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The difference between 75% of a number and three-fifth...
Let the number = nThen, 75% of n = 3n/4And, three-fifth part of n = 3n/5Then, (3n/4) - (3n/5) = 21n = 140Therefore, sum of digits of n = 1 + 4 + 0 = 5
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There are three numbers m, n, and p, such that sum of m...
m + n = 144=> n = 144 - m --(1)And 3n + 5p = 464 ---(2)p + m = 160=> p = 160 - m ---(3)So, 3(144 - m) + 5(160 - m) = 464=> 432 - 3m + 800 - 5m =...
2026-07-16 -
How many pairs of digits are there in the number...
The given number is 426389. Pair of digits in forward direction: 46, 48, 49, 68, 69, 89Pair of digits in backward direction: 0So, there are 6 such pairs.
2026-07-16 -
If the sum of three numbers is 18 and the sum of their...
Given:The sum of the three numbers is 18a+b+c = 18The sum of their squares is 36a2+b2+c2 = 36We need to find the difference between the sum of their cubes...
2026-07-16 -
Directions : A certain number of columns of boxes are...
There is an odd number of columns of boxes such that each column has three boxes stacked one above the another except the three columns which have one box...
2026-07-16 -
Directions : A certain number of columns of boxes are...
There is an odd number of columns of boxes such that each column has three boxes stacked one above the another except the three columns which have one box...
2026-07-16 -
Directions : A building consists of certain number of...
A building consists of certain number of floors. The bottommost floor is numbered as 1, the floor above it as 2 and so on. Each floor consists of three...
2026-07-16 -
Directions : A building consists of certain number of...
A building consists of certain number of floors. The bottommost floor is numbered as 1, the floor above it as 2 and so on. Each floor consists of three...
2026-07-16 -
Directions : There are five 3-digit numbers as given...
We have:234 821 239 635 107After division:132 411 139 335 107
2026-07-16 -
Directions : There are five 3-digit numbers as given...
234 821 239 635 107When arranged in descending order:432 821 932 653 710
2026-07-16