Verbal Reasoning - Mental Ability Questions

If x = √8 - √7, y = √6 - √5 and z = √10 - 3, which of the following is true  ?

If it is possible to make a meaningful word with the second, the seventh, the ninth, the tenth and the thirteenth letters of the word PROCRASTINATED which of the following will be the third letter of that word? If no such word can be formed give 'X' as the answer, if two or three words can be formed give 'Y' as the answer, and if more than three such words can be formed give 'Z' as the answer.

Find out which pair of words can be filled up in the blanks in the sentence to make the sentence meaningfully complete.

The policy on foreign direct investment in multi- brand retail may be _______ in a political impasse, but big retail chains are using India as sourcing base and making an _________ on local businesses.

Rajitha has a calculator, which has 10 digits. She want to clean the calculator by removing all the keys and while reassembling it, she interchanged the locations of 3 pairs of keys. For example, if she placed the key ‘3’ in the place of the key ‘7’, she placed the key ‘7’ only in the place of the key ‘3’ and not any other key. All keys that were interchanged corresponded only to numbers. Later, she input some calculations and obtained outputs as provided in the table below. The input is shown in terms of the keys that Kavitapressed, while the output is the output displayed by the calculator.

Output:

1.   95 + 84=128
2.   128 + 64=195
3.   912 + 43=942
4.   178 + 19=192

Question :

Which of the following pair of digits is unchanged ?

L is the daughter of K's brother's wife's father-in-law's daughter. K is L's __

P’s son Q is married with R whose sister S is married to T the brother of Q. How S is related to P ?

Choose the alternative that will continue the same pattern and replace 'x' 33,40,37,44,x

Virus doubles every 3 mins. It is 'K' in 1 hour, when was it K/4 ?