Pyramid of energy is always upright as there is always a gradual decrease in energy content at every successive tropic level from producer to top consumer.
Determine how many distinct divisors the number 520 has.
If we add 1 to the numerator and subtract 1 from the denominator a fraction becomes 1. It becomes 1/4 if we only add 7 to the denominator what is the fr...
A lending library has a fixed charge for the first 7 days and an additional charge for each day thereafter. Sahil paid Rs . 215 for a book kept for 15 ...
If 'N' is the greatest four digit number which when divided by 27, 6, 8 and 9 Leaves in each case the same remainder of 5, then the sum of the digits of...
4 14 44 124 404
...The sum of four consecutive counting numbers is 154. Find the smallest number?
Find the smallest integer that must be subtracted from 653, so that it is divisible by both 23 and 27.
The average of five consecutive even numbers is 22. What is the smallest of these numbers?
In a two-digit positive number, the digit in the tens place is one less than the square of the digit in the units place. Additionally, the difference be...
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...
