Quantitative Aptitude - Arithmetic Ability Questions

A can do a work in 8 days, B can do the same work in 10 days and C can do the same work in 12 days. If all three of them do the same work together and they are paid Rs 7400, then what is the share (in Rs) of B?

If a : b = c : d = 1 : 6, then what is the value of a2+c2b2+d2?

The simple interest on Rs. 2000 for 2 years at Rs. 75 per thousand per annum will be

In what time will a train, 60 metres long, running at the rate of 36 km/hr pass a telegraph post?

To travel 660 km, an Express train takes 10 hours more than Rajdhani. If however, the speed of the Express train is doubled, it takes 7 hours less than Rajdhani. The speed of Rajdhani is

A trader had 630 kgs of rice. He sold a part of it at 15% profit and the rest at 8% profit, so that he made a total profit of 12%. How much rice (in kgs) did he sell at 8% profit?

If Cosec θ = 17/8, then what is the value of Cos θ?

How many times in a week does both the hands of the clock will coincide with each other?