Quantitative Aptitude - Arithmetic Ability Questions

If a+1a=2 then the vealue of a5+1a5 will be

The first and last terms of an arithmetic progression are 29 and -49. If the sum of the series is -140, then it has how many terms?

The value of 1+tan2∅(1-sin2∅) is

In what time will a 100 metre long train running with a speed of 50 km/hr cross a pillar?

If the loss of percent on article is 15%. Then the ratio of the cost price and sell price will be

The age of Rakhi is twelve times that of her daughter Anubha. If age of Anubha is 3 years now, then what was the age of Rakhi, 2 years earlier?

A man starts moving from a place A and reaches the place B in 26 hours. He covers 1/3rd of the distance at the speed of 4 km/hr and covers the remaining distance at the speed of 5 km/hr. What is the distance (in km) between A and B?

One diagonal of a rhombus is half the other. If the length of the side of the rhombus is 20 cm, what is the area of the rhombus?