SSC Government Jobs Exams Numerical Ability Arithmetic

A rectangular field has to be fenced on three sides leaving a side of 20 feet uncovered. If the area of the field is 680 sq. feet, how many feet of fencing will be required?


Options
1) 95
2) 92
3) 88
4) 82

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SSC Other Question
An element with atomic number 19 will most
likely combine with the element whose atomic
number is -
(A) 17 (B) 11
(C) 18 (D) 20 The ratio of two numbers is 4 : 5. If the HCF of these numbers is 6, what is their LCM?


Options
1) 30
2) 60
3) 90
4) 120