RRB Group D previous year question
If cot θ = 14/3, then what is the value of cos θ? (0° < θ < 90°)
Asked in RRB Group D CBT-1: 09 Jan 2026 Shift 1 · Quantitative Aptitude
Tap an option to check your answer.
Show answer and explanation
Correct answer: (D) 14/√205
cotθ=14/3 → adjacent=14, opposite=3, hyp=√(14²+3²)=√205 → cosθ=14/√205.
हिंदी में प्रश्न
यदि cot θ = 14/3 है, तो cos θ का मान ज्ञात कीजिए। (0° < θ < 90°)
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (D) 14/√205
सही उत्तर: विकल्प D (14/√205)
More solved Quantitative Aptitude questions
- Ten years ago, a father was three times as old as his son. Ten years from now, he will be twice as old as his son. What is the son's…
- In a quadrilateral WXYZ, ∠W = 74° and ∠X = 58°. The bisectors of ∠Y and ∠Z meet at O. What is the measure of ∠ZOY?
- The sides of a triangle ABC are AB = 5 cm, BC = 6 cm and CA = 7 cm, respectively. Another triangle is formed by joining the mid-points of…
- Walking at 5/6th of his normal speed from his home, Lakshya is 24 minutes late in reaching his office. The usual time taken by him to…
- ₹6,874 is to be divided among three persons X, Y and Z. If the shares of X and Y are in the ratio 5 : 9 and that of Y and Z are in the…
- In quadrilateral PQRS, the bisectors of ∠R and ∠S meet at the point T (inside the quadrilateral) and ∠STR = 48°. If the ratio of ∠P to ∠Q…