Number System 9 3/4 + 7 2/17 - 9 1/15 = ? 9 817/1020 7 719/1020 9 719/1020 7 817/1020 9 817/1020 7 719/1020 9 719/1020 7 817/1020 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 What is the difference between the local values of 3 in the number 53403? 2997 3003 0 3030 2997 3003 0 3030 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3000 – 3 = 2997
Number System The product of two natural numbers is 17. Then, the sum of the reciprocals of their squares is: 289 289/290 290/289 1/289 289 289/290 290/289 1/289 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be a and b. Then,ab = 17, a = 1 and b = 17So, 1/a2 + 1/b2 = (a2 + b2)/a2 b2 = (12 + 172)/(1 * 17)2 = 290/289
Number System Find the greatest number which leaves the same remainder when it divides 25, 57 and 105. 8 18 16 12 8 18 16 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 105 - 57 = 4857 - 25 = 32105 - 25 = 80The H.C.F of 32, 48 and 80 is 16.
Number System In how many different ways can the letters of the word "MOBILIZE" be arranged ? 19765 17453 18456 20160 19765 17453 18456 20160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The word MOBILIZE has eight letters in which I comes twice ∴ Number of arrangements = 8!/2! = 20160
Number System A man engaged a servant on the condition that he would pay him Rs.710 and a uniform after a year service. He served only for 8 months and got Rs.460 and a uniform. Find the price of the uniform? Rs.20 Rs.25 Rs.40 Rs.30 Rs.20 Rs.25 Rs.40 Rs.30 ANSWER DOWNLOAD EXAMIANS APP
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