Number System On dividing number by 5, we get 3 as remainder. What will be the remainder when the square of this number is divided by 5? 2 4 0 1 2 4 0 1 ANSWER DOWNLOAD EXAMIANS APP
Number System If 4 2/3 is subtracted form 10 1/2 and the difference is multiplied by 450, then what is the final answer? 2675 None of these 2725 2875 2675 None of these 2725 2875 ANSWER DOWNLOAD EXAMIANS APP
Number System The cost of 87 pens and 29 pencils is `783. What is the cost of 90 pens and 30 pencils ? Rs. 810 Rs. 820 Rs. 830 Rs. 800 Rs. 810 Rs. 820 Rs. 830 Rs. 800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the price of a pen be 'x' and that of pencil be 'y' Then 87x + 29y = 783Multiplying eqn (i) by 30/29 we get (87x) x 30/29 + (29y) 30/29 = 783 x 30/29∴ 90x + 30y = 810
Number System If 35% of a number is 899.5, what is 68% of that number ? 1847.6 2247.6 1747.6 1547.6 1847.6 2247.6 1747.6 1547.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Suppose the number is x.Then 35% of x = 899.5∴ 68% of x = 68/35 x 899.5 = 1747.6
Number System If a number is multiplied by. three-fourth of itself, the value thus obtained is 10800. What is that number ? 180 120 60 260 180 120 60 260 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 3x/4 = 10800= x² = 10800 x 4/3 = 14400∴ x = √14400 = 120
Number System If the sum of four consecutive numbers is 370, which the following is the third lowest number among them 91 89 92 90 91 89 92 90 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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