Question
A task can be done by ‘p’ men in 32 days. If the team
had 8 more men, the work would finish in 24 days. Find the value of ‘p’.Solution
ATQ,
Total work = 32p units
So, 32p = (p + 8) × 24
Or, 32p – 24p = 192
Or, 8p = 192
Therefore, p = 192 / 8 = 24
Find the geometric mean for the series given below.
31, 93, 279
Divide 54 into 4 parts such that if the first is increased by 2, the second is decreased by 2, the third is multiplied by 2 and the fourth divided by ...
A certain number represents 31.25% of another number. When 150 is added to the smaller number, it becomes 50% of the larger numbe...
The sum of two distinct positive natural numbers is 246, and their difference is 34. Calculate 10% of the product of these two numbers.
- 35% of 45% of 640 = z + 20.2, what is the sum of the squares of the digits in ‘z’?
How many whole numbers between 100 and 750 are multiples of both 18 and 24?
How many Zeros can be formed by multiplying 10×20×30×40×…………….× 3000
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 ...
- Which of the following numbers is not a perfect square?
If the numerator of a fraction is increased by 300% and the denominator is increase by 600%.The resultant fraction is 1/2. What was the original fraction?