नीली होने की प्रायिकता ज्ञात कीजिये । 


(A) ssc-math-quiz-15-09-19
(B) ssc-math-quiz-15-09-19
(C) ssc-math-quiz-15-09-19
(D) ssc-math-quiz-15-09-19

Q. 7. A certain sum of simple interest amounts to Rs. 1350 in 5 years and to Rs. 1620 in 8 years. What is the sum?

कोई राशि साधारण ब्याज पर 5 वर्ष में 1350 रू. और 8 वर्ष में 1620 रू. हो जाती है। राशि क्या है?


(A) Rs. / रू.700
(B) Rs. / रू.800
(C) Rs. / रू.900
(D) Rs. / रू.1000

Q. 8. If sin θ and cos θ are the roots of the equation ax2 – bx + c = 0, then which one of the following is correct?

यदि समीकरण ax2 – bx + c = 0 के मूल sin θ और cos θ हैं, तो निम्नलिखित में से कौन सा एक सही है?


(A) a2 + b2 + 2ac = 0
(B) a2 – b2 + 2ac = 0
(C) a2 + c2 + 2ab = 0
(D) a2 – b2 – 2ac = 0

Q. 9. 76 ladies complete a job in 33 days. Due to some reason some ladies did not join the work and therefore it was completed in 44 days. The number of ladies who did not report for the work is

76 महिलाएं कोई काम 33 दिनों में पूरा करती है। किसी कारण से कुछ महिलाएँ काम पर नहीं आ सकीं और इसलिए यह काम 44 दिनों में पूरा हुआ। काम पर न आने वाली महिलाओं की संख्या क्या है? 


(A) 17
(B) 18
(C) 19
(D) 20

Q. 10. The fourth proportional to 7, 11, 14 is

7, 11, 14 का चौथा समानुपातिक क्या है? 


(A) 16
(B) 18
(C) 20
(D) 22

Answer Key:

1. Sol. (B) 


Single equivalent discount for successive discounts of 30% and 20%/30% और 20% की क्रमागत छूटों के समतुल्य एकल छूट
= ssc-math-quiz-15-09-19= 44%
Single equivalent discount for successive discounts of 44% and 10%/44% और 10% की क्रमागत छूटों के समतुल्य एकल छूट
= ssc-math-quiz-15-09-19= 49.60%

2. Sol. (D) 

Req. Remainder/ अभीष्ट शेषफल = ssc-math-quiz-15-09-19
= ssc-math-quiz-15-09-19
= ssc-math-quiz-15-09-19= 1

3. Sol. (C) 

Third number/ तीसरी संख्या = 5 × 371.8 – 2 × 256.5 – 2 × 508
 = 1859 – 513 – 1016 = 1859 – 1529
 = 330

4. Sol. (C) 

http://onlinespeedtest.mahendras.org/Images/137635760038366.jpg

5. Sol. (D) 

A                                 B
70                                100
Required/ अभीष्ट % = ssc-math-quiz-15-09-19 = 42.85%

6. Sol. (B)


Required probability/ अभीष्ट प्रायिकता = ssc-math-quiz-15-09-19

7. Sol. (C) 

R = ssc-math-quiz-15-09-19
= 10%
P = ssc-math-quiz-15-09-19= Rs. / रू.900

8. Sol. (B) 

sin θ + cos θ = ssc-math-quiz-15-09-19
sin θ. cos θ = ssc-math-quiz-15-09-19
sin2 θ + cos2 θ = ssc-math-quiz-15-09-19
b2 – 2ac = a2
a2 – b2 + 2ac = 0

9. Sol. (C) 

Let number of ladies who did not report for the work be x.
माना महिलाओं की संख्या जो काम पर नहीं आ सकीं, x है ।
(76 – x) × 44 = 76 × 33
44x = 76 × 44 – 76 × 33
x = ssc-math-quiz-15-09-19
x = 19

10. Sol. (D) 

Let fourth proportional be x. / माना चौथा समानुपातिक x है ।
7: 11 :: 14: x
7 × x = 11 × 14
x = 22

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