Number System The difference between a number and its three-fifth is 50. What is the number? 100 75 None of these 125 100 75 None of these 125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x - 3/5 x = 50 => 2/5 x = 50x = (50 * 5)/2 = 125.
Number System A bag contains eighteen 25-paise coins, seventeen 50-paise coins, twentytwo one-rupee coins, nine 2-rupee coins and three 5-rupee coins. What is the total amount in the bag (Ans in rupees) ? Rs. 79 Rs. 68 Rs. 62 Rs. 74 Rs. 79 Rs. 68 Rs. 62 Rs. 74 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total = 18/7 + 17/2 + 22 + 9 x 2 + 3 x 5 = 4.5 + 8.5 + 22 + 18 + 15 = Rs 68
Number System If a number is subtracted from its square we get 272. Find the number? 17 24 14 22 17 24 14 22 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x2 – x = 272 => x =17
Number System 8988 / 8 / 4 = ? 4494 561.75 2247 280.875 4494 561.75 2247 280.875 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8988 * 1/8 * 1/4 = 2247/8 = 280.875
Number System 4/6 of 6/5 of 5/7 of a number is 96. Find the number. 162 164 170 168 162 164 170 168 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 4/6 x 6/5 x 5/7 = 96∴ x = 96 x 6 x 5 x 7/4 x 6 x 5 = 168
Number System In how many different ways can the letters of the word 'DETERMINE' be arranged ? 63480 62480 60480 61480 63480 62480 60480 61480 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of arrangements = 9! / 3! Because, E comes 3 times = 60480
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