Number System In how many different ways can the letters of word "SENTENCE" be arranged ? 6460 3360 2360 3260 6460 3360 2360 3260 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 8!/3! 2! = 40320/12 = 3360
Number System 3√103820 x 3√274620 = ? 3035 3045 3055 3065 3035 3045 3055 3065 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3√103820 = 47 and 3√274620 = 65 ∴ ? = 47 x 65 = 3055
Number System In how many different ways can the letters of word "COLLEGE" be arranged ? 1240 1300 1280 1260 1240 1300 1280 1260 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 7!/2!2! = 1260(∵ L and E come twice)
Number System If HKUJ means FISH, what does UVCD mean ? STAK STAR STAM STAB STAK STAR STAM STAB ANSWER EXPLANATION DOWNLOAD EXAMIANS APP STAB
Number System ?2704 x ?2209=? 2444 1444 3444 4444 2444 1444 3444 4444 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2444
Number System A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is: 18 81 24 42 18 81 24 42 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's and unit's digit be x and 8/x respectively. Then, (10x + 8/x) + 18 = 10 * 8/x + x 9x2 + 18x - 72 = 0 x2 + 2x - 8 = 0 (x + 4)(x - 2) = 0 x = 2 So, ten's digit = 2 and unit's digit = 4. Hence, required number = 24.
EXAMIANS