Number System (12)² - (4.4)² - (0.04)² = ? 129.6384 124.6384 131.6384 125.6384 129.6384 124.6384 131.6384 125.6384 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (12)² - (4.4)² - (0.04)²= 144 - 19.36 - 0.0016= 124.64 - 0.0016= 124.6384
Number System The sum of three consecutive even numbers is 252. What is the sum of the smallest and the largest numbers? 171 168 169 170 171 168 169 170 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 168
Number System If 70% of an equal to 40% of b, then ratio between a and b is? 7: 11 4: 7 None 7: 4 7: 11 4: 7 None 7: 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 70 a = 40 ba: b = 4: 7
Number System √343 = ? 19 20 21 18 19 20 21 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √343 = 18
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.100 Rs.90 Rs.80 Rs.85 Rs.100 Rs.90 Rs.80 Rs.85 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9/12 = 3/4 * 900 = 675 650 ------------- 251/4 -------- 251 --------- ? => Rs.100
Number System What is the sum of all the composite numbers up to 20? 128 130 132 131 128 130 132 131 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4 + 6 + 8 + 9 + 10 + 12 + 14 + 15 + 16 + 18 = 132
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