Number System What is the average of the following set of numbers ? 173, 192, 198, 204, 211, 223, 227 234 222 204 210 234 222 204 210 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Avg = 173 + 192 + 198 + 204 + 211 + 223 + 227/7 = 1428/7 = 204
Number System How many numbers up to 100 are divisible by 7? 107 93 14 100 107 93 14 100 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 100/7 = 14 2/7 => 14 Numbers
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. 1,000 Rs. 800 Rs. 600 Rs. 1,200 Rs. 1,000 Rs. 800 Rs. 600 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
Number System 2/11 of 3/7 of 8/13 of 12012 = ? 576 241 449 321 576 241 449 321 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 2 x 3 x 8 x 12012/11 x 7 x 13 = 576
Number System In how many different ways can the letters of the word TEST' be arranged ? 10 16 12 8 10 16 12 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The word TEST consists of 4 letters in which T comes twice ∴ Number of arrangements= 4!/2! = 4 x 3 x 2 x 1/2 x 1 = 12
Number System What is the difference between the local values of 3 in the number 53403? 2997 0 3030 3003 2997 0 3030 3003 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3000 – 3 = 2997
EXAMIANS