Question
Eight years from now, Kirti's age will be twice that
of her brother Kunal, but 6 years ago she was four times as old as Kunal was then. Find the present age of Kunal.Solution
Let the present age of Kirti =x and Kunal =y ATQ- After 8 years- X+8 = 2(y+8) … (1) Before 6 years – x-6 = 4(y-6) x-6 =4y-24 x =4y-18 …. (2) put the value of x in Eq (1) 4y -18+8 =2y+16 4y -10 =2y+16 2y =26 y =13 years.
Which of the following words cannot be formed by using the letters of the word ‘ INSTRUCTION ’?
Find which one of the given words can be made from the letters of the given word.
‘ DEHRADUN ’
...Which of the following words cannot be formed from the letters of the word “DEPARTMENT” using each letter only once?
In the following question, select the word which can be formed using the letters of the given word.
FRAGRANCE
- How many such pairs of letters are there in the word ‘SUBMISSION’ each of which has as many letters between them in word, as they have in English alpha...
How many meaningful English words can be formed using B, E, O and R using each letter only once in each word?
Find which one of the given words cannot be made from the letters of the given word ‘ PRONOUNCIATION ’ .
...In the following question, from the given alternative words, select the word which cannot be formed using the letters of the given word.
PERFECTIONIST
Find which one word cannot be formed from the given letters of the word.
‘ NAUGHTINESS ’
...Which can be formed by using the letters of the given word.
GENERALIZATION