SSC Government Jobs Exams Numerical Ability Area and Volume

The length of a rectangle is twice its breadth. If its length is decreased by 5 cm and breadth is increased by 5 cm, the area of the rectangle is increased by 75 sq.cm. What is the length of the rectangle?

Options
1) 18 cm
2) 16 cm
3) 40 cm
4) 20 cm

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SSC Other Question

In the first 10 overs of a cricket game, the run rate was only 3.2. What should be the run rate in the remaining 40 overs to reach the target of 282 runs?

Options
1) 6.25
2) 5.5
3) 7.4
4) 5 The process of heating an ore in the presence of
excess of air, below its melting point, is called ?
(A) roasting (B) calcination
(C) smelting (D) sublimation