Number System Complete the series : 1, 2, 3, 5, 8, 13 .... 4 7 1 9 4 7 1 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1
Number System The sum of the two numbers is 12 and their product is 35. What is the sum of the reciprocals of these numbers? 35/8 1/35 12/35 7/32 35/8 1/35 12/35 7/32 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be a and b. Then,a + b = 12 and ab = 35.(a + b)/ab = 12/35= (1/b + 1/a) = 12/35Sum of reciprocals of given numbers = 12/35.
Number System If (47)² is added to the square of a number the answer thus obtained is 2290. What is the number ? 10 7 9 8 10 7 9 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore, x² + (47)² = 2290Therefore, x² = 2290 - 2209 = 81Therefore, x = 9
Number System If 5/7 of a number is 145, what is 180% of that number ? 355.4 365.4 375.4 345.4 355.4 365.4 375.4 345.4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 5/7 = 145∴ x = 145 x 7/5 = 203Now, 203 x 180/100 = 365.4
Number System A canteen requires 17 dozen of eggs per week. How many eggs will it require from January 1 to February 11 ? 820 987 1224 525 820 987 1224 525 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of days from Jan 1 to Feb 11th= 31 + 11 = 42 days = 6 weeks∴ Total eggs =17 x 12 x 6 = 1224
Number System One-eighth of a number is 76. What will be 54% of the number ? 321.32 328.32 332.32 318.32 321.32 328.32 332.32 318.32 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore, 1/8 of x = 76Therefore, x = 60854% of 608 = 608 x 54/100 = 328.32
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