Number System In how many different ways can the letters of word 'BIOLOGY' be arranged ? 2520 2678 2367 2410 2520 2678 2367 2410 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In BIOLOGY total 7 letters are there but O comes twice.∴ Number of arrangements = 7!/2! = 2520
Number System Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is: 13 15 9 11 13 15 9 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 What is the value of ? in the following equations ? 72/? = ?/50 80 60 100 40 80 60 100 40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 72 x 50= (6 x 6 x 2) x (5 x 5 x 2)= (6 x 5 x 2)² = (60)²∴ ? = 60
Number System 2536+4851—?=3450+313 6784 4567 5243 3624 6784 4567 5243 3624 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3624
Number System On converting the following base-2 numeral in base ten, 1101101, we get 109 108 107 106 109 108 107 106 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 109
Number System If 70% of an equal to 40% of b, then ratio between a and b is? 4: 7 7: 11 None 7: 4 4: 7 7: 11 None 7: 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 70 a = 40 ba: b = 4: 7
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