Number System Which one of the following is the sum of the numbers 1, 3, 5, 7, 9…. up to nth number? N(N + 1) N2 N2 + 1 N(N + 1)/2 N(N + 1) N2 N2 + 1 N(N + 1)/2 ANSWER DOWNLOAD EXAMIANS APP
Number System 56.21 +2.36+5.41 —21.4+1.5=? 54.08 44.08 64.08 34.08 54.08 44.08 64.08 34.08 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 44.08
Number System 65% of 320+?=686 479 480 481 478 479 480 481 478 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65% of 320+?=686 208+?=686?=686-208?=478
Number System What is a two-digit number if the ratio of the digit at ten's place to the digit at unit's place is 4 : 3 ? (I) The sum of the digits of a two-digit number is 14. (II) The digit at unit place is 75% o If the data in statement (II) alone is sufficient to answer the question, while that in statement (I) alone is not sufficient. If the data either in statement (I) alone or in statement (II) alone is sufficient to answer the question. If the data in statement (I) alone is sufficient to answer the question while that in statement (II) alone is not sufficient. If the data even in both statements (I) and (II) together is not sufficient to answer the question. If the data in statement (II) alone is sufficient to answer the question, while that in statement (I) alone is not sufficient. If the data either in statement (I) alone or in statement (II) alone is sufficient to answer the question. If the data in statement (I) alone is sufficient to answer the question while that in statement (II) alone is not sufficient. If the data even in both statements (I) and (II) together is not sufficient to answer the question. ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10x + y∴ 3x = 4y ......(1)From (I),x + y = 14 .....(2)Solving equations (1) and (2),x = 8, y = 6∴ Number = 86 From (II)y = 75/100 x x ∴ 3x = 4y.Which is the same as eqn (1)
Number System What is the sum of all even numbers from 1 to 701? 122550 122850 122500 123850 122550 122850 122500 123850 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 700/2 = 350350 * 351 = 122850
Number System Find the least number which when divided by 35 and 11 leaves a remainder of 1 in each case. 386 384 388 391 386 384 388 391 ANSWER DOWNLOAD EXAMIANS APP
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