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. 74 Rs. 68 Rs. 62 Rs. 79 Rs. 74 Rs. 68 Rs. 62 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 2^(2x-1) = 8^(3-x), then the value of x is: 5 9 2 6 5 9 2 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
Number System How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together? 8 11 9 10 8 11 9 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (700 – 300)/42 = 9 22/42 => 9 Numbers
Number System The product of two consecutive odd numbers is 4623. What is the product of the next two consecutive odd numbers ? 6782 7745 8795 5183 6782 7745 8795 5183 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √4623 = 6767 x 69 = 4623∴ Required product = 71 x 73 = 5183
Number System Which is the largest fraction among the following ? 21/23 21/22 24/25 12/13 21/23 21/22 24/25 12/13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21/23 = 0.913,12/13 = 0.92323/25 = 0.92, 21/22 = 0.9545, 24/25 = 0.96
Number System 4550 ÷ 25% of ? = 130 140 135 130 125 140 135 130 125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4550 ÷ ? x 25/100 = 130= 4550 ÷ ?/4 = 130= 4550 x 4/? = 130= ? x 130 = 4550 x 4= ? = 4550 x 4/130 = 140