Number System On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is: 48619 47619 47719 47649 48619 47619 47719 47649 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP By hit and trail, we find that47619 * 7 = 333333.7) 333333 (47619 333333---------------- 0
Number System How many numbers up to 200 are divisible by 2 and 3 both? 33 35 29 27 33 35 29 27 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 200/6 = 33 2/6 => 33 Numbers
Number System If R2 = S3 = K, where R, S and K are integers. Find the smallest positive integral value of K. (Greater than 1) 64 54 75 88 64 54 75 88 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 64
Number System Sum of two consecutive even terms lacks by 98 from their product. Find the sum of these number 18 32 24 None 18 32 24 None ANSWER DOWNLOAD EXAMIANS APP
Number System 20% of the total number of students in a school play football. How many students do not play football if the total number of students in the school is 7600 ? 6080 5976 6000 5800 6080 5976 6000 5800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 20% of 7600 = 1520Therefore, students who do not play football = 7600 - 1520 = 6080
Number System (√6 + 1)² = ? + 2√6 5 6 7 8 5 6 7 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (√6 + 1)² - 2√6= (√6)² + 2 x √6 + 1 + 1² - 2√6= 6 + 2√6 + 1 - 2√6 = 6 + 1 = 7
EXAMIANS