Number System The square root of 3 + “5 is : “3 /2 + 1/”2 “(5/2) + “(1/2) “3 /2 - 1/”2 “5 /2 - 1/”2 “3 /2 + 1/”2 “(5/2) + “(1/2) “3 /2 - 1/”2 “5 /2 - 1/”2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP “(5/2) + “(1/2)
Number System Which choice provides the answer in the following : If 2 * 3 = 36, 5 * 4 = 400, 6 * 2 = 144, 3 * 3 = 81; then, 5 * 5 = ? 625 525 425 325 625 525 425 325 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 625
Number System 65 x 288 ÷ 52 = 1.8 x ? 180 200 210 190 180 200 210 190 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 65x288/52x1.8 = 200
Number System In how many different ways can the letters of word 'BIOLOGY' be arranged ? 2520 2410 2678 2367 2520 2410 2678 2367 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In BIOLOGY total 7 letters are there but O comes twice.∴ Number of arrangements = 7!/2! = 2520
Number System Find the least value of 3x + 4y if x2y3 = 6. 7 6 10 3 7 6 10 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 10
Number System On dividing number by 56, we get 29 as remainder. On dividing the same number by 8, what will be the remainder? 6 7 5 4 6 7 5 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let x be the number and y be the quotient. Then, x = 357 * y + 39= (17 * 21 * y) + (17 * 2) + 5= 17 * (21y + 2) + 5.Required remainder = 5.