Number System Complete the series : 1, 2, 3, 5, 8, 13 .... 7 1 4 9 7 1 4 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1
Number System Of an amount, 20% of 25% of 30% is Rs 75. Then what is the original amount ? Rs. 5000 Rs. 2000 Rs. 3000 Rs. 4000 Rs. 5000 Rs. 2000 Rs. 3000 Rs. 4000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the amount be x.∴ X x 20/100 x 25/100 x 30/100 = 75∴ X = 75 x 5 x 4 x 10/3 = 5000
Number System Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is: 15 9 13 11 15 9 13 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the three integers be x, x + 2 and x+ 4.Then,3x = 2(x + 4) + 3x = 11Third integer = x + 4 = 15.
Number System If (72)² is subtracted from the square of a number, the answer thus obtained is 4617. What is the number ? 103 95 99 92 103 95 99 92 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (72)² = 467Therefore, x² = 4617 + 5184Therefore, x² = 9801 Therefore, x = 99
Number System 64% of 2650+40% 0f 320=? 1578 1824 1247 2096 1578 1824 1247 2096 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1824
Number System The product of two natural numbers is 17. Then, the sum of the reciprocals of their squares is: 1/289 289/290 290/289 289 1/289 289/290 290/289 289 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be a and b. Then,ab = 17, a = 1 and b = 17So, 1/a2 + 1/b2 = (a2 + b2)/a2 b2 = (12 + 172)/(1 * 17)2 = 290/289
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