RRB Government Jobs Exams

Evaluate the expression
(a + b)/(a - b)
for a = 4 and b = 2.

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RRB Other Question

Malek drove for 2 hours then stopped for a break. After that, he drove for 3 hours at a speed 10 miles per hour (mph) more than the speed before the break. The total distance he drove was 280 miles. What was Malek speed before the break? Solve and identify each equation as a conditional equation, an inconsistent equation
or an identity. Explain your answer.
2x + 3 = 2(x + 1)