Number System What should come in place of the question mark (?) in the following number series ? 888 888 444 148 ? 7.4 37 33 35 29 37 33 35 29 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 888 ÷ 1 = 888888 ÷ 2 = 444444 ÷ 3 = 148148 ÷ 4 = 3737 ÷ 5 = 7.4
Number System How many numbers up to 100 and 300 are divisible by 11? 22 20 18 21 22 20 18 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (300 – 100)/11 = 200/11 = 18 2/1118 Numbers
Number System When (21)² is subtracted from the square of a number the answer obtained is 1584. What is the number ? 55 65 35 45 55 65 35 45 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.According to the question,x² - (21)² = 1584= x² - 441 = 1584 = x² = 1584 + 441 = 2025∴ x = √2025 = 45
Number System Of an amount, 20% of 25% of 30% is Rs 75. Then what is the original amount ? Rs. 3000 Rs. 4000 Rs. 2000 Rs. 5000 Rs. 3000 Rs. 4000 Rs. 2000 Rs. 5000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the amount be x.∴ X x 20/100 x 25/100 x 30/100 = 75∴ X = 75 x 5 x 4 x 10/3 = 5000
Number System 64% of 2650+40% 0f 320=? 1247 1824 2096 1578 1247 1824 2096 1578 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1824
Number System In how many different ways can the letters of the word "MOBILIZE" be arranged ? 20160 17453 19765 18456 20160 17453 19765 18456 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The word MOBILIZE has eight letters in which I comes twice ∴ Number of arrangements = 8!/2! = 20160