Number System The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is: 20 None of these 40 30 20 None of these 40 30 ANSWER DOWNLOAD EXAMIANS APP
Number System Find the nearest to 25268 which is exactly divisible by 467? 25228 25308 25208 25218 25228 25308 25208 25218 ANSWER DOWNLOAD EXAMIANS APP
Number System What should come in place of the question mark (?) in the following number series ? 888 888 444 148 ? 7.4 33 29 35 37 33 29 35 37 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 888 ÷ 1 = 888888 ÷ 2 = 444444 ÷ 3 = 148148 ÷ 4 = 3737 ÷ 5 = 7.4
Number System 6.4 x 8.5 x 25/3.2 x 12.5 = ? 5.6 3.4 2.3 4.5 5.6 3.4 2.3 4.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 6.4 x 8.5 x 2.5/3.2 x 12.5 = 3.4
Number System The number of prime factors of (6)10×(7)17×(55)27 41 61 91 101 41 61 91 101 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 91
Number System In how many different ways can the letters of word 'BIOLOGY' be arranged ? 2410 2520 2367 2678 2410 2520 2367 2678 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In BIOLOGY total 7 letters are there but O comes twice.∴ Number of arrangements = 7!/2! = 2520
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