Question
Six persons N, O, P, Q, R and S sit in a straight line
facing north but not necessarily in the same order. Distance between each adjacent person is equal. Q sits third to the left of R. P sits second to the left of Q. How many persons sit between O and S, if S sits to the immediate right of N?Solution
PÂ Â Â Â Â Â Â Â Â Â Â Â OÂ Â Â Â Â Â Â Â Â Â Â Â QÂ Â Â Â Â Â Â Â Â Â Â Â NÂ Â Â Â Â Â Â Â Â Â Â Â SÂ Â Â Â Â Â Â Â Â Â Â Â Â R
Determine the sum of the first 16 odd numbers.
For which range of 'p' does the expression 19p - 2p²- 35 have a positive value??
The remainder obtained when (47³ + 35³) is divided by 41 isÂ
16Â Â Â Â Â Â Â Â Â Â 4Â Â Â Â Â Â Â Â Â Â Â Â Â 2Â Â Â Â Â Â Â Â Â Â Â Â Â 1.5Â Â Â Â Â Â Â Â Â 1Â Â Â Â Â Â Â Â Â Â Â Â Â 1.875
...The sum of the digits of a two-digit number is 9, and when the digits are reversed, the number decreases by 45. Find the changed number.
Find the unit digit of (76101 - 6).
Find the sum of all natural numbers less than 1,000 that are divisible by both 3 and 5 but not by 7.
How many times I write digit ‘1’ in first hundred natural numbers?Â
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