Number System On dividing a number by 68, we get 269 as quotient and 0 as remainder. On dividing the same number by 67, what will be the remainder? 0 3 1 2 0 3 1 2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number = 269 * 68 + 0 = 1829267) 18292 (273 18291 -------- 1Required number = 1.
Number System Find the least number which when divided by 35 and 11 leaves a remainder of 1 in each case. 391 388 386 384 391 388 386 384 ANSWER DOWNLOAD EXAMIANS APP
Number System What is the least number that should be added to 5200 to make it a perfect square ? 275 225 129 288 275 225 129 288 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP We sec (73)² = 5329 and (72)² = 5184ie 5329 > 5200 > 5184So 129 should be added to make is perfect square.
Number System 7589 - ? = 3434 4155 11023 1123 4242 4155 11023 1123 4242 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 7589 - x = 3434Then x = 7589 - 3434 = 4155
Number System The cost of 87 pens and 29 pencils is `783. What is the cost of 90 pens and 30 pencils ? Rs. 800 Rs. 820 Rs. 810 Rs. 830 Rs. 800 Rs. 820 Rs. 810 Rs. 830 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the price of a pen be 'x' and that of pencil be 'y' Then 87x + 29y = 783Multiplying eqn (i) by 30/29 we get (87x) x 30/29 + (29y) 30/29 = 783 x 30/29∴ 90x + 30y = 810
Number System In how many different ways can the letters of the word CORPORATION be arranged ? 2326400 1326400 3326400 None of these 2326400 1326400 3326400 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP CORPORATION = 11 letters 'O' comes thrice,'R' twice.∴ total no. of ways = 111/3121 = 3326400
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