Quantitative Aptitude - Arithmetic Ability Questions

What is the value of (tan45° + 1/√2) ?

A, B and C can complete a work in 20, 24 and 30 days respectively. All three of them starts together but after 4 days A leaves the job and B left the job 6days before the work was completed. C completed the remaining work alone. In how many days was the total work completed?

Three runners A,B and C run a race, with runner A finishing 12 meters ahead of runner B and 18 meters ahead of runner C, while runner B finishes 8 meters ahead of runner C. Each runner travels the entire distance at a constant speed. The length of the race is

A thief is stopped by a policeman from a distance of 350 metres. When the policeman starts the chase, the thief also starts running. Assuming the speed of the thief as 7 km/h and that of police man as 12 km/h, how far the thief would have run, before he is over taken?

What is the value of Cot 45° + Cosec 60°?

What is the equation of the line perpendicular to the line 5x + 3y = 6 and having Y-intercept -3?

A shopkeeper marks up his wares by 60% and offers 25% discount. What will be the selling price (in Rs) if the cost price is Rs 1600?

ΔPQR is right angled at Q. If m∠R = 45°, then find the value of (tanP - 1/2).