Number System (12.11)2 + (?)2 = 732.2921 17.2 24.2 14.2 20.2 17.2 24.2 14.2 20.2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 24.2
Number System How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together? 8 9 10 11 8 9 10 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (700 – 300)/42 = 9 22/42 => 9 Numbers
Number System 0.333 .... × 0.444 .... is equal to 0.148148148 .... 1.333 .... 0.777 .... 0.121212 .... 0.148148148 .... 1.333 .... 0.777 .... 0.121212 .... ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.148148148 ....
Number System A, B, C, D and E are consecutive even numbers respectively. The average of 5 numbers is 82. What is the product of C and E ? 6373 6353 6363 6383 6373 6353 6363 6383 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + x + 1 + x + 2 + x + 3 + x + 4 = 5 x 82= 5x + 10 = 410 = 5x = 400= x = 400/5 = 80 ∴ A = 80C = 82and E = 84= C x E = 82 x 84 = 6383
Number System The square root of 3 + “5 is : “5 /2 - 1/”2 “3 /2 + 1/”2 “(5/2) + “(1/2) “3 /2 - 1/”2 “5 /2 - 1/”2 “3 /2 + 1/”2 “(5/2) + “(1/2) “3 /2 - 1/”2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP “(5/2) + “(1/2)
Number System A trader sells 40 metres of cloth for Rs 8,200 at a profit of Rs 25 per metre of cloth. How much profit will the trader earn on 40 metres of cloth ? Rs. 600 Rs. 800 Rs. 1,000 Rs. 1,200 Rs. 600 Rs. 800 Rs. 1,000 Rs. 1,200 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP S.P. per metre = 8200/40 = Rs. 205∴ C.P. per metre = Rs. (205 - 25) = Rs. 180∴ C.P. of 40 metre cloth= Rs. (40 x 180) = Rs. 7200∴ Gain = Rs. (8200 - 7200) = Rs. 1000
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