Question
What is A's present age, if after 17 years his age will
be 10 times his age 10 years back?Solution
Let A's present age be x. A's age 17 years ago = (x - 17) A's age after 10 years = (x + 10) According to question, =>(x + 17) = 10 (x – 10) => x + 17 = 10x – 100 => 9x = 117 => x = 13 years
How many pairs of letters are there in the word ‘PULMONARY’, which has as many letters between them (both forward and backward) in the word as in t...
If it is possible to make a meaningful English word from the 1st, 3rd , 8th and 12th letter of the word ‘...
If the letters of the word ‘OCCUPATIONAL’ are arranged in alphabetical order from the left end, then which letter (in the English alphabetical serie...
In the given number 857354216, one is added to all the even digits and one is subtracted from all the odd digits, then what is the sum of all the digit...
How many pairs of letters are there in the word “SAMPLING” which has as many letters between them in the word as in the English alphabetical series?...
Which of the following letters will be 6th letter from the left end if the letters at even positions are replaced by succeeding letter according to alph...
In the given words, if the 3rd and 6th (from the left end) letters are exchanged and same is done with 4th and 9th...
If all the digits of the number 298664321 are arranged in decreasing order, then sum of 5 th and 6 th digits (from the left end) of the number thus for...
If the consonants of the following words are arranged first, followed by the vowels as per the English alphabetical order and then the consonants are ch...
Given below are four combinations [i], [ii], [iii] and [iv] of five words. In each combination you have to arrange the letters in English alphabetical o...