Question
There are two words, "PLAYGROUND" and "DETERMINATION".
In the word "PLAYGROUND", the letters that come towards the left of 'R' are changed into their immediate succeeding letter. The letters that come towards the right of 'G' are changed into their immediate preceding letter. In the word "HANDCRAFTS", the letters that come before 'M' in the alphabetical series are changed into their immediate succeeding letter. The remaining letters are changed into their immediate preceding letter. Then, all the repeated letters are deleted. After that, the remaining letters are arranged in alphabetical order from the left end. Which letter will come fourth from the right end?Solution
In PLAYGROUND, P        L         A        Y        G        R        O        U        N        D Q        M        B        Z         H        Q        N        T         M        C In HANDCRAFTS, H        A        N        D        C        R        A        F         T         S I          B        M        E        D        Q        B        G        S        R Now in both the words all the repeated vowels are deleted. Z         H        N        T         C        I          E        D        G        S        R Now, the remaining letters are arranged in alphabetical order from the left end. C        D        E        G        H        I          N        R        S        T         Z ‘R’ is fourth from the right end.
18Â Â Â Â Â Â Â Â Â Â Â Â 29 Â Â Â Â Â Â Â Â Â Â Â Â Â Â 51 Â Â Â Â Â Â Â Â 84 Â Â Â Â Â Â Â Â 128 Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 182
If 4 10 16 26 x 50
Then find the value of (x² - 1) + ( x² + 1).
...4, 8, 24, ?, 840, 9240
32, 65 , 196, 785, ? , 23557
16 18 14 20 12 ?
...362Â Â Â 284Â Â Â 393Â Â Â Â 451Â Â Â Â 144Â Â Â Â Â 221
...24  12  18  ?  157.5  708.75  3,898.125
Choose the number which is different from others in the group.
21 11.5 13 ? 45.5 116.75
...31   48    67    90   ?      150