Number System 65 x 288 ÷ 52 = 1.8 x ? 210 200 180 190 210 200 180 190 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 65x288/52x1.8 = 200
Number System If the numberator of a fraction is increased by 50% and denominator by 20% the fraction become 9/15. What was the original fraction ? 6/7 12/25 3/5 13/25 6/7 12/25 3/5 13/25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the fraction be x/yWe have 150x/120y = 9/15= x/y = 12/25
Number System 0.333 .... × 0.444 .... is equal to 0.777 .... 0.121212 .... 0.148148148 .... 1.333 .... 0.777 .... 0.121212 .... 0.148148148 .... 1.333 .... ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.148148148 ....
Number System What should come in place of the question mark (?) in the following number series ? 888 888 444 148 ? 7.4 35 29 33 37 35 29 33 37 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 888 ÷ 1 = 888888 ÷ 2 = 444444 ÷ 3 = 148148 ÷ 4 = 3737 ÷ 5 = 7.4
Number System 75% of 250 - ?% of 380 = 54.5 35 33 39 31 35 33 39 31 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 The difference between a number and its three-fifth is 50. What is the number? 125 100 None of these 75 125 100 None of these 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x - 3/5 x = 50 => 2/5 x = 50x = (50 * 5)/2 = 125.
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