Question
What will be the difference between the number of Pen
sold by shopkeeper A and number of Marker's sold by shopkeeper A.Solution
ATQ, Number of Pen's sold by shopkeeper A = 140 – 40 = 100 Number of Pencil's sold by shopkeeper A = 39/25 × 100 = 156 Number of Pencil's sold by shopkeeper B = 156/1.3 = 120 Number of Marker's sold by shopkeeper A = 5/3 × 120 = 200 Number of Marker's sold by shopkeeper B = 90% of 200 = 180  Required difference = 200 - 100 = 100
- Simplify the following trigonometric expression:
15 cos 27° sec 63° − 9 cot 61° tan 29° If √3 tan 2θ – 3 = 0, then find the value of tanθ secθ – cosθ where 0 < θ < 90°
If (cos A - sin A) = √2 cos (90° - A), then find the value of cot A.


If tan 3.5θ x tan 6.5θ = 1 then the value of tan 5θ is
Find the maximum value of 14 sin A + 24 cos A.

- If cos θ = (4x² – 1)/(1 + 4x²) then find the value of sin q.
The minimum value of 9 cos2 θ + 36 sec2 θ isÂ