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Start learning 50% faster. Sign in nowIn telecommunications and signal processing, frequency modulation (FM) conveys information over a carrier wave by varying its instantaneous frequency. This contrasts with amplitude modulation, in which the amplitude of the carrier is varied while its frequency remains constant. In analogue television, the sound portion of a broadcast is invariably modulated separately from the video.
A person X wants to distribute some pens among six children A, B, C, D, E and F. Suppose A gets twice the number of pens received by B, three times tha...
On one side of a 1-01 km long road, 101 plants are planted at equal distance from each other. What is the total distance between 5 consecutive plants?
There is a numeric lock which has a 3-digit PIN. The PIN contains digits 1 to 7. There is no repetition of digits. The digits in the PIN from left to r...
In a tournament of Chess having 150 entrants, a player is eliminated whenever he loses a match. It is given that no match results in a tie/draw. How ma...
The number 3798125P369 is divisible by 7. What is the value of the digit P?
If 15 × 14 × 13 ×…× 3 × 2 ×1 = 3m × n
where m and n are positive integers, then what is the maximum value of m?
...In a group of 120 persons, 80 are Indians and rest are foreigners. Further, 70 persons in the group can speak English. The number of Indians who can sp...
The difference between a 2-digit number and the number obtained by interchanging the positions of the digits is 54.
Consider the following sta...
Consider the following statements in respect of two natural numbers p and q such that p is a prime number and q is a composite number :
1. p �...
At which one of the following times, do the hour hand and the minute hand of the clock make an angle of 180° with each other?
