Question
How many pairs of letters are there in the word
“AIRPORT” which has as many letters between them (both forward and backward) in the words as in English alphabetical series?Solution
PR and OP are 2 such pairs which have as many letters between them (both forward and backward) as in English alphabetical series.
Find the largest four-digit number which when divided by 6, 10, 15, and 18, leaves a remainder 1, 5, 10, and 13 respectively.
- When a number is divided by 31, the remainder is 28. Find the remainder when twice the number is divided by 31.
Uttarakhand Government accomplished a Golden Triangular Project. Under this Project, the State Government Laid down 6 lane roads connecting the three ci...
Consider a set of 11 distinct positive integers whose average is 20. If the average of the initial six integers in this set is 14, and the average of th...
Arun has 96 toy cars – some red and some black. If he buys 36 more red toy cars, the ratio of red to black cars becomes 7:5. Find the number of red to...
The following dataset represents the examination scores achieved by 10 students:
36, 91, 80, 77, 64, 80, 45, 56, 41, 96
Find the median of...
- What number should be subtracted from both 36 and 28 so that the resulting numbers are in the ratio of 7:5?
The mean of three distinct numbers is 30. If the third number is to the combined total of the first two numbers in the ratio 16:29, what is the sum of t...
If the first term is 125 and the common ratio is 3/5, then what will be the fourth term of the geometric progression (G.P)?
- Find the median of the following observations:
72, 81, 63, 55, 94, 80, 77
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