Number System Let R = qs—4. When s=8, R=16. When s=10, R is equal to 23 21 20 22 23 21 20 22 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
Number System A man engaged a servant on the condition that he would pay him Rs.900 and a uniform after one year service. He served only for 9 months and received uniform and Rs.650, find the price of the uniform? Rs.85 Rs.90 Rs.100 Rs.80 Rs.85 Rs.90 Rs.100 Rs.80 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9/12 = 3/4 * 900 = 675 650 ------------- 251/4 -------- 251 --------- ? => Rs.100
Number System The cost of 87 pens and 29 pencils is `783. What is the cost of 90 pens and 30 pencils ? Rs. 820 Rs. 800 Rs. 830 Rs. 810 Rs. 820 Rs. 800 Rs. 830 Rs. 810 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 Two numbers have a H.C.F of 16 and a product of two numbers is 2560. Find the L.C.M of the two numbers? 140 150 170 160 140 150 170 160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP L.C.M of two numbers is given by(Product of the two numbers) / (H.C.F of the two numbers) = 2560/16 = 160.
Number System Find the nearest to 25268 which is exactly divisible by 467? 25218 25208 25308 25228 25218 25208 25308 25228 ANSWER DOWNLOAD EXAMIANS APP
Number System If the sum of four consecutive numbers is 370, which the following is the third lowest number among them 91 92 90 89 91 92 90 89 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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