Find the missing number.
11² = 121, 11² = 121 15² = 225, 51² = 2601 13² = 169, 31² = 961
180 is divided into two parts in such a way that the fifth part of the first part and the fourth part of the second are in the ratio 4:5. Second part i...
Find the median of 5, 6, 10, 7, 7, 8, 6, 5 and 12.
How many Zeros can be formed by multiplying 10 times; 20 times; 30 times; 40 times; ...............times; 2000?
A single reservoir supplies petrol to the whole city, and the reservoir is fed by a single pipeline filling the reservoir with a stream of uniform volum...
Sum of squares of three consecutive numbers is 1730. Find the sum of first and third number.
What will be the remainder which 5382 + 53 is divided by 54?
The difference between the value of the number increased by 20% and the value of the number decreased by 30% is 120. Find the number.
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...
Sahil can make a toy in 3 hrs, 25 minutes and 13 seconds. How much time he will take to make 8 such toys?