कर्मचारी चयन आयोग ग्रेजुएट लेवल परीक्षा अगस्त २००८

कर्मचारी चयन आयोग ग्रेजुएट लेवल परीक्षा अगस्त २००८

SSC Graduate Level exam held on August 3, 2008

The average of eight numbers is 20. If the sum of first two numbers is 31, the average of the next three numbers is 21 and the seventh and eighth numbers exceed the sixth number by 4 and 7 respectively, then the eighth number is:

(1) 20 (2) 25
(3) 21।6 (4) 25.3