Number System 75% of 250 - ?% of 380 = 54.5 35 31 33 39 35 31 33 39 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 250 x 75/100 - 380 x ?/100 = 54.5= 250 x 75 - 380 x ?= 54.5 x 100= 18750 - 380 x ?= 5450= 380 x? = 18750 - 5450= 13300= ? = 13300/380 = 35
Number System If the average of two numbers is 88.5 and one number is 5.5 less than the average. Find out the next number. 86 91 97 94 86 91 97 94 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 94
Number System Two-third of a positive number and 25/216 of its reciprocal are equal. The number is: 25/144 5/12 12/5 144/25 25/144 5/12 12/5 144/25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,2/3 x = 25/216 * 1/xx2 = 25/216 * 3/2 = 25/144 x = 5/12
Number System What should come in place of the question mark (?) in the following number series ? 888 888 444 148 ? 7.4 37 35 33 29 37 35 33 29 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 888 ÷ 1 = 888888 ÷ 2 = 444444 ÷ 3 = 148148 ÷ 4 = 3737 ÷ 5 = 7.4
Number System If the fractions 1/7, 3/5, 2/5, 5/6 and 9/11 are arranged in descending order of their values, which one will be the fourth number? 4/5 3/5 1/5 2/5 4/5 3/5 1/5 2/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1/4 = 14. 3/5 = 6.2/5 = 4.5/6 = 83.9/11 = 82.Therefore, 83 > 82 > 6 > 14
Number System If the sum of four consecutive numbers is 370, which the following is the third lowest number among them 90 89 91 92 90 89 91 92 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the four consecutive numbers be x, (x + 1), (x + 2), (x + 3) thenx + (x + 1) + (x + 2) + (x + 3) = 370= 4x + 6 = 370∴ x = 364/4 = 91∴ third lowest number among them = x + 1= 91 + 1 = 92
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