Curioustab

Home » Aptitude » Simplification

PAB and PCD are two secants to a circle. If PA = 10 cm, AB = 12 cm and PC = 11 cm, then what is the value (in cm) of PD?

18
9
20
12

Correct Answer: 20

← Previous Question Next Question→

More Questions from Simplification

Triangle PQR is inscribed in a circle such that P, Q and R lie on the circumference. If PQ is the diameter of the circle and ∠PQR = 40°, then what is the value (in degrees) of ∠QPR?
What is the value of {(sin 4x + sin 4y) [(tan 2x – 2y)]}/(sin 4x – sin 4y)?
What is the value of (32 cos6x – 48 cos4x + 18 cos2x – 1)/[4 sin x cos x sin (60 – x) cos (60 – x) sin (60 + x) cos (60 + x)] ?
What is the value of [2 cot × (p – A)/2]/[1 + tan2× (2p – A)/2] ?
If tan θ + sec θ = (x – 2)/(x + 2), then what is the value of cos θ?
What is the value of (cos 40° – cos 140°)/(sin 80° + sin 20°)?
What is the value of [1 – tan (90 – θ) + sec (90 – θ)]/[tan (90 – θ) + sec (90 – θ) + 1]?
What is the value of [sin (90 – A) + cos (180 – 2A)]/[cos (90 – 2A) + sin (180 – A)]?
If P = 22 + 62 + 102 + 142 + ... 942 and Q = 12 + 52 + 92 + ... 812 , then what is the value of P – Q?
If A = (1/0.4) + (1/0.04) + (1/0.004) + ... upto 8 terms, then what is the value of A?

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion