Number System 2536+4851—?=3450+313 4567 5243 3624 6784 4567 5243 3624 6784 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3624
Number System In how many different ways can the letters of word "SENTENCE" be arranged ? 2360 3360 3260 6460 2360 3360 3260 6460 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 8!/3! 2! = 40320/12 = 3360
Number System If the numerator of a fraction is increased by 200% and the denominator by 300%, the fraction thus obtained is 1/36. What is the original fractions ? 4/9 6/9 3/9 5/9 4/9 6/9 3/9 5/9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the fractions be x/yx + 200% of x/y + 300% of y = 1/3= x + 2x/y + 3y = 1/3= 3x/4y = 1/3Hence x/y = 4/9
Number System Pick the wrong number from the given number series. 3,4,10,33,135,685,4116 33 135 10 685 33 135 10 685 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The correct number is 136.3 x 1 + 1 = 44 x 2 + 2 = 1010 x 3 + 3 = 3333 x 4 + 4 = 136136 x 5 + 5 = 685685 x 6 + 6 = 4116
Number System What least number should be added to 8602 to make it a perfect square ? 47 41 51 36 47 41 51 36 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP So, (93)² = 8649So, the required number to be added to make a perfect square = 8649 - 8602 = 47
Number System What value should come in place of ? in the given number series ? 15, 51, 162, 498, 1509, ? 4545 3434 5656 7878 4545 3434 5656 7878 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
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