Number System What is the value of ? in the following equations ? 72/? = ?/50 100 80 60 40 100 80 60 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 If the product of two successive positive integers is 4692, what is the smaller number ? 68 66 70 64 68 66 70 64 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∵ 68 x 69 = 4692
Number System In how many different ways can the letters of the word 'DETERMINE' be arranged ? 60480 63480 61480 62480 60480 63480 61480 62480 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of arrangements = 9! / 3! Because, E comes 3 times = 60480
Number System Sum of two numbers is 15. Two times of the first exceeds by 5 from the three times of the other. Then the numbers will be? 10, 5 7, 8 9, 6 6, 9 10, 5 7, 8 9, 6 6, 9 ANSWER DOWNLOAD EXAMIANS APP
Number System Supply the missing figure : 1, 4, 9, 16, 25 .... 49 23 36 42 16 23 36 42 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 36
Number System 1827÷ 36 x ?=162.4 1.9 2.6 4.3 3.2 1.9 2.6 4.3 3.2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3.2
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