Number System 75% of 250 - ?% of 380 = 54.5 33 31 39 35 33 31 39 35 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 How many times the keys of a typewriter have to be pressed in order to write first 400 counting numbers? 1192 1082 1200 1092 1192 1082 1200 1092 ANSWER DOWNLOAD EXAMIANS APP
Number System What should come in place of (?) in the following series ? 10, 19, 30, 43, 58, ? 77 76 78 75 77 76 78 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The series is: +9, +11, +13, +15, +17
Number System 9 3/4 + 7 2/17 - 9 1/15 = ? 7 719/1020 7 817/1020 9 817/1020 9 719/1020 7 719/1020 7 817/1020 9 817/1020 9 719/1020 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given sum = 9 + 3/4 + 7 + 2/17 - (9 + 1/15)= (9 + 7 - 9) + (3/4 + 2/17 - 1/15)= 7 + (765 + 120 - 68)/1020 = 7 817/1020
Number System 6.4 x 8.5 x 25/3.2 x 12.5 = ? 3.4 2.3 4.5 5.6 3.4 2.3 4.5 5.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 6.4 x 8.5 x 2.5/3.2 x 12.5 = 3.4
Number System If R2 = S3 = K, where R, S and K are integers. Find the smallest positive integral value of K. (Greater than 1) 54 64 88 75 54 64 88 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 64
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