Number System If 35% of a number is 899.5, what is 68% of that number ? 1747.6 2247.6 1547.6 1847.6 1747.6 2247.6 1547.6 1847.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Suppose the number is x.Then 35% of x = 899.5∴ 68% of x = 68/35 x 899.5 = 1747.6
Number System What is 50% of 40% of Rs. 3,450? 670 630 640 690 670 630 640 690 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 40% * 3450 = 1380then, 50 % * 1380 = 690
Number System If the numberator of a fraction is increased by 50% and denominator by 20% the fraction become 9/15. What was the original fraction ? 13/25 6/7 3/5 12/25 13/25 6/7 3/5 12/25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the fraction be x/yWe have 150x/120y = 9/15= x/y = 12/25
Number System √9216 + √15376 = ? 224 227 231 220 224 227 231 220 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √9216 + √15376= 96 + 124= 220
Number System 1089/? = ?/1296 1348 1082 1188 1278 1348 1082 1188 1278 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 1089 x 1296(?)²= (11 x 11 x 9) x (12 x 12 x 9)(?)= 11 x 12 x 9= 1188
Number System What is the sum of all the composite numbers up to 20? 128 130 132 131 128 130 132 131 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4 + 6 + 8 + 9 + 10 + 12 + 14 + 15 + 16 + 18 = 132
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