Question
The ratio of the age of M after 3 years to the age of N
after 2 years is 5:4. The sum of the ages of N and O after 6 years is 68 years. The age of O before 4 years was half of what it will be after 16 years. Find the present age of M.Solution
ATQ, O – 4 = 1/2 × (O + 16) 2O – 8 = O + 16 O = 24 Present age of O = 24 years N + 6 + O + 6 = 68 N + 6 + 24 + 6 = 68 N = 68 – 36 = 32 years M + 3 = (5/4) × (32 + 2) M + 3 = (5/4) × 34 M = 42.5 – 3 = 39.5 years
Which of the following letter will be 7th letter from the right end if the letters of the word “CLAVULANATE” are arranged in reverse alphabetical or...
If each of the digits in the number '498953627' are arranged in ascending order from left to right, what will be the difference between the digits, whi...
If first and third letters of each word are interchanged within the word, then how many words will form a meaningful word after the rearrangement?
How many pairs of letters are there in the word ‘POTENTIAL’, which has as many letters between them (in only forward direction) in the word as in t...
How many pairs of letters are there in the word “DIAMETER” which has as many letters between them in the word as in the English alphabetical series?...
If in the word DOMINATE, first all the consonants are arranged in alphabetical order from left to right and then all vowels are arranged in alphabetica...
If in the number “743739256”, “1” is subtracted from all the odd digits and “2” is added to all the even digits, then which of the following...
If we arrange all the vowels of the word “HEMISPHERE” in English alphabetical order first and then all the consonants in alphabetical order, then wh...
Which of the following letter will be 5th letter from the left end if the letters at odd positions are replaced by succeeding letter in the w...
The position of how many alphabets will remain unchanged if each of the alphabets in the word ‘JUGGLING’ is arranged in alphabetical order...
Relevant for Exams:
