Number System If one-seventh of a number is 55 then 40% of that number = ? 163 154 171 147 163 154 171 147 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x , Therefore, x/7 = 55Therefore, x = 55 x 7 = 385Therefore, 49% of 385 = 154
Number System If three eighth of a number is 141. What will be the approximately value of 32.08% of this number? 60 120 160 90 60 120 160 90 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 3/8 = 141 => x= 376376 * 32.08/100 = 120
Number System 5358 * 51 = ? 273258 273358 273268 273348 273258 273358 273268 273348 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5358 * 51 = 5358 * (50 + 1) = 5358 * 50 + 5358 * 1= 267900 + 5358 = 273258
Number System In how many different ways can the letters of the word 'DETERMINE' be arranged ? 62480 61480 63480 60480 62480 61480 63480 60480 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of arrangements = 9! / 3! Because, E comes 3 times = 60480
Number System Let R = qs—4. When s=8, R=16. When s=10, R is equal to 20 23 21 22 20 23 21 22 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
Number System A trader sells 40 metres of cloth for Rs 8,200 at a profit of Rs 25 per metre of cloth. How much profit will the trader earn on 40 metres of cloth ? Rs. 800 Rs. 1,200 Rs. 600 Rs. 1,000 Rs. 800 Rs. 1,200 Rs. 600 Rs. 1,000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP S.P. per metre = 8200/40 = Rs. 205∴ C.P. per metre = Rs. (205 - 25) = Rs. 180∴ C.P. of 40 metre cloth= Rs. (40 x 180) = Rs. 7200∴ Gain = Rs. (8200 - 7200) = Rs. 1000
EXAMIANS