Important Quantitative Aptitude Questions For SSC CGL 2018 : 17th September(Solutions)

Important Quantitative Aptitude Questions For SSC CGL : 6th May 2018


Dear students, you know that QUANT is a part of getting points and every chapter is important. Therefore, we are providing 10 questions of quant. Solve all these quizzes every day so that you can improve your accuracy and speed. We also provide lots of quant questions. So you can practice that chapter which takes more time to solve the questions.

प्रिय पाठकों, आप सभी जानते हैं कि संख्याताम्क अभियोग्यता का भाग बहुत ही महत्वपूर्ण है. इसलिए हम आपको संख्यात्मक अभियोग्यता कि 15 प्रश्नों कि प्रश्नोत्तरी प्रदान कर रहे हैं. इन सभी प्रश्नोत्तरी को दैनिक रूप से हल कीजिये ताकि आप अपनी गति और सटीकता में वृद्धि कर सकें. हम आपको अन्य कई संख्यात्मक अभियोग्यता के प्रश्न प्रदान करेंगे. ताकि आप पाठ्यक्रम अनुसार उन्हें हल कर पायें.

Q1. cos² α + cos² (α + 120°) + cos² (α – 120°) = ?
(a) 3/2
(b) 1
(c) 1/2
(d) 0

Q2. If tan A = (1-cos⁡A)/sin⁡B , express tan 2A in terms of tan B
यदि tan A = (1-cos⁡A)/sin⁡B  है,तो tan 2A को tan B के रूप में अभिव्यक्त कीजिये?
(a) tan 2A = tan B
(b) tan 2A = tan² B
(c) tan 2A = tan² A + tan² B
(d) tan 2A = tan² A – tan² B

Q3. The value of sin 600° cos 330° + cos 120° sin 150° is
sin 600° cos 330° + cos 120° sin 150° का मान कितना है
(a) 1
(b) –1
(c) 1/√2
(d) √3/2

Q4. If tan (A + B) = p & tan (A – B) = q, then the value of tan 2A is
यदि tan (A + B) = p & tan (A – B) = q है,तो tan 2A का मान कितना है
(a) (p + q)/(p – q)
(b) (p – q)/(1 + pq)
(c) (p + q)/(1 – pq)
(d) (1 + pq)/(p – q)

Q5. sec⁡(8A – 1)/sec⁡ (4A – 1) = ?
(a) tan⁡2A/tan⁡8A
(b) tan⁡8A/tan⁡2A
(c) cot⁡8A/cot⁡2A
(d) cot⁡2A/cot⁡8A

Q6. In a ∆ABC, ∠C = 90°, then the equation whose roots are tan A & tan B is
एक में∆ABC, ∠C = 90° है,तो किस समीकरण का मूल tan A और tan B होगा?
(a) abx² + c²x + ab = 0
(b) abx² + c²x – ab = 0
(c) abx² – c²x – ab = 0
(d) abx² – c²x + ab = 0

Q7. If sin A + sin 2A = x and cos A + cos 2A = y, then (x² + y²)(x² + y² – 3) = ?
यदि sin A + sin 2A = x और cos A + cos 2A = y है,तो (x² + y²)(x² + y² – 3) = ?
(a) 2y
(b) 3y
(c) 3y
(d) 4y

Q8. If cos (A – B) = 3/5 and tan A tan B = 2, then 
यदि cos (A – B) = 3/5 और tan A tan B = 2 है,तो
(a) cos A cos B = 2/5
(b) sin A sin B = 2/5
(c) cos A cos B = –1/5
(d) sin A sin B = –1/5

Q9. (cos 9° + sin⁡ 9°)/(cos⁡ 9° – sin⁡ 9° )=?
(a) tan 54°
(b) tan 36°
(c) tan 18°
(d) cot 18°

Q10. If tan α = 1/7 & tan β = 1/3, then cos 2α = ?
यदि tan α = 1/7 और tan β = 1/3 है,तो cos 2α = ?
(a) sin 2β
(b) sin 4β
(c) sin 3β
(d) cos 3β

Q11. If A = 130° and x = sin A + cos A, then 
यदि A = 130° और x = sin A + cos A है, तो
(a) x > 0
(b) x < 0
(c) x = 0
(d) x ≤ 0

Q12. If tan A = 1/2, tan B = 1/3, then cos 2A = ?
यदि tan A = 1/2, tan B = 1/3 है, तो cos 2A = ?
(a) sin B
(b) sin 2B
(c) sin 3B
(d) cos 3B

Q13. If sin (120° – A) = sin (120° – B), 0 < A, B < π, then the values A and B are
यदि sin (120° – A) = sin (120° – B), 0 < A, B < π है, तो A और B का मान कितना है
(a) A = B
(b) A = B or A + B = π/3
(c) A + B = 0, A + B = π/3
(d) None of these/इनमें से कोई नहीं

Q14. 2sin² β + 4cos (α + β) sin α sin β + cos 2(α + β) = ?
(a) sin 2α
(b) cos 2β
(c) cos 2α
(d) sin 2β

Q15. The value of cos 12° + cos 84° + cos 156° + cos 132° is
cos 12° + cos 84° + cos 156° + cos 132° का मान कितना है
(a) 1/2
(b) 1
(c) -1/2
(d) 1/8

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