In the following question, a word has been written in four different ways out of which only one is correctly spelt. Select the correctly spelt word.
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Ages of Lalu and Balu are in the ratio of 1 : 2. After 7 years their ages ratio changes to 3 : 5. The elder person age is
A rectangular playground ground of length 125 m and width 75 m, has a walking strip of width 3 m in the middle of the ground, along the longer side. What is the area of the ground without the walking strip?
In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.
The first and last terms of an arithmetic progression are 29 and -49. If the sum of the series is -140, then it has how many terms?
The slopes of two lines are 1 and √3. What is the angle between these two lines?
How many layers are there in the OSI networking model?
Select the word with the correct spelling.