Number System If 1.5 x= 0.04 y, then the value of (y-x) (y+x) is: 73/77 77/73 83/77 93/77 73/77 77/73 83/77 93/77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 73/77
Number System How many numbers up to 200 are divisible by 2 and 3 both? 29 27 35 33 29 27 35 33 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 200/6 = 33 2/6 => 33 Numbers
Number System In how many different ways can the letters of the word CORPORATION be arranged ? 3326400 2326400 1326400 None of these 3326400 2326400 1326400 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP CORPORATION = 11 letters 'O' comes thrice,'R' twice.∴ total no. of ways = 111/3121 = 3326400
Number System What is the sum of all the numbers between 300 and 1000 which are divisible by 179? 2527 2506 2607 2517 2527 2506 2607 2517 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 358/179 ….. 895/179179(2 + 3 + 4 + 5) => 2506
Number System The sum of the two numbers is 12 and their product is 35. What is the sum of the reciprocals of these numbers? 35/8 1/35 7/32 12/35 35/8 1/35 7/32 12/35 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be a and b. Then,a + b = 12 and ab = 35.(a + b)/ab = 12/35= (1/b + 1/a) = 12/35Sum of reciprocals of given numbers = 12/35.
Number System 65% of 320+?=686 478 481 479 480 478 481 479 480 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65% of 320+?=686 208+?=686?=686-208?=478
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