Quantitative Aptitude - Arithmetic Ability Questions

Of the 5 numbers whose average is 76, the first is 3/7 times the sum of other 4. The first number is

If a wholesaler, sells a box of chocolates at Rs 960 he gains 20%. Now if he decides to sell it at Rs 1120, what is his profit percentage?

If 10% loss is made on selling price, then the rate of loss on the cost price will be

The average weight of Shivshankar, Gopesh and Reena is 97 kg. If the average weight of Shivshankar and Gopesh is 93 kg and that of Gopesh and Reena is 82 kg, then the weight of Gopesh is

If sinθ+cosecθ=2, the value of sinnθ+cosecnθ is

What is the value of (1/√2) Cot 45° + (1/√3) Cosec 60°?

A train is moving at the speed of 72 km/hr. How many seconds will it take to cover a distance of 1400 m ?