Question
Which physical quantity has unit
āJoule/secondā?Ā ĀSolution
Power = Work / TimeĀ Ā Unit of work is Joule, time is second, so Power = Joule/second = WattĀ Ā 1 Watt = 1 Joule per secondĀ Ā This defines how fast work is done (e.g., in motors, bulbs).
Which of the following should be replaced with # in the number 12324#84 so that it becomes a multiple of 8?
Five numbers are arranged in decreasing order. The average of the first four numbers is 60, and the average of the last four numbers is 55. What is the ...
What is the largest sum of m and n such that ā4m932n6ā is divisible by 12?
- Calculate the difference between number of factors and sum of factors of 396.
A number, when divided by 64, leaves a remainder of 47. What will be the remainder when it is divided by 16?
Raj scored 140 marks in a test getting 3 marks for each right answer and losing 1 mark for each wrong answer, had 4 marks been awarded for each correct...
If the digits of a two-digit number are reversed, the resulting number is 36 less than twice the original number. If the sum of the digits is 9, what is...
- The divisor is 30% of the quotient and 3 times the remainder. If the remainder is 5, then what is the dividend?
What is the greatest common divisor of 1320, 1980, and 3300?
If (2/3)rdĀ of āxā exceeds (2/5)thĀ of (x + 5) by 6, then find the value of āxā.
