SSC CHSL Quiz : Quantitative Aptitude | 11 - 03 - 18

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Q.1) If the value of sec θ + tan θ = 2 + , calculate the value of cos θ ?

यदि sec θ + tan θ = 2 + , तो cos θ का मान ज्ञात कीजिये ?

1. ½
2. 1
3. 0
4.  

Q.2) What is the radius of the circumcircle of the triangle whose sides are 9cm, 12cm and 15cm respectively?

त्रिभुज के परिवृत्त की त्रिज्या क्या है जिसकी भुजा क्रमश: 9 सेमी, 12 सेमी और 15 सेमी है ?

1. 7.5
2. 8
3. 8.5
4. 9

Q.3) By which smallest number should be multiply 69120 to make a perfect cube?

वह सबसे छोटी संख्या ज्ञात कीजिये जिससे गुणा करने पर 69120 पूर्ण घन बन जाए ?

1. 25
2. 50
3. 100
4. 125

Q.4) The base of a right pyramid is a square of side 40cm. long. If the volume of the pyramid is 8000 cm3, then its height is: 

एक सम पिरामिड का आधार 40 सेमी भुजा वाला एक वर्ग है लंबा। यदि पिरामिड का आयतन 8000 सेमी3 है, तो इसकी ऊंचाई है:

1. 15
2. 20
3. 24
4. 30

Q.5) Find the remainder left if 572 is divided by 6

572 को 6 से विभाजित करने पर प्राप्त शेषफल ज्ञात कीजिए |

1. 0
2. 1
3. 5
4. 3

Q.6) If  and V1 and V2 are minimum and maximum value of  , then V1 – V2 is equal to?

यदि  तथा V1 और V2 ,  का न्यूनतम और अधिकतम मान हो, तो V1 – V2 का मान बराबर होगा?

1. 18
2. -18
3. 36
4. -36

Q.7) If x2 – 4x + 1 = 0, then the value of  is

यदि x2 – 4x + 1 = 0, तो  का मान ज्ञात कीजिए –

1. 74
2. 64
3. 62
4. 52

Q.8) If 'O' is the incentre of the Δ PQR. If ∠POR = 115°, then value of ∠PQR is 

यदि 'O' ΔPQR का अंत:केन्‍द्र हो और ∠POR = 115° हो, तो ∠PQR का मान क्‍या है ?

1. 25
2. 50
3. 60
4. 30

Q.9) The difference between successive discounts of 40% followed by 30% and 45% followed by 20% on the marked price of an article is Rs.12. The marked price of the article is:

किसी वस्तु के अंकित मूल्य पर 40% उसके बाद 30% और 45%, उसके बाद 20% की उत्तरोत्तर छूट में अंतर 12 रु. है | उस वस्तु का अंकित मूल्य है-

1. 300
2. 400
3. 500
4. 600

Q.10) Walking at the rate of 4 km/hr a man covers certain distance in 2 hrs. 45 min. Running at a speed of 16.5 km/hr the man will cover the same distance in how many minutes?

एक व्यक्ति 4 किमी/ घंटा की गति से चलते हुए एक निश्चित दूरी को 2 घंटे 45 मिनट में तय करता है |16.5 किमी/ घंटा की गति से दौड़ते हुए वह व्यक्ति उस दूरी को कितने मिनट में तय करेगा ?

1. 15
2. 25
3. 30
4. 40

Answer:

Q.1) (A)
sec θ + tan θ = 2 +  = sec 60 + tan 60
cos 60 =

Q.2) (A)

It’s a right angle triangle.
15/2 =7.5
Q.3) (A)
69120 × 25 = 1728000

Q.4) (A)


h =15

Q.5) (B)

1

Q.6) (D)


a +  = =  3
V1 =  = 33 – 3×3 = 18
V2 =  = (-3)3 – 3×-3 = -18
V1 – V2­ = -18 - 18 = -36

Q.7) (D)

x2 – 4x + 1 = 0
x +  = 4
 = 43 – 3×4 = 52

Q.8) (B)

115 = 90 +
∠PQR = 50

Q.9) (D)

D1 = 40 + 30 -  = 58%
D2 = 45 + 20 -  = 56%
2% = 12
100% = 600

Q.10) (D)