Question
In a school, ratio of male to female teachers is 1: 3
respectively. When 24 more female teachers joined the school, then this ratio becomes 2: 9 respectively. How many male teachers are there in the school?Solution
Let the initial number of male and female teachers are n and 3n respectively. Then,n: (3n + 24) = 2: 99n = 6n + 483n = 48n = 16
Find which one of the given words can be made from the letters of the given word.
‘ WIRELESS ’
...Select the option in which the numbers are not related in the same way as are the number of the following set.
(12, 15, 90)
Select the option that is related to the fifth number in the same way as the second number is related to first number and the third number is related to...
 What is related to Menu as Syllabus is related to Course?
Select the option that is related to the third number in the same way as the second number is related to the first number.
14 : 2940 :: 9 : ?<...
- Select the option that follows the same pattern.
3648 : 3759 :: 5923 : ? :: 8746 : 9757 Select the option that is related to second number in the same way fourth number is related to third number.
17 : ? :: 26 : 674
Select the option that is related to the third number in the same way as the second number is related to first number and the sixth number is related t...
Select the set in which the numbers are related in the same way as are the numbers of the following set. (NOTE : Operations should be performed on the w...
Select the option that is related to the third number in the same way as the second number is related to the first number.
63: 5103 :: ? : 9802.
