Number System 4550 ÷ 25% of ? = 130 140 125 130 135 140 125 130 135 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4550 ÷ ? x 25/100 = 130= 4550 ÷ ?/4 = 130= 4550 x 4/? = 130= ? x 130 = 4550 x 4= ? = 4550 x 4/130 = 140
Number System Find the number of factors of 300 excluding 1 and itself. 16 18 15 14 16 18 15 14 ANSWER DOWNLOAD EXAMIANS APP
Number System In how many different ways can the letters of the word 'LEASE' be arranged ? 80 None of these 40 60 80 None of these 40 60 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The world LEASE consists of 5 letters in which E comes twice ∴ 51/21 = 5x4x3x2x1/2x1 = 60
Number System What value should come in place of ? in the given number series ? 15, 51, 162, 498, 1509, ? 5656 3434 7878 4545 5656 3434 7878 4545 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 15, (15 + 2) x 3 = 51,(51 + 3) x 3 = 162, (162 + 4) x 3 = 498, (498 + 5) x 3 = 1509(1509 + 6) x 3 = 4545
Number System 68375 + 72848 - ? = 34346 + 49569 57308 58308 59308 None of these 57308 58308 59308 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 68375 + 72848 - 34346 - 49569 = 141223 - 83915 = 57308
Number System A number when, 28 subtracted from it reduces to its one third. What is the value of 50% of that number? 21 24 42 84 21 24 42 84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2/3 x = 28 => x = 4242 * 1/2 = 21
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