For the following questions answer them individually
A group of three friends, K, L and M, are sitting in a cafe. Their average age is 24 years. Another friend ‘N’ joins the group and the new average age of the group becomes 23 years. If another friend ‘R’, whose age is 2 years more than that of ‘N’, replaces ‘K’, then the average age of L. M, N and R becomes 22.5 years. What is the age of K?
Fourletter-clusters have been given, out of which three are alike in some manner, while one is different. Select the odd letter-cluster.
Select the option in which the numbersare related in the same way as are the numbersin the givenset.
(343, 98, 21)
Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
_uvwuv_wvtuw_uvwuv_wv_uw
The first electron shell which is the nearest to the nucleus never holds more than 'n' electrons, where 'n' is equal to:
In the context of rivers and their tributaries, which of the following pairs is correct?
CAT Averages, Ratios & Proportions
CAT Logarithms, Surds & Indices