Number System What number should come in the place of (?) in the following number series ? 1, 4, 9, 25, 49, ?, 169, 289, 361 121 11 321 225 121 11 321 225 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The series is (Prime No.)²So it is (11)² = 121
Number System If the sum of five consecutive even numbers A, B, C, D and E is 130, what is the product of A and E ? 660 720 840 780 660 720 840 780 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the consecutive even numbers be A = 2x, B = 2x + 2, C = 2x + 4, D = 2x + 6 and E = 2x + 8= A + B + C + D + E = 130= 10x + 20 = 130∴ x = 130 - 20/10 = 11Therefore, product of A and E= 22 x 30 = 660
Number System A number when divided by 221 gives a remainder 43, what remainder will be obtained by dividing the same number 17? 11 10 5 9 11 10 5 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 221 + 43 = 264/17 = 9 (Remainder)
Number System If three eighth of a number is 141. What will be the approximately value of 32.08% of this number? 160 90 120 60 160 90 120 60 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 3/8 = 141 => x= 376376 * 32.08/100 = 120
Number System 2536+4851—?=3450+313 4567 5243 3624 6784 4567 5243 3624 6784 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3624
Number System The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is: 20 30 None of these 40 20 30 None of these 40 ANSWER DOWNLOAD EXAMIANS APP
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