Question
The sum of HCF and LCM of two numbers is 425. If the LCM is
16 times the HCF, and one number is 25, find the second.Solution
ATQ,
Let HCF = x
LCM = 16x
x + 16x = 425
⇒ 17x = 425
⇒ x = 25
Now,
25 × y = 25 × 16 × 25
⇒ 25y = 10000
⇒ y = 10000 ÷ 25 = 400
Which of the following is NOT a vector quantity? Â
The kinetic energy of a body is directly proportional to — Â
Global warming is expected to result in
A pulse of light duration 10-5 s is absorbed fully by a little object initially at rest. If the power of this pulse is 45 × 10-3...
What is the potential difference across a 5 Ω resistor when a current of 2 A flows through it?
Mirror formula is
Two spherical conductors of radii 2 cm and 8 cm are connected. The ratio of charges on them at equilibrium is:
A charged particle oscillates about its mean equilibrium position with a frequency of 105 Hz. What is the frequency of the electromagnetic wa...
A projectile is launched at an angle of 30° with the horizontal and remains in the air for 5 seconds. What is the range of the projectile? (Take g = 10...
Ultrasonic waves, propagating through a medium, can be detected by:
