Number System (12.04 x 7.5 + 0.8 x 45) ÷ 3 = ? 54.7 45 42.1 42.6 54.7 45 42.1 42.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (90.3 + 36) ÷ 3 = 126.3/3 = 42.1
Number System The difference between 8% of a number and 3% of the same number is 39. What is 2.8% of that number ? 24.84 21.84 25.84 27.84 24.84 21.84 25.84 27.84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x(8 - 3)% = 39x = 3900/5 = 780∴ 2.8% of 780= 780 x 2.8/100 = 21.84
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. 62 Rs. 68 Rs. 74 Rs. 79 Rs. 62 Rs. 68 Rs. 74 Rs. 79 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 A man engaged a servant on the condition that he would pay him Rs.900 and a uniform after one year service. He served only for 9 months and received uniform and Rs.650, find the price of the uniform? Rs.80 Rs.100 Rs.85 Rs.90 Rs.80 Rs.100 Rs.85 Rs.90 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9/12 = 3/4 * 900 = 675 650 ------------- 251/4 -------- 251 --------- ? => Rs.100
Number System 4500 * ? = 3375 3/4 1/4 2/5 3/5 3/4 1/4 2/5 3/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4500 * x = 3375= x = 3375/4500 = 3/4
Number System Which one of the following represents the sum of the first n even numbers? N(N + 1) N(N – 1) N2+ 1 N2 N(N + 1) N(N – 1) N2+ 1 N2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP N (N + 1)
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